Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiroyuki Tanji | Unicharm | 3 |
| 2 | Yoshinori Matsura | Unicharm | 2 |
| 2 | Seiji Murakami | Kikkoman | 2 |
| #4 | Osamu Iwasaki | Canon | 1 |
| #4 | Masashi Kitagawa | Honda Motor Co. | 1 |
| #4 | Nobuyuki Kato | Toyota | 1 |
| #4 | Jun Fukasawa | Seiko Epson | 1 |