Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9656921 | Friction material composition and friction material | Takuya Kitami, Katsuji Seki | 2017-05-23 |
| 9541144 | Vehicular disc brake rotor and manufacturing method of vehicular disc brake rotor | Katsuji Seki, Takuya TAKADA | 2017-01-10 |