Showing 1–17 of 17 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yumio Matsumoto | Brother Kogyo | 8 |
| 2 | Yasuaki Kondo | Sanwa Kagaku Kenkyusho Co. | 4 |
| 3 | Tetsushi Hiramitsu | Toyoda Gosei Co. | 2 |
| 3 | Hiromoto Kimura | Sanwa Kagaku Kenkyusho Co. | 2 |
| #5 | Takanobu Nanno | Tokai Rubber Industries | 1 |
| #5 | Masanobu Ogawa | Asahi Glass Co. | 1 |
| #5 | Fumiyasu Kato | Kyb | 1 |
| #5 | Tatsuo Ogasawara | Brother Kogyo | 1 |
| #5 | Satoshi Fukao | Brother Kogyo | 1 |
| #5 | Kenji Miura | Sanwa Kagaku Kenkyusho Co. | 1 |
| #5 | Yukiharu Matsumoto | Sanwa Kagaku Kenkyusho Co. | 1 |
| #5 | Etsuzo Nomura | Brother Kogyo | 1 |
| #5 | Mitsuru Oka | Sanwa Kagaku Kenkyusho Co. | 1 |
| #5 | Hideaki Yagi | Ngk Spark Plug Co. | 1 |
| #5 | Naoki Yamada | Canon | 1 |
| #5 | Takashi Murata | Toyota | 1 |
| #5 | Takao Sakakibara | Dai Nippon Toryo Co. | 1 |