Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9308847 | Lumbar support operation member and vehicle seat | Shinji Arakawa, Akihiro Hayashi, Kozo Yamaura | 2016-04-12 |
| 8973985 | Vehicle seat | Shinji Arakawa, Satoshi Matsuhashi | 2015-03-10 |