Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8644122 | Header region evaluation circuit, optical disk apparatus, and header region evaluation method | — | 2014-02-04 |
| 8310905 | Wobble signal extracting circuit, method for extracting wobble signal, and optical disk unit | — | 2012-11-13 |
| 8023382 | Information reproduction apparatus and information reproduction method | — | 2011-09-20 |
| 7817528 | Optical disk medium and optical disk apparatus | Yutaka Yamanaka, Chosaku Noda, Hiroharu Satoh, Hideaki Ohsawa | 2010-10-19 |
| 7738326 | Signal processing method of wobble signal, recording and reproducing method of optical disc, optical disc apparatus, program, and recording medium | — | 2010-06-15 |
| 7680235 | VCO circuit, PLL circuit using VCO circuit, and data recording apparatus the PLL circuit | Masaki Sano | 2010-03-16 |
| 7492696 | Optical disk medium and optical disk apparatus | Yutaka Yamanaka, Chosaku Noda, Hiroharu Satoh, Hideaki Ohsawa | 2009-02-17 |
| 7305044 | Data modulation method and apparatus | — | 2007-12-04 |
| 7196984 | Optical disk medium and optical disk recording and reproducing apparatus | Chosaku Noda, Hiroharu Sato, Hideaki Ohsawa, Yutaka Yamanaka, Toshiaki Iwanaga | 2007-03-27 |
| 7072264 | VCO with phase modulated output | Hiromi Honma | 2006-07-04 |
| 6861965 | Code modulating method and code modulating apparatus, demodulating method and demodulating apparatus, and information recording medium | Toshiaki Iwanaga, Chosaku Noda | 2005-03-01 |
| 6341109 | Defective area replacement method and information writing/reading device | — | 2002-01-22 |
| 5561647 | System for detection of readout signals from optical disc | — | 1996-10-01 |