Showing 1–13 of 13 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hideki Miyazaki | Hitachi | 3 |
| 2 | Shinji Shibata | Toto | 2 |
| 2 | Sugako Otake | Mitsubishi Electric | 2 |
| 2 | Satoshi Tatsumi | Nec | 2 |
| 2 | Hiroshi Kazino | Aoyama Seisakusho Co. | 2 |
| #6 | Tatsuhiro Yoshimura | Okuma | 1 |
| #6 | Yasunobu Miyata | Mitsubishi Motors | 1 |
| #6 | Hiroshi Inagaki | Ngk Spark Plug Co. | 1 |
| #6 | Takahiko ANDO | Mitsubishi Electric | 1 |
| #6 | Hidetaka Fukamachi | Toyoda Gosei Co. | 1 |
| #6 | Shoji Momoi | Yamazaki Mazak | 1 |
| #6 | Akiyoshi Satake | Okuma | 1 |
| #6 | Hiroaki Tanahashi | Tokai Rubber Industries | 1 |