Showing 1–23 of 23 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Akihito Kobayashi | Brother Kogyo | 5 |
| 2 | Fumihiko Kishima | Toyota | 4 |
| 2 | Toshiki Motoyama | Brother Kogyo | 4 |
| #4 | Daisuke Kawase | Denso Wave Incorporated | 3 |
| #4 | Takaharu Kozawa | Denso | 3 |
| #6 | Keiji Ozeki | Ngk Spark Plug Co. | 2 |
| #6 | Yasuyo Nishimura | Kuraray Co. | 2 |
| #6 | Toshiaki Kurahashi | Ngk Spark Plug Co. | 2 |
| #6 | Naoya Takase | Ngk Insulators | 2 |
| #6 | Masaya Ueda | Kobe Steel | 2 |
| #11 | Tatsuji ISHIDA | Oji Holdings | 1 |
| #11 | Takumi Moro | Kasai Kogyo Co. | 1 |
| #11 | Tadakazu Ishiwata | Oji Holdings | 1 |
| #11 | Ai Igarashi | Ngk Spark Plug Co. | 1 |
| #11 | Kiyoyuki Uchida | Toyota | 1 |
| #11 | Masayoshi Taki | Toyota | 1 |
| #11 | Wataru Hasegawa | Brother Kogyo | 1 |
| #11 | Raizo Kosaka | Brother Kogyo | 1 |
| #11 | Masaki Onkawa | Ngk Spark Plug Co. | 1 |
| #11 | Shimpei Eguchi | Sumitomo Riko Company Limited | 1 |
| #11 | Masashi Minoda | Amano Enzyme | 1 |
| #11 | Kazushi Shumiya | Brother Kogyo | 1 |
| #11 | Naoto Ozeki | Brother Kogyo | 1 |