| Discipline name | D-Index | World Ranking | Current World Ranking | National Ranking | Current National Ranking | Publications | Citations |
|---|---|---|---|---|---|---|---|
| Mechanical and Aerospace Engineering | 36 | 2469 | 2311 | 57 | 52 | 135 | 10227 |
The chart shows the history of publications by Akihiro Hayakawa between 1967 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Akihiro Hayakawa published across 59 years, from 1967 to 2025, averaging 3.2 papers a year. Output peaked at 21 publications in 2019. 20 of the 188 publications appeared in the last two years.
188 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1967 | 1 |
| 1968 | 0 |
| 1969 | 0 |
| 1970 | 0 |
| 1971 | 1 |
| 1972 | 0 |
| 1973 | 0 |
| 1974 | 0 |
| 1975 | 0 |
| 1976 | 0 |
| 1977 | 0 |
| 1978 | 0 |
| 1979 | 0 |
| 1980 | 0 |
| 1981 | 0 |
| 1982 | 0 |
| 1983 | 0 |
| 1984 | 0 |
| 1985 | 1 |
| 1986 | 0 |
| 1987 | 0 |
| 1988 | 5 |
| 1989 | 3 |
| 1990 | 0 |
| 1991 | 1 |
| 1992 | 0 |
| 1993 | 3 |
| 1994 | 0 |
| 1995 | 1 |
| 1996 | 5 |
| 1997 | 2 |
| 1998 | 3 |
| 1999 | 2 |
| 2000 | 2 |
| 2001 | 2 |
| 2002 | 1 |
| 2003 | 0 |
| 2004 | 0 |
| 2005 | 1 |
| 2006 | 0 |
| 2007 | 0 |
| 2008 | 3 |
| 2009 | 5 |
| 2010 | 5 |
| 2011 | 6 |
| 2012 | 4 |
| 2013 | 6 |
| 2014 | 5 |
| 2015 | 5 |
| 2016 | 13 |
| 2017 | 11 |
| 2018 | 9 |
| 2019 | 21 |
| 2020 | 9 |
| 2021 | 15 |
| 2022 | 10 |
| 2023 | 7 |
| 2024 | 12 |
| 2025 | 8 |
| Total | 188 |
The chart shows the distribution of publications by all Research.com ranked scientists in the field of Mechanical and Aerospace Engineering in 2026. The highlighted bar marks where Akihiro Hayakawa sits on this spectrum.
This scientist: 135 publications — 18th percentile
18% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 659 publications or more.
| Publications | Scientists | This scientist |
|---|---|---|
| 47–56 | 10 | |
| 57–66 | 23 | |
| 67–76 | 32 | |
| 77–86 | 62 | |
| 87–96 | 67 | |
| 97–106 | 91 | |
| 107–116 | 113 | |
| 117–126 | 115 | |
| 127–136 | 130 | 135 |
| 137–146 | 140 | |
| 147–156 | 155 | |
| 157–166 | 132 | |
| 167–176 | 133 | |
| 177–186 | 130 | |
| 187–196 | 140 | |
| 197–206 | 115 | |
| 207–216 | 125 | |
| 217–226 | 117 | |
| 227–236 | 99 | |
| 237–246 | 92 | |
| 247–256 | 100 | |
| 257–266 | 95 | |
| 267–276 | 88 | |
| 277–286 | 77 | |
| 287–296 | 74 | |
| 297–306 | 74 | |
| 307–316 | 62 | |
| 317–326 | 70 | |
| 327–336 | 59 | |
| 337–346 | 58 | |
| 347–356 | 45 | |
| 357–366 | 44 | |
| 367–376 | 36 | |
| 377–386 | 41 | |
| 387–396 | 32 | |
| 397–406 | 23 | |
| 407–416 | 28 | |
| 417–426 | 27 | |
| 427–436 | 25 | |
| 437–446 | 23 | |
| 447–456 | 23 | |
| 457–466 | 20 | |
| 467–476 | 12 | |
| 477–486 | 24 | |
| 487–496 | 18 | |
| 497–506 | 12 | |
| 507–516 | 13 | |
| 517–526 | 21 | |
| 527–536 | 12 | |
| 537–546 | 8 | |
| 547–556 | 16 | |
| 557–566 | 3 | |
| 567–576 | 11 | |
| 577–586 | 6 | |
| 587–596 | 5 | |
| 597–606 | 6 | |
| 607–616 | 7 | |
| 617–626 | 7 | |
| 627–636 | 10 | |
| 637–646 | 4 | |
| 647–656 | 3 | |
| 657–658 | 2 | |
| 659+ | 100 |
The chart shows the D-index (discipline H-index) distribution of Mechanical and Aerospace Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Akihiro Hayakawa sits on this spectrum.
This scientist: 36 D-Index — 28th percentile
28% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 93 D-Index or more.
| D-Index | Scientists | This scientist |
|---|---|---|
| 30 | 83 | |
| 31 | 113 | |
| 32 | 144 | |
| 33 | 153 | |
| 34 | 189 | |
| 35 | 158 | |
| 36 | 139 | 36 |
| 37 | 127 | |
| 38 | 130 | |
| 39 | 126 | |
| 40 | 104 | |
| 41 | 100 | |
| 42 | 107 | |
| 43 | 101 | |
| 44 | 103 | |
| 45 | 79 | |
| 46 | 88 | |
| 47 | 70 | |
| 48 | 83 | |
| 49 | 44 | |
| 50 | 64 | |
| 51 | 56 | |
| 52 | 50 | |
| 53 | 48 | |
| 54 | 58 | |
| 55 | 52 | |
| 56 | 48 | |
| 57 | 42 | |
| 58 | 34 | |
| 59 | 42 | |
| 60 | 37 | |
| 61 | 42 | |
| 62 | 44 | |
| 63 | 22 | |
| 64 | 33 | |
| 65 | 29 | |
| 66 | 23 | |
| 67 | 29 | |
| 68 | 24 | |
| 69 | 19 | |
| 70 | 34 | |
| 71 | 26 | |
| 72 | 19 | |
| 73 | 18 | |
| 74 | 19 | |
| 75 | 14 | |
| 76 | 19 | |
| 77 | 8 | |
| 78 | 18 | |
| 79 | 16 | |
| 80 | 12 | |
| 81 | 17 | |
| 82 | 11 | |
| 83 | 16 | |
| 84 | 7 | |
| 85 | 9 | |
| 86 | 8 | |
| 87 | 6 | |
| 88 | 6 | |
| 89 | 7 | |
| 90 | 10 | |
| 91 | 4 | |
| 92 | 4 | |
| 93+ | 100 |
Hideaki Kobayashi;Akihiro Hayakawa;K.D. Kunkuma A. Somarathne;Ekenechukwu C. Okafor
Ekenechukwu C. Okafor;Yuji Naito;Sophie Colson;Akinori Ichikawa
Akihiro Hayakawa;Takashi Goto;Rentaro Mimoto;Yoshiyuki Arakawa
Osamu Kurata;Norihiko Iki;Takayuki Matsunuma;Takahiro Inoue
Ekenechukwu Chijioke Okafor;Yuji Naito;Sophie Colson;Akinori Ichikawa
Akinori Ichikawa;Akihiro Hayakawa;Yuichi Kitagawa;K.D. Kunkuma Amila Somarathne
Ekenechukwu C. Okafor;K.D. Kunkuma A. Somarathne;Akihiro Hayakawa;Taku Kudo
Ekenechukwu C. Okafor;K.D. Kunkuma A. Somarathne;Rattanasupapornsak Ratthanan;Akihiro Hayakawa
Akihiro Hayakawa;Yoshiyuki Arakawa;Rentaro Mimoto;K.D. Kunkuma A. Somarathne
Kapuruge Don Kunkuma Amila Somarathne;Sotaro Hatakeyama;Akihiro Hayakawa;Hideaki Kobayashi
Akihiro Hayakawa;Takashi Goto;Rentaro Mimoto;Taku Kudo
Osamu Kurata;Norihiko Iki;Takahiro Inoue;Takayuki Matsunuma
Gabriel J. Gotama;Gabriel J. Gotama;Gabriel J. Gotama;Akihiro Hayakawa;Ekenechukwu C. Okafor;Ryuhei Kanoshima
Unknown
Kapuruge Don Kunkuma Amila Somarathne;Ekenechukwu C. Okafor;Akihiro Hayakawa;Taku Kudo
Ekenechukwu C. Okafor;Hirofumi Yamashita;Akihiro Hayakawa;K.D. Kunkuma A. Somarathne
Unknown
Unknown
Unknown
Ekenechukwu C. Okafor;Masaaki Tsukamoto;Akihiro Hayakawa;K.D. Kunkuma A. Somarathne
If you think any of the details on this page are incorrect, let us know.
For students exploring Mechanical and Aerospace Engineering, understanding related online degrees and career pathways can provide valuable insights. Many prospective learners consider programs that balance accessibility and affordability. For those interested in fields like speech pathology as alternative or complementary career options, the easiest online slp programs to get into offer a helpful starting point to identify accessible educational routes.
Cost is another critical factor when selecting an online degree. Reviewing the online speech pathology school cost provides an overview of tuition and fees, helping students plan their finances effectively while pursuing alternative fields or additional qualifications.
Veterans looking to expand their expertise should consider veteran-friendly options. Resources highlighting veteran friendly online speech pathology degree programs ensure access to tailored support and benefits, making the transition to civilian careers smoother and more affordable.
For individuals aiming to accelerate their education, 5-year speech pathology programs showcase how students can fast-track their credentials, saving time and gaining early entry into the workforce. Exploring these options alongside engineering pathways broadens understanding of career flexibility and growth.