Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12152121 | Vehicle seat core material | Keiichi Hashimoto, Shogo Iwasaki | 2024-11-26 |
| 11224292 | Seat core material | Keiichi Hashimoto, Atsuo Takayama | 2022-01-18 |
| 11052800 | Seat core material | Atsuo Takayama, Keiichi Hashimoto | 2021-07-06 |
| 10807507 | Seat core material | Keiichi Hashimoto, Atsuo Takayama | 2020-10-20 |
| 10717370 | Vehicle seat core member | Atsuo Takayama, Keiichi Hashimoto | 2020-07-21 |
| 10631650 | Core material of vehicular seat cushion | Keiichi Hashimoto | 2020-04-28 |