Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6634090 | Method of production of series of a tactile contact units and tactile contact unit, and series of tactile contact units and a tactile contact unit produced by using the same method | Toyoshi Fukumura | 2003-10-21 |
| 6608273 | Push switch | Hisashi Watanabe, Koji Sako | 2003-08-19 |