RK

Ryuji Kusumi

SO Sony: 5 patents #7,785 of 25,231Top 35%
Overall (All Time): #1,018,720 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8230453 Door opening and closing mechanism provided at the front of an apparatus body 2012-07-24
7370338 Disc type recording/reproduction device Yoichiro Mitsumoto, Hideaki Tsutsumi, Yusuke Hirano 2008-05-06
6690528 Recording and reproduction apparatus Seiya Hamabe 2004-02-10
6563667 Cassette deck mechanism for mounting/discharging different size cassettes using a pivoted arm Seiya Hamabe, Morihiro Deura 2003-05-13
5433396 Recording and/or reproducing apparatus having a slider means for braking reel-driving mechanisms Yukiko Narumi 1995-07-18