Showing 1–26 of 26 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Takashi Kunihiro | Takara Co. | 5 |
| 2 | Yoshiyuki Takamura | Hitachi | 3 |
| 3 | Katsuyuki Terada | Hitachi | 2 |
| 3 | Toshiharu Matsuda | Hitachi | 2 |
| #5 | Tokinobu Furukawa | Hitachi | 1 |
| #5 | Hiroshi Higaki | Hitachi | 1 |
| #5 | Yasuji Kida | Tokuyama Soda | 1 |
| #5 | Michio Sebata | Hitachi | 1 |
| #5 | Kazuo Someya | Hitachi | 1 |
| #5 | Yoshinao Okumoto | Hitachi | 1 |
| #5 | Yasuzo Sakakibara | Idemitsu Petrochemical Co. | 1 |
| #5 | Hiromi Go | Hitachi | 1 |
| #5 | Yukio Kaneyuki | Hitachi | 1 |
| #5 | Ryohei Ishige | Hitachi | 1 |
| #5 | Katsuhisa Yamanaka | Hitachi | 1 |
| #5 | Katsutoshi Yoshimoto | Tokuyama Soda | 1 |
| #5 | Hirohiko Shindoh | Hitachi | 1 |
| #5 | Masahiko Ishibe | Hitachi | 1 |
| #5 | Hisashi Tani | Kanzaki Paper Manufacturing Co. | 1 |
| #5 | Kazuo Hatakeyama | Kabushiki Kaisha Toshiba | 1 |
| #5 | Norio Nakazato | Hitachi | 1 |
| #5 | Tsunehiko Tsubone | Hitachi | 1 |
| #5 | Fumio Shibata | Hitachi | 1 |
| #5 | Michifumi Takeichi | Hitachi | 1 |
| #5 | Hironobu Kawahara | Hitachi | 1 |
| #5 | Hideaki Kamohara | Hitachi | 1 |