Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7283636 | Planar speaker | Takeshi Nishimura, Kenji Iizuka, Masayuki Ishiwa, Shigeo Yamaguchi, Tsutomu Yokoyama +3 more | 2007-10-16 |
| 6810580 | System for forming conductor wire on a substrate board | Shigeo Yamaguchi, Toshio Yamamoto, Toshimitsu Nishiwaki | 2004-11-02 |
| 6665931 | Wiring method for forming conductor wire on a substrate board | Shigeo Yamaguchi, Toshio Yamamoto, Toshimitsu Nishiwaki | 2003-12-23 |