Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7003273 | Temperature compensating circuit, electronic apparatus and radio unit having temperature compensating function | Taku Hatsukano | 2006-02-21 |
| 6661383 | Helical antenna and portable communication terminal | Minoru Sakurai | 2003-12-09 |
| 5890071 | Radio telephone set with broadcast receiving functions | — | 1999-03-30 |
| 5157711 | Telephone terminal device | — | 1992-10-20 |
| 5111501 | Telephone terminal device having speech recognition unit | — | 1992-05-05 |
| 5073928 | Cordless telephone system having an automatic answering device | — | 1991-12-17 |
| 5050206 | Telephone system responsive to a command incoming during message reproduction | — | 1991-09-17 |
| 4982149 | Electric supply apparatus having means for correcting supply voltage fluctuations | — | 1991-01-01 |
| 4958370 | Control system for a plurality of telephone sets | — | 1990-09-18 |
| 4396957 | Tape control system for use in an automatic program locating system for tape player | Shouichi Ishii | 1983-08-02 |
| 4349848 | Recording circuit | Shoichi Ishii, Taiken Hagiwara | 1982-09-14 |
| 4342056 | Information block locating device | Shouichi Ishii, Akira Morizono | 1982-07-27 |