Inventor
KANAZAWA TAKAKIYO
JP11 patents
⚠️ This page may combine multiple inventors who share the name “KANAZAWA TAKAKIYO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
10 patentsUS6154431ANov 28, 2000
Recording and reproducing apparatus
SONY CORP12 citations82
US6898027B2May 24, 2005
Optical element and manufacturing method for same
SONY CORP9 citations74
US6314076B1Nov 6, 2001
Optical pickup device in recording and/reproducing apparatus
SONY CORP9 citations73
US6272092B1Aug 7, 2001
Recording and reproducing apparatus with lock and release mechanism
SONY CORP8 citations73
US6188661B1Feb 13, 2001
Recording and reproducing apparatus having elevation mechanism
SONY CORP5 citations73
US6046976AApr 4, 2000
Disc cartridge with grooves for a recording and reproducing apparatus
SONY CORP5 citations73
US6021108AFeb 1, 2000
Optical pickup device in recording and/reproducing apparatus
SONY CORP8 citations73
US7064906B2Jun 20, 2006
Optical pickup device with shielding to limit incident or emitted light
SONY CORP2 citations63
US6522621B1Feb 18, 2003
Disc cassette
SONY CORP2 citations62
US7420892B2Sep 2, 2008
Optical head device, and optical recording/reproducing device
SONY CORP1 citations52