Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11364848 | Item holding structure | Taku Yamaguchi, Maki Yamaguchi, Masanori Yamahata, Kenichi Toyonaga | 2022-06-21 |
| 10632887 | Headrest storage structure | Taku Yamaguchi, Maki Yamaguchi, Atsushi Ito, Kenichi Toyonaga | 2020-04-28 |