Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6653572 | Multilayer circuit board | Masayuki Ishiwa, Takeshi Nishimura | 2003-11-25 |
| 6593847 | Planar acoustic converting apparatus | Toshiiku Miyazaki, Masashi Hori, Takeshi Nishimura, Masayuki Ishiwa | 2003-07-15 |