Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11224292 | Seat core material | Keiichi Hashimoto, Katsunori HISAMATSU | 2022-01-18 |
| 11052800 | Seat core material | Keiichi Hashimoto, Katsunori HISAMATSU | 2021-07-06 |
| 10893750 | Method for producing seat core material, and seat core material | Motoaki Ueguri, Keiichi Hashimoto | 2021-01-19 |
| 10875436 | Vehicle seat cushion core | Takamitsu Matsumoto | 2020-12-29 |
| 10807507 | Seat core material | Keiichi Hashimoto, Katsunori HISAMATSU | 2020-10-20 |
| 10717370 | Vehicle seat core member | Katsunori HISAMATSU, Keiichi Hashimoto | 2020-07-21 |
| 10391911 | Composite seat core material and vehicular seat element using the composite seat core material | Keiichi Hashimoto, Motoaki Ueguri | 2019-08-27 |
| 10195966 | Seat core member, seat portion, and seat | Motoaki Ueguri, Keiichi Hashimoto | 2019-02-05 |
| 9902098 | Method for manufacturing vehicle seat core member and vehicle seat core member | Motoaki Ueguri, Keiichi Hashimoto | 2018-02-27 |