Showing 1–15 of 15 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yuko Fukuda | Kao | 6 |
| 2 | Hayato Tsutsui | Showa | 4 |
| 2 | Tomoyuki Motegi | Kao | 4 |
| #4 | Eishi Ishimaru | Hitachi Astemo | 2 |
| #5 | Tomoyuki Honda | Toyota | 1 |
| #5 | Katsumi Ohshima | Daiwa Can | 1 |
| #5 | Shingo Ishige | Showa | 1 |
| #5 | Junya HIRATA | Asahi Polyslider Company, Limited | 1 |
| #5 | Tomoki HOSOKAWA | Kobe Steel | 1 |
| #5 | Shiwei Kang | Kobe Steel | 1 |
| #5 | Mutsuo Tezuka | Honda Motor Co. | 1 |
| #5 | Tadayosi Iwamaru | Daiwa Can | 1 |
| #5 | Shohei Ohtsuka | Honda Motor Co. | 1 |
| #5 | Hirotoshi Uchibori | Hitachi Astemo | 1 |
| #5 | Kyouichi Tagami | Hitachi Astemo | 1 |