YM

Yoshiyasu Masuda

SO Sony: 6 patents #6,793 of 25,231Top 30%
Overall (All Time): #865,431 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
7916600 Optical writing device, optical reading device, recording-medium writing method, including wobble signal evaluation features Takashi Sasaki, Tsunemitsu Takase 2011-03-29
7633847 Recording apparatus and recording method Takashi Sasaki, Munetoshi Moriichi, Mitsuyuki Bamba 2009-12-15
7630285 Optical writing device, optical reading device, recording medium writing method, and recording medium reading method Takashi Sasaki, Tsunemitsu Takase 2009-12-08
7123566 Recording apparatus and recording method Takashi Sasaki, Munetoshi Moriichi, Mitsuyuki Bamba 2006-10-17
6856588 Recording apparatus and recording method Takashi Sasaki, Munetoshi Moriichi, Mitsuyuki Bamba 2005-02-15
6614739 Recording apparatus and recording method Takashi Sasaki, Munetoshi Moriichi, Mitsuyuki Bamba 2003-09-02