Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5185873 | Control system with flag indicating two or less data inputs and counter indicating two or more controlling data driven execution method | Yukihito Maejima, Taihei Suzuki, Toshiaki Yamamoto | 1993-02-09 |
| 4901274 | Method and system for data driven information processing | Yukihito Maejima, Taihei Suzuki, Yoshiaki Tokita, Shirou Tanabe, Takashi Morita | 1990-02-13 |
| 4841521 | Method and system for bidirectionally transmitting data | Eiichi Amada, Hiroshi Takatori, Tohru Kazawa, Toshiro Suzuki, Takanori Miyamoto +1 more | 1989-06-20 |
| 4663759 | Ring back tone transmission system | Takuji Mukaemachi, Taihei Suzuki | 1987-05-05 |
| 4633460 | Time division switching system | Taihei Suzuki, Takashi Morita, Hiroshi Kuwahara, Eiichi Amada | 1986-12-30 |
| 4608464 | Interface circuit interconnecting a bidirectional two-wire line with unidirectional four-wire lines | Yuichi Morikawa, Hirohiko Sato, Eiichi Amada, Toshiro Suzuki, Hiroshi Kuwahara | 1986-08-26 |
| 4603417 | PCM coder and decoder | Kazuo Yamakido | 1986-07-29 |
| 4558185 | Subscriber line interface circuit with complex impedance | Yuichi Morikawa, Kazuo Saito, Eiichi Amada | 1985-12-10 |
| 4543652 | Time-division switching unit | Eiichi Amada, Hiroshi Kuwahara, Taihei Suzuki, Takashi Morita | 1985-09-24 |
| 4276447 | Signal processing apparatus for subscriber circuits | — | 1981-06-30 |
| 4261051 | Time-division-multiplexed exchanger | Makoto Ohnishi | 1981-04-07 |
| 4231022 | Interpolative PCM decoder utilized for .mu.-law and A-law | Hiroshi Kosugi, Hirofumi Inoue | 1980-10-28 |