Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5990841 | Wide-band antenna and tuning method | Yoshio Sakamoto, Makoto Yamaguchi | 1999-11-23 |
| 5954192 | Knob positioning structure | — | 1999-09-21 |
| 4553371 | Coin crimper | — | 1985-11-19 |