Showing 1–15 of 15 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Takaya Hayashi | Sumitomo Electric Industries | 12 |
| 2 | Masayuki Yabuta | Suntory Holdings Limited | 11 |
| 3 | Asashiro Izumi | Ishida Koki Seisakusho | 6 |
| #4 | Tsuneo Takagi | Screen Holdings | 5 |
| #5 | Kanji Tanaka | Toray Industries | 2 |
| #5 | Kazuo Kawashima | Ishida Koki Seisakusho | 2 |
| #5 | Tamio Yokoyama | Kureha | 2 |
| #5 | Hidenori Nakayama | Danaher | 2 |
| #9 | Norihisa Nara | Taiyo Nippon Sanso | 1 |
| #9 | Kiyoshi Takisawa | Kuraray Co. | 1 |
| #9 | Yasuaki Hayami | Sekisui Jushi Kabushiki Kaisha | 1 |
| #9 | Kazuhiro Mizunaga | Omron Tateisi Electronics | 1 |
| #9 | Konosuke Nishida | Unknown | 1 |
| #9 | Koichi Katzoka | Ishida Koki Seisakusho | 1 |
| #9 | Maplo Takama | Ishida Scales Mfg. Co. | 1 |