Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12228187 | Friction material composition, friction material and friction member | Yoshio Ogata, Mitsushi Oyanagi | 2025-02-18 |
| 11155733 | Friction material composition, and friction material and friction member each obtained using friction material composition | Yoshio Ogata | 2021-10-26 |
| 10927913 | Frictional material composition, frictional material, and friction member | — | 2021-02-23 |
| 10927912 | Frictional material composition, frictional material, and friction member | — | 2021-02-23 |
| 10677305 | Friction material composition, and friction material and friction member using friction material composition | Mitsuo Unno | 2020-06-09 |
| 10316918 | Non-asbestos friction material composition | Mitsuo Unno, Kazuya Baba, Takashi Kikudome | 2019-06-11 |
| 9470283 | Non-asbestos friction material composition | Mitsuo Unno, Kazuya Baba, Takashi Kikudome | 2016-10-18 |