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Ryuichi Iwamura

Ryuichi Iwamura

D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Engineering and Technology 32 9555 217 79 4709

Ryuichi Iwamura publications per year

The chart shows the history of publications by Ryuichi Iwamura between 1992 and 2012, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ryuichi Iwamura published across 21 years, from 1992 to 2012, averaging 4.4 papers a year. Output peaked at 20 publications in 2006. 2 of the 92 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1992 to 2012. Vertical axis: number of publications, 0 to 20. Peak 20 publications in 2006. 1992: 4 publications 1993: 0 publications 1994: 3 publications 1995: 11 publications 1996: 2 publications 1997: 5 publications 1998: 0 publications 1999: 3 publications 2000: 3 publications 2001: 2 publications 2002: 2 publications 2003: 5 publications 2004: 6 publications 2005: 14 publications 2006: 20 publications 2007: 4 publications 2008: 3 publications 2009: 1 publication 2010: 2 publications 2011: 1 publication 2012: 1 publication
1992 2012

92 publications in total across all disciplines

View publications per year as a table
Ryuichi Iwamura: publications per year, 1992 to 2012
Year Publications
1992 4
1993 0
1994 3
1995 11
1996 2
1997 5
1998 0
1999 3
2000 3
2001 2
2002 2
2003 5
2004 6
2005 14
2006 20
2007 4
2008 3
2009 1
2010 2
2011 1
2012 1
Total 92
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Ryuichi Iwamura publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Ryuichi Iwamura sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 78 bars. Horizontal axis: publications, 38–47 to 804+. Vertical axis: number of scientists, 0 to 457. Most scientists, 457, have 148–157 publications. The last bar groups every scientist with 804 publications or more. The highlighted bar, 78–87 publications, is where this scientist sits. 38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 118 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 60 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38–47 publications 804+

This scientist: 79 publications — 3rd percentile

3% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 804 publications or more.

View publications distribution as a table
Number of Engineering and Technology scientists by publication count, Research.com 2026 ranking edition. Based on 9,796 ranked scientists.
Publications Scientists This scientist
38–47 20
48–57 35
58–67 96
68–77 135
78–87 190 79
88–97 259
98–107 283
108–117 369
118–127 341
128–137 386
138–147 372
148–157 457
158–167 415
168–177 407
178–187 421
188–197 378
198–207 403
208–217 317
218–227 346
228–237 321
238–247 260
248–257 280
258–267 240
268–277 214
278–287 242
288–297 203
298–307 166
308–317 154
318–327 175
328–337 159
338–347 99
348–357 131
358–367 106
368–377 118
378–387 97
388–397 108
398–407 82
408–417 71
418–427 64
428–437 55
438–447 54
448–457 60
458–467 47
468–477 40
478–487 30
488–497 29
498–507 38
508–517 40
518–527 32
528–537 23
538–547 28
548–557 23
558–567 19
568–577 16
578–587 17
588–597 18
598–607 22
608–617 15
618–627 9
628–637 11
638–647 21
648–657 12
658–667 9
668–677 11
678–687 9
688–697 6
698–707 14
708–717 7
718–727 8
728–737 10
738–747 9
748–757 5
758–767 5
768–777 11
778–787 7
788–797 2
798–803 4
804+ 100
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Ryuichi Iwamura D-index placement in Engineering and Technology in 2026

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

No. of scientists
100 200 300 400
Bar chart with 78 bars. Horizontal axis: D-Index, 30 to 107+. Vertical axis: number of scientists, 0 to 426. Most scientists, 426, have 42 D-Index. The last bar groups every scientist with 107 D-Index or more. The highlighted bar, 32 D-Index, is where this scientist sits. 30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 95 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 25 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 32 D-Index — 3rd percentile

3% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

View D-Index distribution as a table
Number of Engineering and Technology scientists by D-index, Research.com 2026 ranking edition. Based on 9,796 ranked scientists.
D-Index Scientists This scientist
30 59
31 114
32 129 32
33 189
34 200
35 262
36 311
37 312
38 350
39 385
40 348
41 362
42 426
43 380
44 310
45 341
46 301
47 306
48 271
49 246
50 210
51 253
52 213
53 221
54 195
55 186
56 170
57 167
58 166
59 144
60 152
61 141
62 138
63 131
64 118
65 114
66 119
67 95
68 87
69 77
70 89
71 69
72 54
73 46
74 55
75 54
76 49
77 53
78 46
79 28
80 39
81 36
82 24
83 26
84 36
85 18
86 25
87 19
88 26
89 27
90 23
91 15
92 12
93 9
94 15
95 10
96 13
97 13
98 9
99 7
100 7
101 8
102 7
103 7
104 9
105 6
106 9
107+ 99
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Overview

What is he best known for?

The fields of study he is best known for:

  • Operating system
  • Computer network
  • The Internet

Ryuichi Iwamura mainly focuses on Computer network, Line, Power-line communication, Display device and Control. His study explores the link between Computer network and topics such as Bandwidth that cross with problems in Asynchronous communication, Network management station and Bandwidth management. His Line research is multidisciplinary, incorporating elements of Remote control, Key, Networking hardware and Bandwidth cap.

His Power-line communication study incorporates themes from Network architecture, Detector, Controller, Current and Dielectric antennas. His work carried out in the field of Display device brings together such families of science as Topology, Artificial intelligence, Computer vision, Transfer and Topology. His biological study deals with issues like Digital network, which deal with fields such as IEEE 1394, Serial communication and Computer hardware.

His most cited work include:

  • Method and system for controlling a display device (279 citations)
  • Device control with topology map in a digital network (218 citations)
  • Systems and methods for use in providing local power line communication (196 citations)

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

His primary areas of investigation include Computer hardware, Computer network, Signal, Electronic engineering and Optical disc. His study looks at the relationship between Computer hardware and fields such as Transmission, as well as how they intersect with chemical problems. His research in Computer network intersects with topics in Real-time computing, Control, Key and Embedded system.

His research integrates issues of Graphical user interface elements, Data transmission, Computer vision and Artificial intelligence in his study of Signal. His Computer vision research focuses on Display device and how it connects with IEEE 1394, Topology, Serial communication, Topology and User interface. In his study, Interface is inextricably linked to Electrical engineering, which falls within the broad field of Electronic engineering.

He most often published in these fields:

  • Computer hardware (27.84%)
  • Computer network (24.74%)
  • Signal (16.49%)

What were the highlights of his more recent work (between 2004-2012)?

  • Computer network (24.74%)
  • Computer hardware (27.84%)
  • Electronic engineering (13.40%)

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

The scientist’s investigation covers issues in Computer network, Computer hardware, Electronic engineering, Signal and Real-time computing. Ryuichi Iwamura interconnects Key and Embedded system in the investigation of issues within Computer network. In his study, User interface and Optoelectronics is strongly linked to Display device, which falls under the umbrella field of Computer hardware.

His Electronic engineering research is multidisciplinary, relying on both Digital signal, Audio signal processing, Electrical engineering and Modulation. His work in Electrical engineering covers topics such as Interface which are related to areas like Network communication. His Signal research integrates issues from Connection, Firmware, Artificial intelligence and Computer vision.

Between 2004 and 2012, his most popular works were:

  • Systems and methods for use in providing local power line communication (196 citations)
  • Power-line communication based surveillance system (168 citations)
  • System and method for authenticating/registering network device in power line communication (plc) (136 citations)

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

  • Operating system
  • Computer network
  • The Internet

Computer network, Computer hardware, Power-line communication, Control and Remote control are his primary areas of study. His Computer network study combines topics from a wide range of disciplines, such as Key and Bandwidth. The concepts of his Computer hardware study are interwoven with issues in User interface, Base and Display device.

His Power-line communication study integrates concerns from other disciplines, such as Network architecture and Line. Ryuichi Iwamura focuses mostly in the field of Line, narrowing it down to matters related to Controller and, in some cases, Electronic engineering. The Control study combines topics in areas such as Embedded system, Video camera and Network communication.

Best Publications

  • Method and system for controlling a display device

    Thomas P. Dawson;Ryuichi Iwamura

  • Device control with topology map in a digital network

    Ryuichi Iwamura;Yoshizumi Mano;Chenchu L. Chilamakuri;Andrew M. Proehl

  • Systems and methods for use in providing local power line communication

    Ryuichi Iwamura

  • Power line home network

    Ryuichi Iwamura

  • Power-line communication based surveillance system

    Ryuichi Iwamura

  • System and method for authenticating/registering network device in power line communication (plc)

    Tohru Doumuki;Ryuichi Iwamura

  • Music search by melody input

    Ryuichi Iwamura

  • PC card recorder

    Ryuichi Iwamura

  • Anti-theft system for computers and other electronic devices

    Ryuichi Iwamura

  • Optical disk, method and apparatus for recording and reproducing information

    Jun Yonemitsu;Shunji Yoshimura;Ryuichi Iwamura;Makoto Kawamura

  • Bandwidth management of virtual networks on a shared network

    Ryuichi Iwamura

  • Network audio systems

    Ryuichi Iwamura;David A. Desch;Takaaki Ota

  • Motion picture signal compressing apparatus which encodes the motion vector of the block of a motion picture signal picture as a motion vector difference

    Ryuichi Iwamura

  • Device user interface with topology map

    Chenchu L. Chilamakuri;Ryuichi Iwamura;Yoshizumi Mano;Andrew M. Proehl

  • Method for reproducing compressed information data from a disk using a spatial frequency less than the track pitch

    Jun Yonemitsu;Ryuichi Iwamura;Shunji Yoshimura;Makoto Kawamura

  • Graphic user interface for digital networks

    Ryuichi Iwamura

  • Carrier management for a network

    Ryuichi Iwamura

  • Compressed motion picture signal expander with error concealment

    Ryuichi Iwamura

  • Motion picture decoding system which affords smooth reproduction of recorded motion picture coded data in forward and reverse directions at high speed

    Ryuichi Iwamura;Yoshiyuki Akiyama

  • Graphic codec for network transmission

    Ryuichi Iwamura

Frequent Co-Authors

Andrew M. Proehl
Andrew M. Proehl Sony (Japan)
Peter Shintani
Peter Shintani Sony (Japan)
Yoichi Yagasaki
Yoichi Yagasaki Sony (Japan)

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