Issued Patents All Time
Showing 51–75 of 89 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6115202 | Digital signal recording method and recording apparatus for searching each recorded program | Yumi Yoshida | 2000-09-05 |
| 6108148 | Method, device, and medium for recording digital signal | Takeo Ohishi, Mitsuo Harumatsu | 2000-08-22 |
| 6084737 | Magnetic playback system | Yoichi Zenno | 2000-07-04 |
| 6052246 | Method and apparatus for recording digital signals in the form of primary data plus auxiliary information | Yoichi Zenno | 2000-04-18 |
| 6031679 | Magnetic recording/reproducing apparatus capable of reproducing digital data at minimum error rate | — | 2000-02-29 |
| 6026213 | Digital signal recording method and apparatus and recording medium therefor | Takeo Ohishi, Mitsuo Harumatsu | 2000-02-15 |
| 6011896 | Method of recording various different video signals onto magnetic tape | Takeo Ohishi, Mitsuo Harumatsu | 2000-01-04 |
| 6011665 | Helical scan type information recording device | Takeo Ohishi | 2000-01-04 |
| 5999350 | Recording/reproducing method of digital data and a recording medium | Takeo Ohishi | 1999-12-07 |
| 5991501 | Apparatus and method for recording and reproducing digital signals on first and second areas of a storage medium | Takeo Ohishi, Mitsuo Harumatsu | 1999-11-23 |
| 5986833 | Data recording method for recording absolute address data on a tape storage medium | — | 1999-11-16 |
| 5970204 | Method and apparatus for recording time code data | — | 1999-10-19 |
| 5963703 | Method and apparatus for recording and reproducing packet data | Takeo Ohishi, Mitsuo Harumatsu | 1999-10-05 |
| 5948118 | Error detection code forming method and apparatus | Takeo Ohishi | 1999-09-07 |
| 5933568 | Method of recording and reproducing digital signals in different signal transmission modes and recording medium therefor | Takeo Ohishi, Mitsuo Harumatsu | 1999-08-03 |
| 5822140 | Digital address information recording method for recording absolute address together with information signal on recording medium | — | 1998-10-13 |
| 5757569 | Helical scan type information recording device for digital and analog signals | Takeo Ohishi | 1998-05-26 |
| 5751509 | Drum servo system using a PLL with frequency divided reference clock signals as an input | Jin Ogasawara, Tomoyuki Shindo, Tetsuya Suwa | 1998-05-12 |
| 5642457 | Helical scan type magnetic recording and reproducing apparatus | — | 1997-06-24 |
| 5633684 | Image information compression and decompression device | Yasuhiko Teranishi, Mitsuo Harumatsu | 1997-05-27 |
| 5633635 | Method of processing code for error checking and code processing circuit | Takeo Ohishi | 1997-05-27 |
| 5577079 | Phase comparing circuit and PLL circuit | Yoiti Zenno | 1996-11-19 |
| 5559931 | Compression/decompression system which performs an orthogonal transformation in a time direction with respect to picture planes | Tomoyuki Shindou | 1996-09-24 |
| 5552941 | Method of recording/reproducing digital data including recording region allocation | Ohishi Takeo | 1996-09-03 |
| 5537619 | Digital data transmission method and apparatus for transmitting digital data at a high efficiency | Takeo Ohishi | 1996-07-16 |