RK

Ryoichi Kawasaki

SC Sanyo Electric Co.: 11 patents #2 of 774Top 1%
SC Sanyo Optec Design Co.: 11 patents #1 of 17Top 6%
Overall (2011): #2,674 of 364,097Top 1%
11
Patents 2011

Issued Patents 2011

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
8087037 Optical pickup apparatus Hiroyuki Shindo 2011-12-27
8081553 Optical pickup apparatus Tohru Hotta 2011-12-20
8077587 Laser attachment device and optical pick-up device using the same Mitsuhiro Hashimoto 2011-12-13
8054731 Photodetector and optical pickup apparatus Hiroyuki Shindo 2011-11-08
8045428 Optical pickup apparatus Tohru Hotta 2011-10-25
7957234 Optical pickup apparatus Tohru Hotta 2011-06-07
7952980 Optical pickup apparatus Tohru Hotta 2011-05-31
7921437 Optical pick apparatus Hiroyuki Shindo 2011-04-05
7898910 Optical pickup apparatus Tohru Hotta 2011-03-01
7898929 Objective lens, and method of manufacturing the same and optical pickup apparatus Tohru Hotta, Hiroyuki Ichikawa 2011-03-01
7898919 Optical pickup apparatus Shigeki Masaka 2011-03-01