Showing 1–16 of 16 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Makio Iida | Nippondenso Co. | 3 |
| 2 | Seiji Itami | Mitsui Chemicals | 2 |
| 2 | Koichiro Maekawa | Ngk Insulators | 2 |
| 2 | Mikio Sakuma | Brother Kogyo | 2 |
| 2 | Masami Ueda | Sumitomo Special Metals Co. | 2 |
| 2 | Tatsuhiko Inagaki | Sumitomo Electric Industries | 2 |
| 2 | Koji Hayakawa | Panasonic | 2 |
| 2 | Mitsuo Nakamura | Mitsui Chemicals | 2 |
| #9 | Kouichiro Maekawa | Ngk Insulators | 1 |
| #9 | Shohei Morikawa | Denso | 1 |
| #9 | Kenichi Mitsui | Toyoda Gosei Co. | 1 |
| #9 | Kiyonari Honda | Denso | 1 |
| #9 | Yasutoshi Imai | Aisin Seiki Kabushiki Kaisha | 1 |
| #9 | Katsuichi Iwata | Ngk Insulators | 1 |
| #9 | Saichi Yamada | Ngk Insulators | 1 |
| #9 | Isao Chonan | Sakurai Graphic Systems | 1 |