Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Shigeru Okuda | Sumitomo Electric Industries | 6 |
| 2 | Yasuhiro Makino | Sanyo Electric Co. | 2 |
| 3 | Tadao Taniguchi | Shinagawa Refractories Co. | 1 |
| 3 | Harumi Kamegawa | Shinagawa Refractories Co. | 1 |
| 3 | Tetsuhiko Matsuura | Kuraray Chemical Co. | 1 |
| 3 | Jun Tsujimoto | Kabushiki Kaisha Toshiba | 1 |
| 3 | Junichi Arima | Mitsubishi Electric | 1 |
| 3 | Yukitoshi Kubota | Shinagawa Refractories Co. | 1 |
| 3 | Makoto Nanba | Shinagawa Refractories Co. | 1 |