Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4718742 | Battery fitting device usable for electronic appliance | Yoshihiro Utoh, Shinichi Shibata | 1988-01-12 |
| 4616764 | Case having snap-on cover | Yoshihiro Utoh, Shinichi Shibata | 1986-10-14 |