Issued Patents All Time
Showing 51–75 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5623344 | Digital video recording device with trick play capability | Frank A. Lane, Joseph E. Augenbraun, Jill MacDonald Boyce, Jack S. Fuhrer, John G. N. Henderson +5 more | 1997-04-22 |
| 5583650 | Digital recording and playback device error correction methods and apparatus for use with trick play data | Frank A. Lane, Jill MacDonald Boyce, Jack S. Fuhrer, John G. N. Henderson, Katsuo Mohri +4 more | 1996-12-10 |
| 5465180 | Method of and apparatus for recording and/or reproducing a current digital video signal and a high-definition digital video signal in a common track format | Nobutaka Amada | 1995-11-07 |
| 5388009 | PCM signal recording method and apparatus capable of adding index code to PCM signal recorded at different transmission rates | Yutaka Nagai, Toshifumi Takeuchi, Takao Arai, Hiroo Okamoto, Shigeyuki Itoh | 1995-02-07 |
| 5341248 | Magnetic recording/reproducing apparatus having head structure for selectively recording/reproducing either of two kinds of signals containing different amounts of information | Nobutaka Amada, Harushige Nakagaki, Takao Arai | 1994-08-23 |
| 5227928 | Magnetic recording/reproducing apparatus which maintains a constant speed relation between a linearly moving tape and a rotationally moving head | Harushige Nakagaki, Masafumi Nakamura, Shouzaburo Sakaguchi, Kenichiro Kawasaki | 1993-07-13 |
| 5189564 | Magnetic recording/reproducing method and apparatus | Nobutaka Amada, Hiroyuki Kimura, Masaharu Kobayashi, Takao Arai, Yasufumi Yumde +1 more | 1993-02-23 |
| 4942487 | Apparatus for recording/reproducing a digital signal at variable speeds | Takao Arai | 1990-07-17 |
| 4912574 | Apparatus for recording digital signal | Masaharu Kobayashi, Takao Arai | 1990-03-27 |
| 4905104 | Rotary head type digital signal recording and/or reproducing apparatus for recording and/or reproducing with a variable speed | Hiroo Okamoto, Masaharu Kobayashi, Taihei Nakama | 1990-02-27 |
| 4843493 | Rotary head type magnetic recording and reproducing apparatus and method of producing tracking control signals therefor | Takashi Furuhata, Yasufumi Yumde, Fujio Okamura, Toshifumi Shibuya, Katsuo Mohri +2 more | 1989-06-27 |
| 4758902 | PCM signal recording and reproducing apparatus including simultaneous error detection/correction | Hiroo Okamoto, Hiroyuki Kimura, Shigeru Yamazaki, Masaharu Kobayashi | 1988-07-19 |
| 4758903 | Apparatus for recording and reproducing video signal and digital signal other than video signal | Hiroyuki Kimura, Masaharu Kobayashi, Yasufumi Yunde, Takao Arai, Nobutaka Amada +1 more | 1988-07-19 |
| 4758907 | Method and apparatus for recording and/or reproducing PCM signals | Hiroo Okamoto, Masaharu Kobayashi | 1988-07-19 |
| 4685004 | Rotary head type PCM recording and reproduction method and system | Hiroaki Takahashi, Masaharu Kobayashi, Toshifumi Shibuya, Takao Arai | 1987-08-04 |
| 4682332 | Method and apparatus for recording digital signals | Hiroo Okamoto, Masaharu Kobayashi, Takao Arai | 1987-07-21 |
| 4677622 | Error correction method and system | Hiroo Okamoto, Masaharu Kobayashi, Keizo Nishimura, Takao Arai, Toshifumi Shibuya | 1987-06-30 |
| 4670796 | Rotary head type PCM recorder | Masaharu Kobayashi, Takao Arai, Michio Masuda, Yasufumi Yumde | 1987-06-02 |
| 4649542 | Digital signal transmission method providing high error correction capability | Keizo Nishimura, Masaharu Kobayashi, Hiroo Okamoto, Takao Arai, Toshifumi Shibuya | 1987-03-10 |
| 4646301 | Decoding method and system for doubly-encoded Reed-Solomon codes | Hiroo Okamoto, Masaharu Kobayashi, Hiroyuki Kimura, Takao Arai | 1987-02-24 |
| 4628373 | Rotating head type magnetic record/reproduce apparatus | Hiroaki Takahashi, Shigeru Yamazaki, Takao Arai | 1986-12-09 |
| 4622600 | Rotary-head type PCM data recording/reproducing method and apparatus with a redundancy-reduced control data format | Hiroo Okamoto, Masaharu Kobayashi, Takao Arai | 1986-11-11 |
| 4617599 | PCM signal recording/reproducing apparatus | Masaharu Kobayashi, Takao Arai, Toshifumi Shibuya | 1986-10-14 |
| 4614934 | Digital-to-analog converter device for processing PCM signals of different sampling frequencies | Masaharu Kobayashi, Keizo Nishimura, Hiromichi Tanaka, Masami Nishida, Takao Arai | 1986-09-30 |
| 4594621 | Rotary head type digital information signal recording and reproducing apparatus and tracking control method therein | Shigeru Yamazaki, Takao Arai | 1986-06-10 |