Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiroyuki Ichikawa | Canon | 132 |
| 2 | Katsuki Aoi | Ngk Spark Plug Co. | 9 |
| 3 | Reiji Yamada | Kabushikikaisha Taiheiseisakusho | 8 |
| #4 | Manabu Okinaka | Ngk Spark Plug Co. | 5 |
| #4 | Shingo Hibino | Menicon Co. | 5 |
| #6 | Hajime Tsuaki | Toshiba | 3 |
| #7 | Kazutaka Inamitsu | Kyb | 2 |