Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9758126 | Vehicle child safety seat and shoulder pad | Tetsu Mitsuo, Osamu Nakagawa | 2017-09-12 |
| 9649955 | Vehicle child safety seat | Tetsu Mitsuo, Osamu Nakagawa | 2017-05-16 |
| 9610866 | Vehicle child safety seat and harness cover | Tetsu Mitsuo, Yukihiro Yukita, Osamu Nakagawa | 2017-04-04 |
| 7387336 | Child seat | — | 2008-06-17 |
| 7322648 | Child seat | Osamu Nakagawa | 2008-01-29 |
| 7270373 | Child car seat | — | 2007-09-18 |