YM

Yasuaki Maeda

SO Sony: 41 patents #678 of 25,231Top 3%
OP Osaka Prefecture University Public: 1 patents #50 of 165Top 35%
Overall (All Time): #70,933 of 4,157,543Top 2%
43
Patents All Time

Issued Patents All Time

Showing 26–43 of 43 patents

Patent #TitleCo-InventorsDate
5659529 Data encoder Hideki Nagashima 1997-08-19
5559780 Recording apparatus for an optical recording medium Hideki Nagashima 1996-09-24
5553048 Memory control device and reproducing and/or recording apparatus 1996-09-03
5528569 Recording medium and a method and apparatus for recording and reproducing digital data in data clusters and cluster linking sectors on the recording medium Kazuhiko Fujiie 1996-06-18
5519681 Recording medium reproducing apparatus that identifies a channel of reproduced data Hideki Nagashima, Kosuke Nakamura 1996-05-21
5440529 Audio and general digital data recording and/or reproducing apparatus having two interface circuits Masayuki Takezawa 1995-08-08
5410526 Disc reproducing apparatus and disc recording apparatus Kosuke Nakamura 1995-04-25
5363362 Apparatus for reproducing recorded data comprising interleaved clusters and cluster linking sectors Ryo Ando, Hideo Obata, Hideki Nagashima, Tadao Yoshida, Kazuhiko Fujiie +2 more 1994-11-08
5343456 Digital audio signal reproducing apparatus 1994-08-30
5337295 Digital audio signal reproducing apparatus 1994-08-09
5325371 Coding/decoding apparatus Kazuhiko Fujiie 1994-06-28
5243588 Method and apparatus for reading digital data bursts comprising data clusters and cluster linking sectors Ryo Ando, Hideo Obata, Hideki Nagashima, Tadao Yoshida, Kazuhiko Fujiie +2 more 1993-09-07
5237575 Error correction coded digital data reproducing apparatus Yuji Arataki 1993-08-17
5224087 Apparatus for recording compressed digital information to an optical disc Ryo Ando, Hideki Nagashima 1993-06-29
5214631 Disc recording/reproducing apparatus having a servo system capable of successively recording and reproducing tracks on a disc irrespective of turbulence of the servo system due to a disturbance Yuji Arataki, Tadao Yoshida 1993-05-25
5109369 Optical disk drive Ryo Ando, Hideo Obata 1992-04-28
5099464 Magneto optical disk recording apparatus including a plurality of connected recording unit buffer memories 1992-03-24
4996678 Apparatus for rewriting an optical disc while updating its table of contents and without leaving gaps 1991-02-26