Showing 1–11 of 11 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Masahiko Shigetsu | Mazda Motor | 4 |
| 2 | Kozo Ohdoi | Webasto Se | 2 |
| 2 | Kazuo Takimiya | Nippon Kayaku | 2 |
| 2 | Tatsuo Tsuneoka | Mazda Motor | 2 |
| 2 | Sakura Nakano | Mazda Motor | 2 |
| #6 | Akihiro Shinkawa | Webasto Se | 1 |
| #6 | Toshihiko Ohsumi | Mazda Motor | 1 |
| #6 | Suguru Hirokawa | Eaton | 1 |
| #6 | Shinya Yukisada | Webasto Se | 1 |
| #6 | Niki Kenichi | Webasto Se | 1 |
| #6 | Yasuyuki Sugino | Sharp Kabushiki Kaisha | 1 |