Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8864906 | Method for producing silicon wafer | Hidetoshi Kuroki, Yutaka Shiraishi, Masahiro Shibata | 2014-10-21 |
| 4240041 | High-frequency amplifier circuit | Masaru Hashimoto | 1980-12-16 |