Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6582181 | Vehicle seat | Masamitsu Iwatani, Takafumi Hijikata, Kenji Murabayashi, Mineki Ninomiya, Yoshiyuki Miura +3 more | 2003-06-24 |
| 6572172 | Rotating vehicle seat | Mineki Ninomiya, Masamitsu Iwatani, Yoshiyuki Miura, Kenji Murabayashi, Tomoyuki Kuroda +5 more | 2003-06-03 |
| 6543848 | Vehicular turning seat | Yasuo Suga, Masamitsu Iwatani, Hiroyuki Kagei, Takafumi Hijikata, Tadashi Takenoshita +5 more | 2003-04-08 |
| 6416272 | Wheelchair with retractable wheels for conversion to vehicle passenger seat | Masamitsu Iwatani, Takafumi Hijikata, Kenji Murabayashi, Mineki Ninomiya, Yoshiyuki Miura +3 more | 2002-07-09 |