Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6785477 | Optical receiver using variable negative-capacitance circuit | Toru Masuda, Katsuyoshi Washio, Taizo Yoshikawa, Kenichi Ohhata | 2004-08-31 |
| 6521974 | Bipolar transistor and manufacturing method thereof | Katsuya Oda, Masao Kondo, Katsuyoshi Washio, Masamichi Tanabe, Hiromi Shimamoto | 2003-02-18 |
| 6482710 | Bipolar transistor and manufacting method thereof | Katsuya Oda, Masao Kondo, Katsuyoshi Washio, Masamichi Tanabe, Hiromi Shimamoto | 2002-11-19 |
| 5962880 | Heterojunction bipolar transistor | Katsuya Oda, Takahiro Onai, Katsuyoshi Washio | 1999-10-05 |