Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6011899 | Packet data system recording time stamps and packet data on tracks formed on a storage medium in synchronism with changes in time stamp values | Tsuyoshi Suzuki, Yasuaki Yamada, Tomoyuki Shindo, Yutaka Tanaka | 2000-01-04 |
| 6011896 | Method of recording various different video signals onto magnetic tape | Seiji Higurashi, Mitsuo Harumatsu | 2000-01-04 |
| 6011665 | Helical scan type information recording device | Seiji Higurashi | 2000-01-04 |
| 6009226 | Recording and reproducing apparatus for packet data | Yoshinobu Tsuji, Mitsuo Harumatsu | 1999-12-28 |
| 5999350 | Recording/reproducing method of digital data and a recording medium | Seiji Higurashi | 1999-12-07 |
| 5991501 | Apparatus and method for recording and reproducing digital signals on first and second areas of a storage medium | Seiji Higurashi, Mitsuo Harumatsu | 1999-11-23 |
| 5963703 | Method and apparatus for recording and reproducing packet data | Seiji Higurashi, Mitsuo Harumatsu | 1999-10-05 |
| 5948118 | Error detection code forming method and apparatus | Seiji Higurashi | 1999-09-07 |
| 5933568 | Method of recording and reproducing digital signals in different signal transmission modes and recording medium therefor | Seiji Higurashi, Mitsuo Harumatsu | 1999-08-03 |
| 5912780 | Magnetic recording and reproducing apparatus | Yasuaki Yamada | 1999-06-15 |
| 5909257 | Apparatus and method of receiving broadcasted digital signal | Tomoyuki Shindo, Yutaka Tanaka | 1999-06-01 |
| 5802081 | Digital information modulating apparatus | — | 1998-09-01 |
| 5757569 | Helical scan type information recording device for digital and analog signals | Seiji Higurashi | 1998-05-26 |
| 5659577 | Apparatus for generating a digital recording signal which avoids the generation of false synchronization bit patterns | — | 1997-08-19 |
| 5633635 | Method of processing code for error checking and code processing circuit | Seiji Higurashi | 1997-05-27 |
| 5537619 | Digital data transmission method and apparatus for transmitting digital data at a high efficiency | Seiji Higurashi | 1996-07-16 |
| 5500679 | Method and apparatus for deriving a video signal corresponding to a standard definition signal from a high definition signal | Seiji Higurashi, Yasuhiko Teranishi, Yasuaki Yamada | 1996-03-19 |