Inventor
KOJIMA YOSHIAKI
JP12 patents
⚠️ This page may combine multiple inventors who share the name “KOJIMA YOSHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIONEER CORP
7 patentsUS7473910B2Jan 6, 2009
Electron beam lithography apparatus
PIONEER CORP8 citations82
US6414916B1Jul 2, 2002
Recording apparatus of master discs of optical discs
PIONEER CORP17 citations82
US7200095B2Apr 3, 2007
Method and apparatus for measuring a minute pitch
PIONEER CORP8 citations72
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
US6996043B2Feb 7, 2006
Optical head apparatus
PIONEER CORP1 citations51
US7965606B2Jun 21, 2011
Information recording method and information recording apparatus
PIONEER CORP0 citations40
PIONEER ELECTRONIC CORP
3 patentsUS5446722AAug 29, 1995
Information recording apparatus having magnetic shield means
PIONEER ELECTRONIC CORP24 citations91
US5686941ANov 11, 1997
Information recording apparatus having a vacuum system
PIONEER ELECTRONIC CORP8 citations72
US5281978AJan 25, 1994
Object carriage system
PIONEER ELECTRONIC CORP12 citations72