Patents per Year
Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11731764 | Aircraft seat structure | Hisaya Hagiwara, Rei Kigoshi | 2023-08-22 |
| 11655034 | Aircraft seat unit | Hisaya Hagiwara, Ken Kimizuka, Rei Kigoshi, Michio Kinoshita, Manabu Matsumoto +2 more | 2023-05-23 |
| D901197 | Seats for airline passengers | Hisaya Hagiwara, Michio Kinoshita, Manabu Matsumoto, Amon Igari, Yuichi Akutsu | 2020-11-10 |
| D901199 | Seats for airline passengers | Hisaya Hagiwara, Rei Kigoshi | 2020-11-10 |
| D893931 | Seats for airline passengers | Hisaya Hagiwara, Rei Kigoshi | 2020-08-25 |
| D806417 | Seats for aircraft | Sayoko Oda, Satoshi Wada | 2018-01-02 |
| D806416 | Seats for aircraft | Sayoko Oda, Satoshi Wada | 2018-01-02 |