Inventor · disambiguated record
Yoshiaki Kojima
Also filed as: KOJIMA YOSHIAKI
12 granted patents·2 pending applications·101 citations·filing 1991–2010
90Inventor score
Top patents by PatentIndex Score
14 records- 0183US7473910B2Electron beam lithography apparatusPIONEER CORP·Filed 2005·Granted Jan 6, 2009·8 cites·13 claims
- 0275US5446722AInformation recording apparatus having magnetic shield meansPIONEER ELECTRONIC CORP·Filed 1993·Granted Aug 29, 1995·24 cites·5 claims
- 0371US7200095B2Method and apparatus for measuring a minute pitchPIONEER CORP·Filed 2003·Granted Apr 3, 2007·8 cites·7 claims
- 0465US8289384B2Electron beam displacement measuring method, electron beam displacement measuring device, and electron beam recording apparatusKOJIMA YOSHIAKI·Filed 2005·Granted Oct 16, 2012·2 cites·3 claims
- 0565US5447969APolyurethane compositionASAHI CHEMICAL IND·Filed 1992·Granted Sep 5, 1995·15 cites·1 claims
- 0662US6414916B1Recording apparatus of master discs of optical discsPIONEER CORP·Filed 1999·Granted Jul 2, 2002·17 cites·8 claims
- 0761US7276692B2Beam adjusting sample, beam adjusting method and beam adjusting devicePIONEER CORP·Filed 2003·Granted Oct 2, 2007·4 cites·12 claims
- 0859US5281978AObject carriage systemPIONEER ELECTRONIC CORP·Filed 1991·Granted Jan 25, 1994·12 cites·3 claims
- 0949US6996043B2Optical head apparatusPIONEER CORP·Filed 2001·Granted Feb 7, 2006·1 cites·7 claims
- 1047US7965606B2Information recording method and information recording apparatusPIONEER CORP·Filed 2010·Granted Jun 21, 2011·0 cites·17 claims
- 1146US5686941AInformation recording apparatus having a vacuum systemPIONEER ELECTRONIC CORP·Filed 1996·Granted Nov 11, 1997·8 cites·6 claims
- 1242US6954273B2Laser-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 beamsPIONEER CORP·Filed 2002·Granted Oct 11, 2005·2 cites·6 claims
- 1338US2010047717A1Method for manufacturing original masterKOJIMA YOSHIAKI·Filed 2006·Application pending·0 cites
- 1432US2007171807A1Information recording method and information recording apparatusPIONEER CORP·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →