Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11800292 | Sound producing device and method of manufacturing sound producing device | Ryo Inoue, Satoru Fujiwara | 2023-10-24 |
| 8234936 | Torque wrench having improved tightening torque measurement value | Shogo Nakata, Kouji Fujita, Masahiko Umekawa, Hiroshi Uchida | 2012-08-07 |
| 7832286 | Torque wrench | Takamichi Nakagawa, Shogo Nakata, Masahiko Umekawa, Kouji Fujita | 2010-11-16 |