Showing 1–14 of 14 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Sadao Kumasaka | Human Industry | 3 |
| 2 | Masumi Saito | Kurashiki Boseki | 2 |
| 3 | Satoru Fukutome | Citizen Watch Co. | 1 |
| 3 | Kouichi Nakajima | Citizen Watch Co. | 1 |
| 3 | Shigeyuki Akiba | Kokusai Denshin Denwa Co. | 1 |
| 3 | Ryuzo Tanaka | Citizen Watch Co. | 1 |
| 3 | Noboru Ohshima | Japan Synthetic Rubber | 1 |
| 3 | Sei Jinsenji | Ricoh Company | 1 |
| 3 | Motonobu Fukase | Sayama Precision Industries Co. | 1 |
| 3 | Junji Ohtsubo | Ministry Of International Trade & Industry | 1 |
| 3 | Yasuo Yokokawa | Asahi Kasei Kogyo Co. | 1 |
| 3 | Haruyoshi Terada | Nihon Parkerizing Co. | 1 |
| 3 | Koji Yakan | Sanyo Kokusaku Pulp Co. | 1 |
| 3 | Haruo Nomi | Junkosha | 1 |