Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Satoshi Nakamura | Ricoh Company | 349 |
| 2 | Keiji Yamamoto | Kobelco Construction Machinery Co. | 103 |
| 3 | Shinichiro Maeda | Delta Tooling Co. | 14 |
| #4 | Yoshitaka Nishimoto | Nishikawa Rubber Co. | 12 |
| #5 | Shigeo Okamizu | Mazda Motor | 8 |
| #6 | Keith Z. Doorenbos | Ford | 3 |
| #7 | Ryuji Matsumura | Mazda Motor | 2 |
Part of Michigan