Showing 1–18 of 18 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yasuhisa Nagayama | Honda Motor Co. | 3 |
| 2 | Norio Uemura | Eagle Industry Co. | 2 |
| 2 | Tsutomu Kawakatsu | Honda Motor Co. | 2 |
| 2 | Yohei Hama | Showa | 2 |
| 2 | Toru Uno | Nippon Shokubai Co. | 2 |
| 2 | Taro Inoue | Hitachi | 2 |
| #7 | Takahiro Kasuga | Showa | 1 |
| #7 | Kunihiro Sakai | Canon | 1 |
| #7 | Kanji Kita | Honda Motor Co. | 1 |
| #7 | Shigekazu Ohtomo | — | 1 |
| #7 | Haruna Kawashima | Canon | 1 |
| #7 | Yoshiya Sugai | Kao | 1 |
| #7 | Yoshimi Usui | Honda Motor Co. | 1 |
| #7 | Akiyo Kameyama | Kao | 1 |
| #7 | Takahiko Saito | Sony | 1 |
| #7 | Satoshi Nakatsuka | Idemitsu Petrochemical Co. | 1 |
| #7 | Masayosi Sato | Bandai Co. | 1 |
| #7 | Miyoko Kawashima | Canon | 1 |