World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Electronics and Electrical Engineering 69 983 23 82 10831

Raffi Codilian publications per year

The chart shows the history of publications by Raffi Codilian between 1995 and 2010, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Raffi Codilian published across 16 years, from 1995 to 2010, averaging 5.5 papers a year. Output peaked at 24 publications in 2001. 1 of the 88 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1995 to 2010. Vertical axis: number of publications, 0 to 24. Peak 24 publications in 2001. 1995: 1 publication 1996: 2 publications 1997: 2 publications 1998: 4 publications 1999: 3 publications 2000: 12 publications 2001: 24 publications 2002: 21 publications 2003: 9 publications 2004: 7 publications 2005: 1 publication 2006: 0 publications 2007: 0 publications 2008: 1 publication 2009: 0 publications 2010: 1 publication
1995 2010

88 publications in total across all disciplines

View publications per year as a table
Raffi Codilian: publications per year, 1995 to 2010
Year Publications
1995 1
1996 2
1997 2
1998 4
1999 3
2000 12
2001 24
2002 21
2003 9
2004 7
2005 1
2006 0
2007 0
2008 1
2009 0
2010 1
Total 88
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Raffi Codilian publication distribution in Electronics and Electrical Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Electronics and Electrical Engineering in 2026. The highlighted bar marks where Raffi Codilian sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 53 bars. Horizontal axis: publications, 34–53 to 1,065+. Vertical axis: number of scientists, 0 to 445. Most scientists, 445, have 174–193 publications. The last bar groups every scientist with 1,065 publications or more. The highlighted bar, 74–93 publications, is where this scientist sits. 34–53 publications: 24 scientists 54–73 publications: 52 scientists 74–93 publications: 114 scientists 94–113 publications: 203 scientists 114–133 publications: 269 scientists 134–153 publications: 355 scientists 154–173 publications: 403 scientists 174–193 publications: 445 scientists 194–213 publications: 430 scientists 214–233 publications: 431 scientists 234–253 publications: 399 scientists 254–273 publications: 366 scientists 274–293 publications: 335 scientists 294–313 publications: 300 scientists 314–333 publications: 276 scientists 334–353 publications: 250 scientists 354–373 publications: 214 scientists 374–393 publications: 187 scientists 394–413 publications: 152 scientists 414–433 publications: 169 scientists 434–453 publications: 147 scientists 454–473 publications: 111 scientists 474–493 publications: 117 scientists 494–513 publications: 103 scientists 514–533 publications: 99 scientists 534–553 publications: 92 scientists 554–573 publications: 75 scientists 574–593 publications: 58 scientists 594–613 publications: 69 scientists 614–633 publications: 50 scientists 634–653 publications: 62 scientists 654–673 publications: 54 scientists 674–693 publications: 44 scientists 694–713 publications: 37 scientists 714–733 publications: 28 scientists 734–753 publications: 26 scientists 754–773 publications: 26 scientists 774–793 publications: 19 scientists 794–813 publications: 23 scientists 814–833 publications: 20 scientists 834–853 publications: 16 scientists 854–873 publications: 20 scientists 874–893 publications: 11 scientists 894–913 publications: 11 scientists 914–933 publications: 16 scientists 934–953 publications: 13 scientists 954–973 publications: 10 scientists 974–993 publications: 11 scientists 994–1,013 publications: 9 scientists 1,014–1,033 publications: 9 scientists 1,034–1,053 publications: 10 scientists 1,054–1,064 publications: 6 scientists 1,065+ publications: 99 scientists
34–53 publications 1,065+

This scientist: 82 publications — 2nd percentile

2% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,065 publications or more.

View publications distribution as a table
Number of Electronics and Electrical Engineering scientists by publication count, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
Publications Scientists This scientist
34–53 24
54–73 52
74–93 114 82
94–113 203
114–133 269
134–153 355
154–173 403
174–193 445
194–213 430
214–233 431
234–253 399
254–273 366
274–293 335
294–313 300
314–333 276
334–353 250
354–373 214
374–393 187
394–413 152
414–433 169
434–453 147
454–473 111
474–493 117
494–513 103
514–533 99
534–553 92
554–573 75
574–593 58
594–613 69
614–633 50
634–653 62
654–673 54
674–693 44
694–713 37
714–733 28
734–753 26
754–773 26
774–793 19
794–813 23
814–833 20
834–853 16
854–873 20
874–893 11
894–913 11
914–933 16
934–953 13
954–973 10
974–993 11
994–1,013 9
1,014–1,033 9
1,034–1,053 10
1,054–1,064 6
1,065+ 99
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Raffi Codilian D-index placement in Electronics and Electrical Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Electronics and Electrical Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Raffi Codilian sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 82 bars. Horizontal axis: D-Index, 30 to 111+. Vertical axis: number of scientists, 0 to 263. Most scientists, 263, have 32 D-Index. The last bar groups every scientist with 111 D-Index or more. The highlighted bar, 69 D-Index, is where this scientist sits. 30 D-Index: 178 scientists 31 D-Index: 257 scientists 32 D-Index: 263 scientists 33 D-Index: 262 scientists 34 D-Index: 244 scientists 35 D-Index: 236 scientists 36 D-Index: 211 scientists 37 D-Index: 220 scientists 38 D-Index: 214 scientists 39 D-Index: 214 scientists 40 D-Index: 205 scientists 41 D-Index: 187 scientists 42 D-Index: 194 scientists 43 D-Index: 201 scientists 44 D-Index: 155 scientists 45 D-Index: 189 scientists 46 D-Index: 148 scientists 47 D-Index: 160 scientists 48 D-Index: 134 scientists 49 D-Index: 130 scientists 50 D-Index: 141 scientists 51 D-Index: 156 scientists 52 D-Index: 108 scientists 53 D-Index: 130 scientists 54 D-Index: 112 scientists 55 D-Index: 97 scientists 56 D-Index: 111 scientists 57 D-Index: 102 scientists 58 D-Index: 108 scientists 59 D-Index: 120 scientists 60 D-Index: 103 scientists 61 D-Index: 93 scientists 62 D-Index: 92 scientists 63 D-Index: 74 scientists 64 D-Index: 77 scientists 65 D-Index: 73 scientists 66 D-Index: 64 scientists 67 D-Index: 69 scientists 68 D-Index: 60 scientists 69 D-Index: 39 scientists 70 D-Index: 57 scientists 71 D-Index: 59 scientists 72 D-Index: 46 scientists 73 D-Index: 49 scientists 74 D-Index: 38 scientists 75 D-Index: 35 scientists 76 D-Index: 32 scientists 77 D-Index: 35 scientists 78 D-Index: 31 scientists 79 D-Index: 22 scientists 80 D-Index: 34 scientists 81 D-Index: 31 scientists 82 D-Index: 34 scientists 83 D-Index: 23 scientists 84 D-Index: 18 scientists 85 D-Index: 30 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 20 scientists 89 D-Index: 8 scientists 90 D-Index: 17 scientists 91 D-Index: 7 scientists 92 D-Index: 14 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 12 scientists 97 D-Index: 10 scientists 98 D-Index: 10 scientists 99 D-Index: 12 scientists 100 D-Index: 16 scientists 101 D-Index: 5 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 8 scientists 105 D-Index: 9 scientists 106 D-Index: 13 scientists 107 D-Index: 4 scientists 108 D-Index: 5 scientists 109 D-Index: 10 scientists 110 D-Index: 8 scientists 111+ D-Index: 96 scientists
30 D-Index 111+

This scientist: 69 D-Index — 86th percentile

86% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 111 D-Index or more.

View D-Index distribution as a table
Number of Electronics and Electrical Engineering scientists by D-index, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
D-Index Scientists This scientist
30 178
31 257
32 263
33 262
34 244
35 236
36 211
37 220
38 214
39 214
40 205
41 187
42 194
43 201
44 155
45 189
46 148
47 160
48 134
49 130
50 141
51 156
52 108
53 130
54 112
55 97
56 111
57 102
58 108
59 120
60 103
61 93
62 92
63 74
64 77
65 73
66 64
67 69
68 60
69 39 69
70 57
71 59
72 46
73 49
74 38
75 35
76 32
77 35
78 31
79 22
80 34
81 31
82 34
83 23
84 18
85 30
86 19
87 19
88 20
89 8
90 17
91 7
92 14
93 9
94 15
95 10
96 12
97 10
98 10
99 12
100 16
101 5
102 7
103 7
104 8
105 9
106 13
107 4
108 5
109 10
110 8
111+ 96
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Overview

What is he best known for?

The fields of study he is best known for:

  • Electrical engineering
  • Operating system
  • Mechanical engineering

His primary areas of study are Computer hardware, Track, Control theory, Servo and Vibration. His Data transmission study, which is part of a larger body of work in Computer hardware, is frequently linked to Network block device, bridging the gap between disciplines. His work deals with themes such as Window and Disk controller, which intersect with Track.

His Control theory research is multidisciplinary, incorporating perspectives in Host and Computer data storage. His Servo study integrates concerns from other disciplines, such as Acoustics, Hard disk drive performance characteristics, Head and Pitch tracking. The various areas that he examines in his Vibration study include Servo drive, Latency and Access time.

His most cited work include:

  • Disk drive with calibration bursts that are recorded on a spiral and method of recording the same (193 citations)
  • Method for setting a power operating mode transition interval of a disk drive in a mobile device based on application category (169 citations)
  • Disk drive for optimizing write current settings relative to drive operating characteristics and ambient temperature readings (168 citations)

What are the main themes of his work throughout his whole career to date?

His scientific interests lie mostly in Control theory, Servo, Computer hardware, Track and Acoustics. Raffi Codilian has researched Control theory in several fields, including Transducer, Head and Electromagnetic coil. His research integrates issues of Rotary actuator and Stack in his study of Head.

His Wedge research extends to Servo, which is thematically connected. His Computer hardware research focuses on subjects like Mobile device, which are linked to Terminal. His studies deal with areas such as Hard disk drive performance characteristics, Spiral, Computer data storage and Data loss as well as Track.

He most often published in these fields:

  • Control theory (53.93%)
  • Servo (31.46%)
  • Computer hardware (30.34%)

What were the highlights of his more recent work (between 2002-2010)?

  • Control theory (53.93%)
  • Computer hardware (30.34%)
  • Track (29.21%)

In recent papers he was focusing on the following fields of study:

His main research concerns Control theory, Computer hardware, Track, Acoustics and Disk controller. His studies in Control theory integrate themes in fields like Mechanical engineering, Latency, Access time and Electromagnetic coil. His study in the field of Microprocessor is also linked to topics like Spins.

His Track study combines topics from a wide range of disciplines, such as Disk formatting, Disk array controller, Logical disk, Disk sector and Disk mirroring. His research on Acoustics frequently links to adjacent areas such as Servo. In general Servo, his work in Position error signal is often linked to Value linking many areas of study.

Between 2002 and 2010, his most popular works were:

  • Disk drive performing multi-level prioritization of entries in a suspect sector list to identify and relocate defective data sectors (133 citations)
  • Disk drive employing a modified rotational position optimization algorithm to account for external vibrations (130 citations)
  • Method of manufacturing and disk drive produced by measuring the read and write widths and varying the track pitch in the servo-writer (128 citations)

In his most recent research, the most cited papers focused on:

  • Electrical engineering
  • Operating system
  • Mechanical engineering

His primary scientific interests are in Track, Computer hardware, Head, Disk controller and Real-time computing. His Track study integrates concerns from other disciplines, such as Disk array controller, Disk mirroring and Disk sector. His Head research incorporates elements of Acoustics, Hard disk drive performance characteristics, Servo and Pitch tracking.

His research in the fields of Logical disk overlaps with other disciplines such as Prioritization and Suspect. His work on Real-time computing is being expanded to include thematically relevant topics such as Data segment.

Best Publications

  • Disk drive with calibration bursts that are recorded on a spiral and method of recording the same

    Raffi Codilian;Timothy Elliott

  • Method for setting a power operating mode transition interval of a disk drive in a mobile device based on application category

    Raffi Codilian;Anil Sareen;Thomas D. Hanan

  • Disk drive for optimizing write current settings relative to drive operating characteristics and ambient temperature readings

    Raffi Codilian;Iftikhar A. Baqai

  • Method for predictive power management for operating a disk drive in a mobile device to optimize power usage

    Raffi Codilian;Anil Sareen

  • Dependently adjusting at least three operating levels of a disk drive by dependently adjusting a plurality of disk drive parameters

    Raffi Codilian;Jonathan L. Hanmann

  • Disk drive employing spindle motor commutation time variation for reducing acoustic noise

    Timothy A. Ferris;Raffi Codilian

  • Method of operating a disk drive for writing to an addressable location after detecting that a head is within a safe-to-write window

    Ara W. Nazarian;Raffi Codilian

  • Method and disk drive for shock estimation and write termination control

    Raffi Codilian

  • Disk drive performing multi-level prioritization of entries in a suspect sector list to identify and relocate defective data sectors

    Raffi Codilian;Dalwinder Singh

  • Disk drive employing method of spinning down its spindle motor to reduce the time required for spinning it down and subsequently spinning it up

    Raffi Codilian;Steven Nemshick;Robert P. Ryan

  • Method and apparatus for RRO learning before and after shipping to cancel RRO in a disk drive

    Raffi Codilian;Hanan Kupferman;Yoo H. Kim

  • Method of manufacturing and disk drive produced by measuring the read and write widths and varying the track pitch in the servo-writer

    Raffi Codilian;William D. Johns;Charles A. Park;David D. Nguyen

  • Disk drive employing a modified rotational position optimization algorithm to account for external vibrations

    Raffi Codilian;Mark F. Vallis

  • Adaptively modifying a read caching algorithm based upon the detection of a vibration state within a rotating media storage device

    Raffi Codilian;Steven L. Webb

  • Vibration cancellation in a disk drive by using an acceleration sensor and adaptively adjusting its gain to minimize external acceleration effects

    Aswartha Narayana;Raffi Codilian;Lan V. Ngo

  • Adaptively estimating a read access time to a second track based upon the binned radial position of the second track within a rotating media storage device

    Raffi Codilian;Gregory B. Thelin

  • Disk drive with staggered calibration bursts that are disposably located in data regions and method of using the same for calibrating a read head

    Raffi Codilian;Ara W. Nazarian;Brian Tanner

  • Disk drive capable of autonomously evaluating and adapting the frequency response of its servo control system

    Raffi Codilian;Edgar De-Jia Sheh;Jie Yu

  • Method for reducing an effect of vibration on a disk drive during a track following operation by adjusting an adaptive-filter gain applied to an acceleration sensor signal

    Raffi Codilian;Aswartha Narayana;Lan V. Ngo

  • Disk drive employing method of spinning down its spindle motor to reduce the time required for subsequently spinning it up

    Raffi Codilian;Terry C. Dawson;Carl R. Messenger;Steven Nemshick

  • Method and apparatus for RRO learning on alternate tracks before and after shipping to cancel RRO in a disk drive

    Raffi Codilian;Donald R. Turner

Frequent Co-Authors

Kamran Oveyssi
Kamran Oveyssi Western Digital (Japan)
Robert P. Ryan
Robert P. Ryan Western Digital (Japan)
George J. Bennett
George J. Bennett Optimal Motion

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