Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6772386 | Digital signal processing method, data recording and reproducing apparatus, and data recording medium that are resistant to burst errors | Kazumi Iwata | 2004-08-03 |
| 6765511 | Method and apparatus for encoding digital data | — | 2004-07-20 |
| 6690308 | Computer program for implementing a modulation method and a demodulation method therefor | — | 2004-02-10 |
| 6686855 | Computer program for encoding digital data | Toshio Kuroiwa | 2004-02-03 |
| 6683922 | Data decoding apparatus and data decoding method | Makoto Itonaga | 2004-01-27 |
| 6670896 | Method and apparatus for modulating and demodulating digital data | — | 2003-12-30 |
| 6661761 | Reproducing apparatus for optical disc recorded in high density | Junichiro Tonami | 2003-12-09 |
| 6653952 | Modulation method, modulation apparatus, demodulation method, demodulation apparatus, information recording medium, information transmission method, and information transmission apparatus | Toshio Kuroiwa, Tsuyoshi Oki | 2003-11-25 |
| 6577255 | Method and apparatus for encoding digital data | Toshio Kuroiwa | 2003-06-10 |
| 6573848 | Modulation system using encoding tables and method therefor | — | 2003-06-03 |
| 6538965 | Optical disc, information recording apparatus and information reproducing apparatus therefor | Masaki Mochizuki | 2003-03-25 |
| 6492920 | Modulation method, modulator, transmission apparatus and recording medium | Tsuyoshi Oki | 2002-12-10 |
| 6477125 | Decoding apparatus | — | 2002-11-05 |
| 6300886 | Four-to-six code table, modulation using same but no merging bit, their application to optical disc recording or playing systems | — | 2001-10-09 |
| 6297753 | Eight-to-fifteen modulation using no merging bit and optical disc recording or reading systems based thereon | — | 2001-10-02 |
| 5282096 | Magnetic recording and playback apparatus | Kazuhiko Morisaki, Hiroshi Nakagawa | 1994-01-25 |
| 4811128 | Digital signal recording and reproducing apparatus having rotary magnetic heads | Tsuyoshi Ono, Yasuhiro Yamada, Kazuo Hikawa, Yasuo Inoue, Fumiaki Ono | 1989-03-07 |
| 4777452 | Bit clock signal generator for use in a digital signal demodulator | Tsuyoshi Ono, Kazuo Hikawa, Takeshi Shimizu | 1988-10-11 |