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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Mathematics 35 2808 2509 44 40 256 4391

Masanori Ohya publications per year

The chart shows the history of publications by Masanori Ohya between 1978 and 2017, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Masanori Ohya published across 40 years, from 1978 to 2017, averaging 8.1 papers a year. Output peaked at 48 publications in 2011. 12 of the 323 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1978 to 2017. Vertical axis: number of publications, 0 to 48. Peak 48 publications in 2011. 1978: 2 publications 1979: 1 publication 1980: 1 publication 1981: 2 publications 1982: 0 publications 1983: 4 publications 1984: 1 publication 1985: 1 publication 1986: 2 publications 1987: 1 publication 1988: 1 publication 1989: 1 publication 1990: 0 publications 1991: 4 publications 1992: 4 publications 1993: 18 publications 1994: 2 publications 1995: 7 publications 1996: 5 publications 1997: 4 publications 1998: 14 publications 1999: 10 publications 2000: 10 publications 2001: 11 publications 2002: 5 publications 2003: 10 publications 2004: 7 publications 2005: 7 publications 2006: 9 publications 2007: 6 publications 2008: 13 publications 2009: 19 publications 2010: 21 publications 2011: 48 publications 2012: 19 publications 2013: 22 publications 2014: 6 publications 2015: 13 publications 2016: 6 publications 2017: 6 publications
1978 2017

323 publications in total across all disciplines

View publications per year as a table
Masanori Ohya: publications per year, 1978 to 2017
Year Publications
1978 2
1979 1
1980 1
1981 2
1982 0
1983 4
1984 1
1985 1
1986 2
1987 1
1988 1
1989 1
1990 0
1991 4
1992 4
1993 18
1994 2
1995 7
1996 5
1997 4
1998 14
1999 10
2000 10
2001 11
2002 5
2003 10
2004 7
2005 7
2006 9
2007 6
2008 13
2009 19
2010 21
2011 48
2012 19
2013 22
2014 6
2015 13
2016 6
2017 6
Total 323
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Masanori Ohya publication distribution in Mathematics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Mathematics in 2026. The highlighted bar marks where Masanori Ohya sits on this spectrum.

No. of scientists
25 50 75 100
Bar chart with 100 bars. Horizontal axis: publications, 42–46 to 537+. Vertical axis: number of scientists, 0 to 112. Most scientists, 112, have 142–146 publications. The last bar groups every scientist with 537 publications or more. The highlighted bar, 252–256 publications, is where this scientist sits. 42–46 publications: 3 scientists 47–51 publications: 5 scientists 52–56 publications: 7 scientists 57–61 publications: 20 scientists 62–66 publications: 14 scientists 67–71 publications: 25 scientists 72–76 publications: 19 scientists 77–81 publications: 35 scientists 82–86 publications: 50 scientists 87–91 publications: 60 scientists 92–96 publications: 86 scientists 97–101 publications: 84 scientists 102–106 publications: 83 scientists 107–111 publications: 90 scientists 112–116 publications: 99 scientists 117–121 publications: 90 scientists 122–126 publications: 91 scientists 127–131 publications: 109 scientists 132–136 publications: 110 scientists 137–141 publications: 98 scientists 142–146 publications: 112 scientists 147–151 publications: 102 scientists 152–156 publications: 88 scientists 157–161 publications: 106 scientists 162–166 publications: 83 scientists 167–171 publications: 102 scientists 172–176 publications: 77 scientists 177–181 publications: 81 scientists 182–186 publications: 78 scientists 187–191 publications: 71 scientists 192–196 publications: 92 scientists 197–201 publications: 64 scientists 202–206 publications: 69 scientists 207–211 publications: 64 scientists 212–216 publications: 62 scientists 217–221 publications: 58 scientists 222–226 publications: 53 scientists 227–231 publications: 50 scientists 232–236 publications: 46 scientists 237–241 publications: 46 scientists 242–246 publications: 46 scientists 247–251 publications: 43 scientists 252–256 publications: 29 scientists 257–261 publications: 45 scientists 262–266 publications: 30 scientists 267–271 publications: 33 scientists 272–276 publications: 34 scientists 277–281 publications: 30 scientists 282–286 publications: 31 scientists 287–291 publications: 21 scientists 292–296 publications: 34 scientists 297–301 publications: 26 scientists 302–306 publications: 10 scientists 307–311 publications: 17 scientists 312–316 publications: 23 scientists 317–321 publications: 13 scientists 322–326 publications: 16 scientists 327–331 publications: 26 scientists 332–336 publications: 13 scientists 337–341 publications: 13 scientists 342–346 publications: 16 scientists 347–351 publications: 17 scientists 352–356 publications: 12 scientists 357–361 publications: 18 scientists 362–366 publications: 18 scientists 367–371 publications: 9 scientists 372–376 publications: 11 scientists 377–381 publications: 8 scientists 382–386 publications: 8 scientists 387–391 publications: 9 scientists 392–396 publications: 9 scientists 397–401 publications: 8 scientists 402–406 publications: 11 scientists 407–411 publications: 6 scientists 412–416 publications: 6 scientists 417–421 publications: 9 scientists 422–426 publications: 8 scientists 427–431 publications: 5 scientists 432–436 publications: 8 scientists 437–441 publications: 8 scientists 442–446 publications: 4 scientists 447–451 publications: 4 scientists 452–456 publications: 4 scientists 457–461 publications: 2 scientists 462–466 publications: 2 scientists 467–471 publications: 4 scientists 472–476 publications: 3 scientists 477–481 publications: 3 scientists 482–486 publications: 6 scientists 487–491 publications: 3 scientists 492–496 publications: 5 scientists 497–501 publications: 5 scientists 502–506 publications: 1 scientist 507–511 publications: 6 scientists 512–516 publications: 4 scientists 517–521 publications: 1 scientist 522–526 publications: 3 scientists 527–531 publications: 1 scientist 532–536 publications: 4 scientists 537+ publications: 100 scientists
42–46 publications 537+

This scientist: 256 publications — 78th percentile

78% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 537 publications or more.

View publications distribution as a table
Number of Mathematics scientists by publication count, Research.com 2026 ranking edition. Based on 3,584 ranked scientists.
Publications Scientists This scientist
42–46 3
47–51 5
52–56 7
57–61 20
62–66 14
67–71 25
72–76 19
77–81 35
82–86 50
87–91 60
92–96 86
97–101 84
102–106 83
107–111 90
112–116 99
117–121 90
122–126 91
127–131 109
132–136 110
137–141 98
142–146 112
147–151 102
152–156 88
157–161 106
162–166 83
167–171 102
172–176 77
177–181 81
182–186 78
187–191 71
192–196 92
197–201 64
202–206 69
207–211 64
212–216 62
217–221 58
222–226 53
227–231 50
232–236 46
237–241 46
242–246 46
247–251 43
252–256 29 256
257–261 45
262–266 30
267–271 33
272–276 34
277–281 30
282–286 31
287–291 21
292–296 34
297–301 26
302–306 10
307–311 17
312–316 23
317–321 13
322–326 16
327–331 26
332–336 13
337–341 13
342–346 16
347–351 17
352–356 12
357–361 18
362–366 18
367–371 9
372–376 11
377–381 8
382–386 8
387–391 9
392–396 9
397–401 8
402–406 11
407–411 6
412–416 6
417–421 9
422–426 8
427–431 5
432–436 8
437–441 8
442–446 4
447–451 4
452–456 4
457–461 2
462–466 2
467–471 4
472–476 3
477–481 3
482–486 6
487–491 3
492–496 5
497–501 5
502–506 1
507–511 6
512–516 4
517–521 1
522–526 3
527–531 1
532–536 4
537+ 100
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Masanori Ohya D-index placement in Mathematics in 2026

The chart shows the D-index (discipline H-index) distribution of Mathematics scientists ranked by Research.com in 2026. The highlighted bar marks where Masanori Ohya sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 57 bars. Horizontal axis: D-Index, 30 to 86+. Vertical axis: number of scientists, 0 to 174. Most scientists, 174, have 30 D-Index. The last bar groups every scientist with 86 D-Index or more. The highlighted bar, 35 D-Index, is where this scientist sits. 30 D-Index: 174 scientists 31 D-Index: 151 scientists 32 D-Index: 174 scientists 33 D-Index: 117 scientists 34 D-Index: 136 scientists 35 D-Index: 127 scientists 36 D-Index: 145 scientists 37 D-Index: 153 scientists 38 D-Index: 150 scientists 39 D-Index: 150 scientists 40 D-Index: 138 scientists 41 D-Index: 136 scientists 42 D-Index: 93 scientists 43 D-Index: 108 scientists 44 D-Index: 115 scientists 45 D-Index: 112 scientists 46 D-Index: 103 scientists 47 D-Index: 75 scientists 48 D-Index: 59 scientists 49 D-Index: 67 scientists 50 D-Index: 60 scientists 51 D-Index: 57 scientists 52 D-Index: 59 scientists 53 D-Index: 62 scientists 54 D-Index: 60 scientists 55 D-Index: 50 scientists 56 D-Index: 42 scientists 57 D-Index: 54 scientists 58 D-Index: 50 scientists 59 D-Index: 42 scientists 60 D-Index: 41 scientists 61 D-Index: 35 scientists 62 D-Index: 40 scientists 63 D-Index: 21 scientists 64 D-Index: 31 scientists 65 D-Index: 27 scientists 66 D-Index: 29 scientists 67 D-Index: 19 scientists 68 D-Index: 25 scientists 69 D-Index: 17 scientists 70 D-Index: 18 scientists 71 D-Index: 12 scientists 72 D-Index: 14 scientists 73 D-Index: 13 scientists 74 D-Index: 18 scientists 75 D-Index: 9 scientists 76 D-Index: 11 scientists 77 D-Index: 10 scientists 78 D-Index: 9 scientists 79 D-Index: 16 scientists 80 D-Index: 12 scientists 81 D-Index: 10 scientists 82 D-Index: 5 scientists 83 D-Index: 5 scientists 84 D-Index: 13 scientists 85 D-Index: 6 scientists 86+ D-Index: 99 scientists
30 D-Index 86+

This scientist: 35 D-Index — 25th percentile

25% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 86 D-Index or more.

View D-Index distribution as a table
Number of Mathematics scientists by D-index, Research.com 2026 ranking edition. Based on 3,584 ranked scientists.
D-Index Scientists This scientist
30 174
31 151
32 174
33 117
34 136
35 127 35
36 145
37 153
38 150
39 150
40 138
41 136
42 93
43 108
44 115
45 112
46 103
47 75
48 59
49 67
50 60
51 57
52 59
53 62
54 60
55 50
56 42
57 54
58 50
59 42
60 41
61 35
62 40
63 21
64 31
65 27
66 29
67 19
68 25
69 17
70 18
71 12
72 14
73 13
74 18
75 9
76 11
77 10
78 9
79 16
80 12
81 10
82 5
83 5
84 13
85 6
86+ 99
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Overview

Masanori Ohya is affiliated with Tokyo University of Science in Japan, with a primary research focus in engineering and physics-related disciplines. Their work encompasses several subfields, including civil and structural engineering, radiation, mechanical engineering, building and construction, and pollution.

The scientist's research emphasizes topics such as concrete corrosion and durability, infrastructure maintenance and monitoring, non-destructive testing techniques, X-ray spectroscopy and fluorescence analysis, structural engineering and materials analysis, nuclear physics and applications, and the structural behavior of reinforced concrete.

Masanori Ohya has contributed to multiple publications, with recent papers including:

  • THE ANTI-CORROSIVE REPAIR METHODS FOR DEGRADED WEATHERING STEEL BRIDGES, 2020, Proceedings of International Structural Engineering and Construction
  • (Invited) Measurement of Salt Abundance on Weathering Steel Structures By Portable XRF, 2020, ECS Meeting Abstracts
  • AUTOMATED PREPARATION GRADE JUDGEMENT SYSTEM FOR WEATHERING STEEL BRIDGES BY DEEP LEARNING, 2022, Proceedings of International Structural Engineering and Construction

The frequent venues where Masanori Ohya has published include:

  • Proceedings of International Structural Engineering and Construction
  • ECS Meeting Abstracts

The scientist frequently collaborates with coauthors Masamichi Takebe, Atsumi Imai, Nozomu Hirose, Hiroaki Matsumoto, and Keishi Ochibe.

Best Publications

  • Mathematical Foundations of Quantum Information and Computation and Its Applications to Nano- and Bio-systems

    Masanori Ohya;I. Volovich

  • Compound Channels, Transition Expectations, and Liftings

    L. Accardi;M. Ohya

  • Some aspects of quantum information theory and their applications to irreversible processes

    Masanori Ohya

  • On compound state and mutual information in quantum information theory (Corresp.)

    M. Ohya

  • Quantum Adaptivity in Biology: From Genetics to Cognition

    Masanari Asano;Andrei Khrennikov;Masanori Ohya;Yoshiharu Tanaka

  • Sufficiency, KMS condition and relative entropy in von Neumann algebras.

    Fumio Hiai;Masanori Ohya;Makoto Tsukada

  • On Compound State and Mutual Information in Quantum Information Theory

    Masanori Ohya

  • Quantum-like model of brain's functioning: decision making from decoherence.

    Masanari Asano;Masanori Ohya;Yoshiharu Tanaka;Irina Basieva

  • Complexities and Their Applications to Characterization of Chaos

    Masanori Ohya

  • On capacities of quantum channels

    Masanori Ohya;Dénes Petz;Noboru Watanabe

  • Note on quantum probability

    M. Ohya

  • Quantum-Like Model for Decision Making Process in Two Players Game: A Non-Kolmogorovian Model

    Masanari Asano;Masanori Ohya;Andrei Khrennikov

  • Violation of contextual generalization of the Leggett–Garg inequality for recognition of ambiguous figures

    Masanari Asano;Takahisa Hashimoto;Andrei Khrennikov;Masanori Ohya

  • Quantum ergodic channels in operator algebras

    Masanori Ohya

  • Quantum-like dynamics of decision-making

    Masanari Asano;Irina Basieva;Andrei Khrennikov;Masanori Ohya

  • On application of Gorini-Kossakowski-Sudarshan-Lindblad equation in cognitive psychology.

    Masanari Asano;Masanori Ohya;Yoshiharu Tanaka;Andrei Yu. Khrennikov

  • Entropy transmission in C∗-dynamical systems

    Masanori Ohya

  • Dynamical Entropy Through Quantum Markov Chains

    Luigi Accardi;Masanori Ohya;Noboru Watanabe

  • Entanglement degree in the time development of the Jaynes-Cummings model

    Shigeru Furuichi;Masanori Ohya

  • New quantum algorithm for studying NP-complete problems

    Masanori Ohya;Igor V. Volovich

  • Quantum Markov model for data from Shafir-Tversky experiments in cognitive psychology

    Luigi Accardi;Andrei Yu. Khrennikov;Masanori Ohya

Frequent Co-Authors

Andrei Khrennikov
Andrei Khrennikov Linnaeus University
Luigi Accardi
Luigi Accardi University of Rome Tor Vergata
Dénes Petz
Dénes Petz Budapest University of Technology and Economics
Dariusz Chruściński
Dariusz Chruściński Nicolaus Copernicus University
Fumio Hiai
Fumio Hiai Tohoku University
Fionn Murtagh
Fionn Murtagh University of Huddersfield
Hiroshi Terada
Hiroshi Terada Tokyo University of Science
Ludwig Streit
Ludwig Streit Bielefeld University

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