Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7885158 | Information recording apparatus, recording medium, and information recording method for recording information including characteristic information in correspondence to medium type information | Takao Sawabe, Takeo Tobe, Kazutaka Mitsuki, Hiroyuki Kirikawa, Masanori Nakahara | 2011-02-08 |
| 7839755 | Information recording apparatus and information reproducing apparatus, information recording method and information reproducing method, information recording program and information reproducing program, information recording medium and recording medium | Takao Sawabe | 2010-11-23 |
| 7484093 | Information processor and information processing method | Koichiro Kakutani, Yuji Matsumoto, Yasuyuki Umehara, Takashi Irisawa, Takeshi Nonaka +4 more | 2009-01-27 |
| 7394739 | Method and apparatus for recording/reproducing type information onto/from a plurality of locations on a recording medium, and recording medium having type information recorded thereon at a plurality of locations | Takao Sawabe, Takeo Tobe, Kazutaka Mitsuki, Hiroyuki Kirikawa, Masanori Nakahara | 2008-07-01 |
| 7181298 | Information converting method, information converting apparatus and information reproducing apparatus | Junichi Yoshio, Tetsuya Tenma, Kyota Funamoto | 2007-02-20 |
| 5568456 | Crosstalk Canceler | Hideki Hayashi | 1996-10-22 |
| 5495460 | Optical disk and apparatus for reproducing signal without crosstalk | Yoshimi Tomita | 1996-02-27 |
| 5400312 | Apparatus for and method of reading datas recorded on an optical disc | — | 1995-03-21 |