Showing 1–19 of 19 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yoshihiro Higashi | Kabushiki Kaisha Toshiba | 8 |
| 2 | Keita Kondo | — | 5 |
| 3 | Yasuhito Yonezawa | Komatsu | 4 |
| 3 | Shinji Takeuchi | Daiwa Seiko Co. | 4 |
| #5 | Masaaki Takada | Kabushiki Kaisha Toshiba | 3 |
| #6 | Kyousuke Moriguchi | Komatsu | 2 |
| #6 | Kazuyuki Kirino | Komatsu | 2 |
| #8 | Makoto Naito | Komatsu | 1 |
| #8 | Shoko HANAGATA | Kabushiki Kaisha Toshiba | 1 |
| #8 | Youichirou Shimizu | — | 1 |
| #8 | Hirotaka Kamekura | Komatsu | 1 |
| #8 | Hirohito Hagiwara | Komatsu | 1 |
| #8 | Yutaka Ono | Komatsu | 1 |
| #8 | Kenjiro Shimada | Komatsu | 1 |
| #8 | Yasutaka Numa | Komatsu | 1 |
| #8 | Takuji Miyasaka | Komatsu | 1 |
| #8 | Ryuji Taniguchi | — | 1 |
| #8 | Eiji Yamazaki | Komatsu | 1 |
| #8 | Kazuyuki Kitamura | Hoechst Japan Limited | 1 |