Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9758126 | Vehicle child safety seat and shoulder pad | Osamu Nakagawa, Masayuki Sakumoto | 2017-09-12 |
| 9649955 | Vehicle child safety seat | Osamu Nakagawa, Masayuki Sakumoto | 2017-05-16 |
| 9610866 | Vehicle child safety seat and harness cover | Yukihiro Yukita, Osamu Nakagawa, Masayuki Sakumoto | 2017-04-04 |