Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10893750 | Method for producing seat core material, and seat core material | Atsuo Takayama, Keiichi Hashimoto | 2021-01-19 |
| 10391911 | Composite seat core material and vehicular seat element using the composite seat core material | Atsuo Takayama, Keiichi Hashimoto | 2019-08-27 |
| 10195966 | Seat core member, seat portion, and seat | Atsuo Takayama, Keiichi Hashimoto | 2019-02-05 |
| 9902098 | Method for manufacturing vehicle seat core member and vehicle seat core member | Atsuo Takayama, Keiichi Hashimoto | 2018-02-27 |