Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803666 | Semiconductor chip mounting substrate and semiconductor device using the same | Takuya Takahashi, Kazuhiro Yamamoto | 2004-10-12 |
| D457146 | Substrate for a semiconductor element | Kazuhiro Yamamoto | 2002-05-14 |