Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684874 | Ringtrip judging circuit | Tetsuo Yagyu, Takahiro Watai, Hirokazu Tanaka, Tetsuji Funaki | 1997-11-04 |
| 5650652 | Input/output protection circuit and semiconductor device having the same | Toru Mizutani, Osamu Kobayashi | 1997-07-22 |
| 5633939 | Compander circuit | Kazuhiro Kitani, Yuji Segawa | 1997-05-27 |