Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5581214 | Phase-locked loop circuit | — | 1996-12-03 |
| 5459755 | PLL circuit | Naoyuki Kato | 1995-10-17 |
| 5448195 | Semiconductor integrated delay circuit | Koichi Hasegawa | 1995-09-05 |
| 5359241 | ECL circuit | Koichi Hasegawa | 1994-10-25 |