Issued Patents All Time
Showing 526–550 of 552 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5077721 | Data recording and/or reproducing method and data recording medium | Hiroshi Ogawa | 1991-12-31 |
| 5060221 | Digital data recording/reproduction apparatus | Hiroshi Ogawa | 1991-10-22 |
| 5031181 | Error correction processing apparatus | Shigeru Imura, Takeshi Fukami | 1991-07-09 |
| 5003601 | Speech recognition method and apparatus thereof | Masao Watari, Makoto Akabane, Atsunobu Hiraiwa | 1991-03-26 |
| 4998252 | Method and apparatus for transmitting digital data | Tadao Suzuki, Shunsuke Furukawa, Tsuneo Furuya, Constant P. M. J. Baggen | 1991-03-05 |
| 4975915 | Data transmission and reception apparatus and method | Kentaro Odaka | 1990-12-04 |
| RE33462 | Method and apparatus for transmitting digital data | Tadao Suzuki, Shunsuke Furukawa, Tsuneo Furuya, Constant P. M. J. Baggen | 1990-11-27 |
| 4972417 | PCM data transmitting apparatus and method | Kentaro Odaka | 1990-11-20 |
| 4967403 | Multi-format optical disk and reading device | Hiroshi Ogawa | 1990-10-30 |
| 4964128 | Data transmission method for interleaved data | Hiroshi Ogawa | 1990-10-16 |
| 4910736 | Encoding method and apparatus for recording data with an identification code and an error check code | Masato Tanaka, Takuji Himeno | 1990-03-20 |
| 4907215 | Integral optical recording of product code in data areas | Hiroshi Ogawa, Yoshihiro Tsukamura | 1990-03-06 |
| 4881232 | Method and apparatus for error correction | Shinichi Yamamura | 1989-11-14 |
| 4829497 | Optical disc recording method and apparatus for digital data having a plurality of transmission rates | Tamotsu Yamagami, Shinichi Yamamura | 1989-05-09 |
| 4819236 | Data transmission method suitable for a disc | Shinichi Yamamura, Tamotsu Yamagami | 1989-04-04 |
| 4800549 | Method and apparatus for seeking target address with error check code | Tamotsu Yamagami | 1989-01-24 |
| 4788685 | Apparatus for recording and reproducing data | Tamotsu Yamagami, Shinichi Yamamura | 1988-11-29 |
| 4785451 | Generator for an error correcting code, a decoder therefore, and a method for the same | Shinichi Yamamura | 1988-11-15 |
| 4760576 | Error correction method | — | 1988-07-26 |
| 4750178 | Error correction method | Shinichi Yamamura, Masayuki Arai | 1988-06-07 |
| 4680764 | Method and apparatus for transmitting digital data | Tadao Suzuki, Shunske Furukawa, Tsuneo Furuya, Constant P. M. J. Baggen | 1987-07-14 |
| 4562578 | Method for data transmission | Kentaro Odaka, Yuichi Kojima, Kenji Nakano, Hisayoshi Moriwaki | 1985-12-31 |
| 4546474 | Method of error correction | Kentaro Odaka | 1985-10-08 |
| 4541092 | Method for error correction | Kentaro Odaka | 1985-09-10 |
| 4497058 | Method of error correction | Kentaro Odaka | 1985-01-29 |