Showing 1–23 of 23 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiroaki Umeda | Tatsuta Electric Wire & Cable Co. | 4 |
| 2 | Hayato Mizuno | Kyocera | 3 |
| 2 | Koichi Nakao | Roland | 3 |
| #4 | Reiko Sugiura | Gto | 2 |
| #4 | Toshiaki Kitano | Mitsubishi Electric | 2 |
| #4 | Katsumi Arao | Kyocera | 2 |
| #4 | Yasuhiko Harada | Denso | 2 |
| #8 | Shozo Nishida | Gto | 1 |
| #8 | Tetsuo Kubota | Konica Minolta | 1 |
| #8 | Takayuki MIMA | Kyocera | 1 |
| #8 | Shunsuke Nagata | Kyocera | 1 |
| #8 | Satoru Sadai | — | 1 |
| #8 | Naoki Takashima | Ricoh Company | 1 |
| #8 | Osamu Muraoka | Kinki University | 1 |
| #8 | Yoichi Yano | Yaskawa Electric | 1 |
| #8 | Hideharu Kumagai | Simotec Co. | 1 |
| #8 | Yoshiro Morishita | Ozk Co. | 1 |
| #8 | Kazuaki Nakae | Kyocera | 1 |
| #8 | Yutaka Kurita | — | 1 |
| #8 | Hideo Torii | Sumitomo Electric Industries | 1 |
| #8 | Takayoshi Okano | Toyo Boseki Kabushiki Kaisha | 1 |
| #8 | Masaharu Yano | Tanazawa Hakkosha Co. | 1 |
| #8 | Mikio Houjou | Panasonic | 1 |