Top Inventors at Tokyo R & D All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Masao Ono | 9 |
| 2 | Minoru Kozaki | 7 |
| 3 | Kunio Tabata | 6 |
| #4 | Nobuhito Ohnuma | 6 |
| #5 | Issei Yamakoshi | 5 |
| #6 | Kunihiko Takagi | 5 |
| #7 | Yoshikazu Koike | 4 |
| #8 | Atsushi Mizukoshi | 3 |
| #9 | Hiroshi Ishii | 3 |
| #10 | Nobuyuki Kasuga | 3 |
| #11 | Nobuki Sasaki | 3 |
| #12 | Osamu Watanabe | 3 |
| #13 | Takashi Aoki | 3 |
| #14 | Tamotsu Fukazawa | 3 |
| #15 | Takeo Sato | 3 |
| #16 | Takeshi Seto | 3 |
| #17 | Akihito Uetake | 3 |
| #18 | Atsushi Mamiya | 2 |
| #19 | Masatoshi Fukuda | 2 |
| #20 | Satoshi Yamazaki | 2 |
| #21 | Tatsuya Shimoda | 2 |
| #22 | Hideki Mori | 1 |
| #23 | Hiroaki Nakahara | 1 |
| #24 | Hikokazu Okaguchi | 1 |
| #25 | Hiroshi Sakurai | 1 |
| #26 | Hiroko Yoshikawa | 1 |
| #27 | Jun Hyodo | 1 |
| #28 | Jun Morimoto | 1 |
| #29 | Ken Endo | 1 |
| #30 | Kiyomi Yamasaki | 1 |
| #31 | Kohichi Tadokoro | 1 |
| #32 | Masaaki Yoshikawa | 1 |
| #33 | Naoki Tsuji | 1 |
| #34 | Nobuto Ohnuma | 1 |
| #35 | Sakae Takagi | 1 |
| #36 | Shouzou Hashidume | 1 |
| #37 | Shigemi Kikuchi | 1 |
| #38 | Shinji Motojima | 1 |
| #39 | Shinji Okayama | 1 |
| #40 | Haruki Torizuka | 1 |
| #41 | Toru Yosizawa | 1 |
| #42 | Akifumi Kurita | 1 |