Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Jiro Harada | Harada Industry Co. | 2 |
| 2 | Eiichiro Nakao | Sumitomo Electric Industries | 1 |
| 2 | Nagahiro Kawano | Ngk Insulators | 1 |
| 2 | Mitsuo Nishi | Tokyo Electron Limited | 1 |
| 2 | Hiroyo Saitou | — | 1 |
| 2 | Hirofumi Shiraishi | Tokyo Electron Limited | 1 |
| 2 | Tadaaki Ohgi | Bonac | 1 |
| 2 | Akihiro Itoh | Ricoh Company | 1 |
| 2 | Haruo Tomozaki | Komatsu Shisakusho | 1 |