Inventor · disambiguated record
Toshihiro Sasaya
Also filed as: SASAYA TOSHIHIRO
10 granted patents·1 pending application·210 citations·filing 1981–2014
90Inventor score
Top patents by PatentIndex Score
11 records- 0190US6262793B1Method of manufacturing and using correction member to correct aberration in projection exposure apparatusNIKON CORP·Filed 1994·Granted Jul 17, 2001·55 cites·31 claims
- 0277US5805344AProjection optical system and projection exposure apparatusNIKON CORP·Filed 1996·Granted Sep 8, 1998·34 cites·76 claims
- 0374US6958803B2Projection exposure apparatus and method with adjustment of rotationally asymmetric optical characteristicsNIKON CORP·Filed 2003·Granted Oct 25, 2005·10 cites·116 claims
- 0473US5943172AProjection optical system and projection exposure apparatusNIKON CORP·Filed 1997·Granted Aug 24, 1999·34 cites·48 claims
- 0570US5831776AProjection optical system and projection exposure apparatusNIKON CORP·Filed 1997·Granted Nov 3, 1998·38 cites·55 claims
- 0668US4437733AZoom lensNIPPON KOGAKU KK·Filed 1981·Granted Mar 20, 1984·24 cites·10 claims
- 0762US9195033B2Imaging optical system and imaging equipmentSASAYA TOSHIHIRO·Filed 2014·Granted Nov 24, 2015·2 cites·7 claims
- 0850USRE38403EProjection optical system and projection exposure apparatusNIPPON KOGAKU KK·Filed 2000·Granted Jan 27, 2004·2 cites·207 claims
- 0943US4352547AFocusing screen of a cameraNIPPON KOGAKU KK·Filed 1981·Granted Oct 5, 1982·3 cites·9 claims
- 1042US6323938B1Method of characterizing photolithographic tool performance and photolithographic tool thereofNIKON PREC INC·Filed 1998·Granted Nov 27, 2001·8 cites·5 claims
- 1139US2002054282A1Projection exposure apparatusNIKON CORP·Filed 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →