Showing 1–19 of 19 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Haruo Amada | Hitachi | 10 |
| 2 | Yasuo Yatsugake | Hitachi | 9 |
| 3 | Hidetoshi Iwamoto | Hoya | 8 |
| #4 | Yoshikazu Ooshika | Dowa Electronics Materials Co. | 6 |
| #5 | Shigehisa Nozawa | Hitachi High-Technologies | 5 |
| #6 | Akira TOBITA | Doryokuro Kakunenryo Kaihatsu Jigyodan | 3 |
| #6 | Yu YANAKA | Hitachi High-Technologies | 3 |
| #8 | Sumihiro MAEDA | Hitachi High-Technologies | 2 |
| #8 | Haruki Takeda | Tokyo Tanabe Company Limited | 2 |
| #8 | Kiyotaka HORIE | Hitachi High-Technologies | 2 |
| #11 | Fariz bin ABDULRASHID | Hitachi High-Technologies | 1 |
| #11 | Kenji Yumiba | Hitachi High-Technologies | 1 |
| #11 | Kazuhiko KISHIE | Hitachi High-Technologies | 1 |
| #11 | Bin Abdulrashid FARIZ | Hitachi High-Technologies | 1 |
| #11 | Shinichi Fujikura | Eisai | 1 |
| #11 | Kazuo Yomoda | — | 1 |
| #11 | Yosoo Kawabata | Meiho Co. | 1 |
| #11 | Chihiro Kuwabara | Eisai | 1 |
| #11 | Katsutoshi Usuda | Hitachi High-Technologies | 1 |