Issued Patents All Time
Showing 76–93 of 93 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4660200 | Method and apparatus for processing an error flag of a PCM signal | Hiroo Okamoto | 1987-04-21 |
| 4649542 | Digital signal transmission method providing high error correction capability | Keizo Nishimura, Hiroo Okamoto, Takaharu Noguchi, Takao Arai, Toshifumi Shibuya | 1987-03-10 |
| 4646170 | Method and apparatus for recording and reproducing a digital signal with a stationary head | Hiroo Okamoto, Takao Arai | 1987-02-24 |
| 4646301 | Decoding method and system for doubly-encoded Reed-Solomon codes | Hiroo Okamoto, Hiroyuki Kimura, Takaharu Noguchi, Takao Arai | 1987-02-24 |
| 4622600 | Rotary-head type PCM data recording/reproducing method and apparatus with a redundancy-reduced control data format | Hiroo Okamoto, Takaharu Noguchi, Takao Arai | 1986-11-11 |
| 4617599 | PCM signal recording/reproducing apparatus | Takaharu Noguchi, Takao Arai, Toshifumi Shibuya | 1986-10-14 |
| 4614934 | Digital-to-analog converter device for processing PCM signals of different sampling frequencies | Takaharu Noguchi, Keizo Nishimura, Hiromichi Tanaka, Masami Nishida, Takao Arai | 1986-09-30 |
| 4611335 | Digital data synchronizing circuit | Takao Arai, Takashi Takeuchi, Eiji Okubo, Hiroshi Endoh | 1986-09-09 |
| 4590524 | Multitrack PCM reproducing apparatus | Hiroo Okamoto, Takashi Hoshino, Masami Nishida | 1986-05-20 |
| 4577319 | Error flag processor | Takashi Takeuchi, Keizo Nishimura, Kazumasa Oiso | 1986-03-18 |
| 4570153 | Signal conversion apparatus for use in PCM signal processing system | Takao Arai, Tsutomu Noda | 1986-02-11 |
| 4562549 | Digital player using a pulse width detector | Hiromichi Tanaka, Hiroyuki Kimura, Tsutomu Noda, Takao Arai, Shigeki Inoue | 1985-12-31 |
| 4420775 | Circuit and method for protecting a horizontal synchronous signal | Shigeru Yamazaki, Takao Arai, Takashi Hoshino, Chitoshi Hibino, Harukuni Kobari | 1983-12-13 |
| 4393419 | Synchronizing signal detection protective circuit | Takao Arai, Takashi Hoshino | 1983-07-12 |
| D268671 | Video tape cassette | Toshio Ohya | 1983-04-19 |
| D267797 | Video tape recorder | Mitsuru Inaba | 1983-02-01 |
| RE30670 | Dry planographic printing plate | Yuh Ezumi, Takashi Kubota, Yoichi Shimokawa | 1981-07-07 |
| 4238770 | Vertical synchronizing signal detector circuit | Takao Arai, Takashi Hoshino, Hiroyuki Kimura, Keizo Nishimura | 1980-12-09 |