Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Naoshi Masukawa | Ngk Insulators | 5 |
| 2 | Kazuyuki Kaigawa | Ngk Insulators | 2 |
| 3 | Masaki Omoto | Aichi Machine Industry Co. | 1 |
| 3 | Shigeharu Mori | Amano Enzyme | 1 |
| 3 | Masanori Aritake | Toyoda Gosei Co. | 1 |
| 3 | Toshikatsu Togawa | Toyoda Gosei Co. | 1 |
| 3 | Mitsuhiro Kikuta | Toyoda Gosei Co. | 1 |
| 3 | Yukitoshi Inui | Toyoda Gosei Co. | 1 |