Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8182305 | Method for manufacturing high pressure discharge lamp | Toshio Yoshizawa, Katsuhiro Okabe, Makoto Ohkahara, Nobuo Fukuda, Shinichi Takemasa | 2012-05-22 |
| 7502294 | Information recording and playback apparatus, content management method, and content management program capable of preventing illegal copying of content | Susumu Senshu | 2009-03-10 |
| 7335084 | Traveling toy and suspension of traveling toy | — | 2008-02-26 |
| 6959141 | Data reproduction apparatus and reproduction method | Takahiro Ichikawa, Takayuki Ishida, Yoshinori Shimizu, Kenji Ogawa | 2005-10-25 |
| 6401228 | Data decoding apparatus and method and data reproduction apparatus | Takahiro Ichikawa, Kazuhiro Yasuda, Satoru Kimura | 2002-06-04 |
| 5917836 | Data decoding apparatus and method and data reproduction apparatus | Takahiro Ichikawa, Kazuhiro Yasuda, Satoru Kimura | 1999-06-29 |
| 5886654 | Apparatus and method for decoding data using flags to indicate decoding errors in data rows and columns | Takahiro Ichikawa, Kazuhiro Yasuda, Tadashi Nakata | 1999-03-23 |
| 5793724 | Optical disk error-correcting code system correlating error correction with sector address | Takahiro Ichikawa, Shozo Masuda, Kazuhiro Yasuda | 1998-08-11 |