Showing 1–18 of 18 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Susumu Yamada | Sanyo Electric Co. | 57 |
| 2 | Osamu Sakamoto | Sanshin Industries | 39 |
| 3 | Yuichi Ikeno | Brother Kogyo | 22 |
| #4 | Taishi Kawasaki | Mitsubishi Chemical | 12 |
| #5 | Yasuhiro Kira | Nippon Gakki Seizo | 7 |
| #6 | Toshihiro Koda | Mitsubishi Plastics | 4 |
| #6 | Yuka Kato | Hitachi | 4 |
| #8 | Masanobu Nagasaki | Honda Motor Co. | 3 |
| #9 | Hiroshi Yuchi | Toyota | 2 |
| #9 | Ryosuke Funatsu | Mitsubishi Chemical | 2 |
| #11 | Yoshiharu Hayashi | Panasonic | 1 |
| #11 | Naoki Honbo | Kao | 1 |
| #11 | Hiroyuki Itahara | Toyota Central R&D Labs | 1 |
| #11 | Takatsune Fujimura | Toyota Central R&D Labs | 1 |
| #11 | Akiyoshi Oku | Toray Industries | 1 |
| #11 | Katsuya Amako | Mitsubishi Plastics | 1 |
| #11 | Naoyuki Hase | — | 1 |
| #11 | Sukeyuki Yamamoto | Yanmar Holdings Co. | 1 |