Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6573444 | Music data compression apparatus and method | Takayoshi Yamamoto, Yasufumi Hayashi | 2003-06-03 |
| 4476439 | Level shifting circuit | — | 1984-10-09 |
| 4428010 | Drive mode switching device for magnetic tape recorder/reproducer | Shizuo Ando | 1984-01-24 |
| 4326297 | Noise suppressing device in FM receiver | Yoshiro Sugai | 1982-04-20 |
| 4313090 | Car-mounted audio equipment | — | 1982-01-26 |
| 4301540 | Electronic tuning type receiver with digital to analog converter | Tadashi Ogawa | 1981-11-17 |
| 4263581 | Manual tuning pulse generator | Masanao Okatani, Hiroshi Onishi, Yoshiaki Ishibashi, Hisashi Suganuma, Tomohisa Yokogawa +4 more | 1981-04-21 |
| 4237373 | Magnetic tape running state and tape run amount display device | Masanao Okatani, Hiroshi Onishi, Yoshiaki Ishibashi, Hisashi Suganuma, Tomohisa Yokogawa +4 more | 1980-12-02 |
| 4233505 | Light receiving circuit having fast response time and a stable output waveform | — | 1980-11-11 |
| 4227257 | Power supply circuit for an electronic tuning type receiver with a memory element | — | 1980-10-07 |
| 4225968 | Electronic tuning type receiver having a band display and numerical frequency display | Masanao Okatani, Hiroshi Onishi, Yoshiaki Ishibashi, Hisashi Suganuma, Tomohisa Yokogawa +4 more | 1980-09-30 |
| 4205353 | Combination device having a magnetic recording and reproducing unit and an electronic tuning type receiver | Masanao Okatani, Hiroshi Onishi, Yoshiaki Ishibashi, Hisashi Suganuma, Tomohisa Yokogawa +4 more | 1980-05-27 |
| 4205270 | Station selection indicating device | Masanao Okatani, Hiroshi Onishi, Yoshiaki Ishibashi, Hisashi Suganuma, Tomohisa Yokogawa +4 more | 1980-05-27 |
| 4204169 | Muting circuit in an electronic tuning type receiver | Tomohisa Yokogawa | 1980-05-20 |
| 4196395 | Preset state indicating unit in an electronic tuning type receiver | Masanao Okatani, Hiroshi Onishi, Yoshiaki Ishibashi, Hisashi Suganuma, Tomohisa Yokogawa +4 more | 1980-04-01 |