Inventor
WADA YASUMITSU
JP13 patents
⚠️ This page may combine multiple inventors who share the name “WADA YASUMITSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIONEER CORP
7 patentsUS6586753B2Jul 1, 2003
Electron beam apparatus and electron beam adjusting method
PIONEER CORP19 citations92
US7875866B2Jan 25, 2011
Beam recording apparatus and beam adjustment method
PIONEER CORP2 citations62
US7276692B2Oct 2, 2007
Beam adjusting sample, beam adjusting method and beam adjusting device
PIONEER CORP4 citations62
US6954273B2Oct 11, 2005
Laser-based measuring apparatus for measuring an axial run-out in a cylinder of rotation and method for measuring the same utilizing opposing incident measuring light beams
PIONEER CORP2 citations62
US6930961B2Aug 16, 2005
Grooving apparatus and grooving method
PIONEER CORP6 citations62
US7190664B2Mar 13, 2007
High density optical recording medium and method for reproducing thereof
PIONEER CORP1 citations52
US6996043B2Feb 7, 2006
Optical head apparatus
PIONEER CORP1 citations51
PIONEER ELECTRONIC CORP
6 patentsUS4477699AOct 16, 1984
Mechanical two-way loudspeaker
PIONEER ELECTRONIC CORP63 citations93
US5446722AAug 29, 1995
Information recording apparatus having magnetic shield means
PIONEER ELECTRONIC CORP24 citations91
US4488012ADec 11, 1984
MFB Loudspeaker
PIONEER ELECTRONIC CORP23 citations81
US5319198AJun 7, 1994
Electron beam projection apparatus
PIONEER ELECTRONIC CORP17 citations73
US5281978AJan 25, 1994
Object carriage system
PIONEER ELECTRONIC CORP12 citations72
US4773062ASep 20, 1988
Optical information recording and reproducing apparatus including lens supporting mechanism employing cantilever springs
PIONEER ELECTRONIC CORP12 citations68