Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yutaka Muraguchi | Hokosangyo Co. | 4 |
| 2 | Kazunori Ninomiya | Kyushu Hitachi Maxell | 2 |
| 2 | Kouichi Ootani | Fujimi Incorporated | 2 |
| 2 | Isao Imagawa | Kyushu Hitachi Maxell | 2 |
| 2 | Katsutoshi Hashimoto | Sumitomo Riko Company Limited | 2 |
| #6 | Mitukazu Watanabe | Kabushiki Kaisha Toshiba | 1 |
| #6 | Hitoshi Terado | — | 1 |
| #6 | Akira Mutagami | Mazda Motor | 1 |