HT

Hirofumi Todo

SO Sony: 12 patents #3,691 of 25,231Top 15%
Overall (All Time): #424,028 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7974954 Recording method, recording apparatus, and record medium Kenichiro Aridome, Makoto Yamada 2011-07-05
7657700 Recording device, recording-medium-management method, program of recording-medium-management method, and recording medium recording program of recording-medium-management method Hiroshi Shimono, Junichi Yokota, Ryogo Ito, Fumihiko Kaise, Kunihiko Take +4 more 2010-02-02
7363333 Recording method, recording apparatus, and recording medium Kenichiro Aridome, Makoto Yamada 2008-04-22
7054889 Recording method, recording apparatus, and record medium for recording data corresponding to a hierarchial file system Makoto Yamada 2006-05-30
6732192 Disc recording scheme for enabling quick access to disc data Makoto Yamada 2004-05-04
6256717 Data access controller and data access control method Koji Inoue, Masahiro Shigenobu 2001-07-03
6130866 Error-correcting storage medium reproduction apparatus and method using frames and synchronization patterns Masahiro Shigenobu, Kensuke Fujimoto 2000-10-10
6088775 Data access controller and data access control method Koji Inoue, Masahiro Shigenobu 2000-07-11
6049514 Equipment for transmitting data and method of the same 2000-04-11
5986986 Method for regenerating synchronizing signal by judging whether or not the extracted synchronizing signal includes the second and third window signals Masahiro Shigenobu 1999-11-16
5475436 Sampling rate converting system for converting the sampling rate of a video signal Kazuo Watanabe, Toshio Sarugaku, Masaharu Tokuhara 1995-12-12
5392074 Level detection circuit and ACC circuit employing the level detection circuit Kazuo Watanabe, Takaya Hoshino 1995-02-21