Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hideki Miyazaki | Hitachi | 2 |
| 2 | Takeshi Hamura | Mitsuboshi Belting | 1 |
| 2 | Ryusuke Hashimoto | — | 1 |
| 2 | Kunio Ito | Konishiroku Photo Industry Co. | 1 |
| 2 | Yasuhiko Suzuki | Mitsui Chemicals | 1 |
| 2 | Shinji Shibata | Toto | 1 |
| 2 | Hiroshi Inagaki | Ngk Spark Plug Co. | 1 |