Inventor · disambiguated record
Yoshifumi Tokoyoda
Also filed as: TOKIYODA YOSHIFUMI · TOKOYODA YOSHIFUMI
3 granted patents·2 pending applications·175 citations·filing 1994–2009
75Inventor score
Files withNIKON CORP5
Top patents by PatentIndex Score
5 records- 0195US5739898AExposure method and apparatusNIKON CORP·Filed 1994·Granted Apr 14, 1998·150 cites·30 claims
- 0276US7042642B2Diffractive optical elementNIKON CORP·Filed 2003·Granted May 9, 2006·19 cites·16 claims
- 0372US7554733B2Diffractive optical element and method for manufacturing sameNIKON CORP·Filed 2006·Granted Jun 30, 2009·6 cites·11 claims
- 0447US2009273841A1Diffractive optical element and method for manufacturing sameNIKON CORP·Filed 2009·Application pending·0 cites
- 0538US2003161044A1Diffractive optical element and method for manufacturing sameNIKON CORP·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →