Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5418819 | Transmitting apparatus and receiving apparatus based on phase modulation method | Nobuhiko Kawai, Makoto Ishii, Hirokazu Toyota | 1995-05-23 |
| 5327462 | Digital type VSB modulation apparatus | Yasuo Takahashi, Tatsuya Ishikawa, Toshio Aoki, Nobuyuki Miki, Yasuhiro Hashimoto +2 more | 1994-07-05 |
| 5272454 | Digital FM modulator using direct digital synthesizer | Isao Ikai, Yasuhiro Hasimoto, Yoshio Tachioka, Makoto Ishii | 1993-12-21 |