Showing 1–22 of 22 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiroya Miyazaki | Nsk | 46 |
| 2 | Shuji Hashimoto | Pfu Limited | 24 |
| 3 | Ryozo Matsumoto | Kohan Kogyo Co. | 8 |
| #4 | Ietatsu Ohno | — | 6 |
| #4 | Nobuyuki Matsukuma | Asahi Yukizai | 6 |
| #6 | Sunao Yamada | Dai Nippon Toryo Co. | 4 |
| #6 | Hironori Minami | Nec | 4 |
| #8 | Kouhei Tou | Geo Technical Laboratory Co. | 3 |
| #9 | Toshiharu KONOMI | Sumitomo Electric Industries | 2 |
| #9 | Tetatsu Ohno | — | 2 |
| #9 | Shinichi Tsumori | Sumitomo Electric Industries | 2 |
| #9 | Mituya Shimoda | Shimadzu | 2 |
| #9 | Tuyoshi Nakamura | Sumitomo Electric Industries | 2 |
| #14 | Masanori Miyazaki | — | 1 |
| #14 | Michiko Nonaka | Suntory Holdings Limited | 1 |
| #14 | Masaharu Kusuhara | Showa Manufacturing Co. | 1 |
| #14 | Hatsuichi Matsumoto | — | 1 |
| #14 | Tetsuya Irie | — | 1 |
| #14 | Kentarou KIYA | Unicharm | 1 |
| #14 | Takahiro Hashi | — | 1 |
| #14 | Saeko Hashi | — | 1 |
| #14 | Youhichiro Aoyagi | — | 1 |