Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Naoya Kamimura | Brother Kogyo | 13 |
| 2 | Tomonori Watanabe | Brother Kogyo | 7 |
| 3 | Tsutomu Ishii | — | 2 |
| 3 | Hiroshi Taira | Brother Kogyo | 2 |
| 3 | Akihiro Misawa | Toyoda Gosei Co. | 2 |
| 3 | Masaaki Wakizaka | Brother Kogyo | 2 |
| #7 | Keiichi Noda | Ngk Spark Plug Co. | 1 |
| #7 | Masanari Iwata | Aisin Seiki Kabushiki Kaisha | 1 |
| #7 | Makoto Kuribayashi | Ngk Spark Plug Co. | 1 |