Showing 1–12 of 12 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Mitsuo Kushino | Nippon Shokubai Co. | 5 |
| 2 | Nobuo Harui | Dainippon Ink And Chemicals | 2 |
| 3 | Makoto Matsushima | Ricoh Company | 1 |
| 3 | Masanobu Yamanaka | Unknown | 1 |
| 3 | Toshio Ogiwara | Anges Mg | 1 |
| 3 | Hiroyuki Hirakawa | Sharp Kabushiki Kaisha | 1 |
| 3 | Ryoichi Noumi | Sumitomo Metal Industries | 1 |
| 3 | Tatsuhisa Shimura | Samsung | 1 |
| 3 | Sugitaka Oteki | Ricoh Company | 1 |
| 3 | Shoichi Fujita | Takeda Chemical Industries | 1 |
| 3 | Taro Mikami | Panasonic | 1 |
| 3 | Kazuhide Nakaniwa | Kumonos | 1 |