Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5315704 | Speech/voiceband data discriminator | Minoru Shinta, Shinichi Aikoh | 1994-05-24 |
| 5235623 | Adaptive transform coding by selecting optimum block lengths according to variatons between successive blocks | Akihiko Sugiyama, Masahiro Iwadare | 1993-08-10 |
| 4942470 | Real time processor for video signals | Ichiro Tamitani | 1990-07-17 |
| 4899301 | Signal processor for rapidly calculating a predetermined calculation a plurality of times to typically carrying out FFT or inverse FFT | Yuichi Kawakami, Hideo Tanaka, Ichiro Kuroda | 1990-02-06 |
| 4862173 | Method and circuit for carrying out forward and inverse quantization by varying a reference step size | — | 1989-08-29 |
| 4835611 | Timing signal generator for a video signal processor | — | 1989-05-30 |
| 4817047 | Processing circuit capable of raising throughput of accumulation | Ichiro Kuroda, Hideo Tanaka, Kyosuke Sugishita | 1989-03-28 |
| 4811268 | Processing circuit capable of raising throughput of accumulation | Yuichi Kawakami | 1989-03-07 |
| 4796218 | Arithmetic circuit capable of executing floating point operation and fixed point operation | Hideo Tanaka | 1989-01-03 |
| 4722068 | Double precision multiplier | Ichiro Kuroda, Hideo Tanaka, Yuichi Kawakami | 1988-01-26 |
| 4700392 | Speech signal detector having adaptive threshold values | Tadaharu Kato | 1987-10-13 |
| 4626828 | Adaptive predictive code conversion method of interrupting prediction and an encoder and a decoder for the method | — | 1986-12-02 |
| 4571737 | Adaptive differential pulse code modulation decoding circuit | Ichiro Kuroda, Tadaharu Kato | 1986-02-18 |
| 4554670 | System and method for ADPCM transmission of speech or like signals | Shinichi Aiko, Rikio Maruta | 1985-11-19 |
| 4395595 | Digital pushbutton signalling receiver | Tadaharu Kato | 1983-07-26 |
| 4379338 | Arithmetic circuit with overflow detection capability | Yuichi Kawakami | 1983-04-05 |
| 4287558 | Sampled data processing system having memory with areas alternately dedicated to data I/O and data processing | — | 1981-09-01 |
| 4215417 | Two-term vector multiplier | — | 1980-07-29 |