Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6334024 | Helical scan data recording apparatus and a helical scan data reproducing apparatus | Takeo Ohishi, Seiji Higurashi | 2001-12-25 |
| 6317557 | Digital signal recording method and apparatus and recording medium therefor | Seiji Higurashi, Takeo Ohishi | 2001-11-13 |
| 6137645 | Method and apparatus for encoding and decoding digital data blocks with improved error correction | — | 2000-10-24 |
| 6134374 | Method and apparatus for processing picture information, and recording medium | Takeo Ohishi | 2000-10-17 |
| 6108148 | Method, device, and medium for recording digital signal | Seiji Higurashi, Takeo Ohishi | 2000-08-22 |
| 6026213 | Digital signal recording method and apparatus and recording medium therefor | Seiji Higurashi, Takeo Ohishi | 2000-02-15 |
| 6011896 | Method of recording various different video signals onto magnetic tape | Seiji Higurashi, Takeo Ohishi | 2000-01-04 |
| 6009226 | Recording and reproducing apparatus for packet data | Yoshinobu Tsuji, Takeo Ohishi | 1999-12-28 |
| 5991501 | Apparatus and method for recording and reproducing digital signals on first and second areas of a storage medium | Seiji Higurashi, Takeo Ohishi | 1999-11-23 |
| 5963703 | Method and apparatus for recording and reproducing packet data | Seiji Higurashi, Takeo Ohishi | 1999-10-05 |
| 5933568 | Method of recording and reproducing digital signals in different signal transmission modes and recording medium therefor | Seiji Higurashi, Takeo Ohishi | 1999-08-03 |
| 5633684 | Image information compression and decompression device | Yasuhiko Teranishi, Seiji Higurashi | 1997-05-27 |
| 5196972 | Cassette loading device for video cassette recorder | Masahiro Matsumaru, Masato Mihara | 1993-03-23 |
| 5032939 | Tape cassette loading system compatible with two different sized cassettes | Masato Mihara, Hiromichi Hirayama, Mitsuhiko Hara | 1991-07-16 |
| 5025331 | Tape casette loading system compatible with two different sized cassettes | Hiromichi Hirayama, Mitsuhiko Hara, Masato Mihara | 1991-06-18 |
| 5012364 | Tape-loading mechanism for a magnetic recording/reproducing apparatus for selective use of tape cassettes of two different sizes | Hiromichi Hirayama, Masato Mihara | 1991-04-30 |
| 4991043 | Tape cassette loading system | Hiromichi Hirayama, Mitsuhiko Hara, Masato Mihara | 1991-02-05 |
| 4972278 | Tape cassette driving system compatible with two cassette types of different sizes | Mitsuhiko Hara, Hiromichi Hirayama, Masato Mihara | 1990-11-20 |
| 4964001 | Magnetic recording/reproducing apparatus for selective use with tape cassettes of two different sizes | Hiromichi Hirayama, Masato Mihara | 1990-10-16 |