Inventor
SHIBATA KEIICHI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “SHIBATA KEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
11 patentsUS5535059AJul 9, 1996
Objective lens drive device and coil bobbin thereof
SONY CORP22 citations91
US6358644B1Mar 19, 2002
Non-aqueous electolyte cell
SONY CORP36 citations89
US7343610B2Mar 11, 2008
Chucking mechanism for disc recording medium and disc drive with such chucking mechanism
SONY CORP17 citations83
US6512656B1Jan 28, 2003
Recording and/or reproducing apparatus for a magnetic tape
SONY CORP7 citations73
US5684645ANov 4, 1997
Lens moving apparatus preventing resonance without using yoke bridge and counterweight
SONY CORP12 citations72
US5657172AAug 12, 1997
Objective lens driving device
SONY CORP16 citations72
US5521762AMay 28, 1996
Method for producing an objective lens actuator having elastic supports
SONY CORP16 citations72
US5519677AMay 21, 1996
Biaxial actuator for driving an objective lens in both focusing and tracking directions
SONY CORP12 citations70
US5805360ASep 8, 1998
Objective lens drive device
SONY CORP2 citations61
US10812195B2Oct 20, 2020
Optical communication device
SONY CORP0 citations50
US6223798B1May 1, 2001
Head chip mounting apparatus
SONY CORP1 citations48