P
PatentIndex
Search
Landscape
Sign in
Inventor
SHINGAI KENTARO
JP
2 patents
Patents
2 patents
US7375919B2
May 20, 2008
Recording and reproducing apparatus
SONY CORP
2 citations
59
US6819529B2
Nov 16, 2004
Head drum device with carbon-containing synthetic resin upper drum and larger diameter intermediate drum
SONY CORP
2 citations
52