OU

Osamu Udagawa

SO Sony: 9 patents #4,874 of 25,231Top 20%
Overall (All Time): #586,854 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6785213 Disk drive apparatus, and disk formatting method Yukio Shishido, Shigeki Tsukatani 2004-08-31
6144969 File name conversion Tatsuya Inokuchi, Yasuyoshi Kaneko, Kazuhisa Taira 2000-11-07
6138203 Information processing apparatus and method enabling a write-once recording medium to be utilized as a rewriteable recording medium Tatsuya Inokuchi, Yasuyoshi Kaneko 2000-10-24
6134626 Method and apparatus for recording data using multiple buffers Tatsuya Inokuchi, Shigeki Tsukatani 2000-10-17
5978812 Information processor and method of information processing Tatsuya Inokuchi, Yasuyoshi Kaneko 1999-11-02
5920526 Method for detecting a boundary between recorded and unrecorded areas on an optical disc 1999-07-06
5737289 Data recording apparatus adapted for recording data signals onto an optical recording medium 1998-04-07
5706261 Optical disc device capable of quick search for a boundary between recorded and unrecorded areas 1998-01-06
5563862 Write once optical disc recording apparatus with reduced data error rate because the value of asymmetry is equalized as additional data is recorded thereon 1996-10-08