Showing 1–12 of 12 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yasutaka Tsuruga | Hitachi Construction Machinery Co. | 8 |
| 2 | Mitsuaki Yamamoto | Sekisui Medical Co. | 5 |
| 3 | Arata Tanaka | Littelfuse, Japan G.K. | 3 |
| 3 | Tomo Shimizu | Sekisui Medical Co. | 3 |
| #5 | Fumihiko Matsuda | Nippon Mektron | 2 |
| #5 | Yasunori Miyamoto | Hitachi Construction Machinery Co. | 2 |
| #5 | Takashi Takeyama | Kcm | 2 |
| #8 | Katsuyuki Kirita | Hitachi Construction Machinery Co. | 1 |
| #8 | Kazuo Ishida | Mitsubishi Electric | 1 |
| #8 | Hiroaki Yada | Sony | 1 |
| #8 | Keigo Kikuchi | Kcm | 1 |
| #8 | Hirohisa Taira | Nikon | 1 |