Inventor
MIZUNO RYUICHIRO
JP11 patents
⚠️ This page may combine multiple inventors who share the name “MIZUNO RYUICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
5 patentsUS6567352B1May 20, 2003
Objective lens driving device and optical disc apparatus using the same
HITACHI LTD14 citations91
US6195314B1Feb 27, 2001
Objective lens driving device and optical disc apparatus using the same
HITACHI LTD25 citations91
US7076791B2Jul 11, 2006
Optical pickup and optical disc apparatus provided with the same
HITACHI LTD15 citations83
US6680883B2Jan 20, 2004
Objective lens driving device and optical disc apparatus using the same
HITACHI LTD9 citations72
US7379397B2May 27, 2008
Optical pickup and optical disc apparatus provided with the same
HITACHI LTD2 citations62
HITACHI MEDIA ELECTRON KK
4 patentsUS7697381B2Apr 13, 2010
Object lens drive unit
HITACHI MEDIA ELECTRON KK5 citations62
US8000183B2Aug 16, 2011
Object lens actuator, optical pickup and optical disk drive
HITACHI MEDIA ELECTRON KK0 citations51
US7975275B2Jul 5, 2011
Object lens actuator and disc drive using the same
HITACHI MEDIA ELECTRON KK0 citations41
US8711666B2Apr 29, 2014
Adhesive structure of optical device, adhesion method, and optical pickup device
HITACHI MEDIA ELECTRON KK0 citations39