Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5613600 | Rotatively-operated electronic component with push switch | Hiroshi Matsui, Tamotsu Yamamoto, Kazuhiro Enokido, Yutaka Yamagishi | 1997-03-25 |
| 5593023 | Rotatively-operated electronic component with push switch | Keiji Kaizaki, Tamotsu Yamamoto, Hiroto Inoue, Hiroshi Matsui | 1997-01-14 |