Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6979766 | Stringed instrument neck part variable deformation correcting device | — | 2005-12-27 |
| 6893609 | Bearing material | Akihiro Matsuzaki, Takashi Iwamoto, Yoshio Yamazaki, Katsuhiko Kizawa | 2005-05-17 |
| 6874943 | Antifriction bearing and process for producing outer race for use in antifriction bearing | Katsuhiko Kizawa | 2005-04-05 |
| 6858100 | Rolling bearing | Hisashi Harada, Hajime Tazumi | 2005-02-22 |