Showing 1–17 of 17 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yuji Yamamoto | Makita | 328 |
| 2 | Naoki Yamamoto | Mitsubishi Electric | 308 |
| 3 | Tadashi Yamamoto | Toyoda Gosei Co. | 183 |
| #4 | Masaru Yoshida | Sharp Kabushiki Kaisha | 159 |
| #5 | Mitsuhiro Tanaka | Ngk Insulators | 95 |
| #6 | Tetsuhiko Yoshida | Toagosei Co. | 58 |
| #7 | Hiroshi Matsuzaki | Olympus | 50 |
| #8 | Takashi Sakurai | Nippondenso Co. | 47 |
| #9 | Manabu Yoshida | Ngk Insulators | 36 |
| #10 | Tetsuya Ishii | Sekisui Chemical Co. | 33 |
| #11 | Shiro Hara | National Institute Of Advanced Industrial Science And Technology | 27 |
| #12 | Hideaki Tada | Ono Pharmaceutical Co. | 22 |
| #13 | Yoshihiro Kinoshita | Kabushiki Kaisha Toshiba | 20 |
| #14 | Satoru Iguchi | Taiho Pharmaceutical Co. | 10 |
| #15 | Nobutaka Oohata | Fujisawa Pharmaceutical Co. | 7 |
| #15 | Makoto Hirasawa | National Institute Of Advanced Industrial Science And Technology | 7 |
| #17 | Yoji Horie | Toagosei Co. | 2 |