Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6621017 | Push-button switch and multiple switch using the same | Shigeru Shibutani, Tetsuo Murakami | 2003-09-16 |
| 6512191 | Push-switch and method for manufacturing the same | Takashi Makino | 2003-01-28 |