Inventor · disambiguated record
Youhei Fujishima
Also filed as: FUJISHIMA YOUHEI
3 granted patents·1 pending application·57 citations·filing 2001–2005
68Inventor score
Files withNIKON CORP4
Top patents by PatentIndex Score
4 records- 0191US6788389B2Production method of projection optical systemNIKON CORP·Filed 2002·Granted Sep 7, 2004·47 cites·49 claims
- 0263US6912094B2Projection optical system, a projection exposure apparatus, and a projection exposure methodNIKON CORP·Filed 2001·Granted Jun 28, 2005·10 cites·77 claims
- 0337US7154585B2Projection optical system, exposure apparatus, and device production methodNIKON CORP·Filed 2003·Granted Dec 26, 2006·0 cites·46 claims
- 0434US2008123074A1Projection Optical System, Exposure Equipment and Exposure MethodNIKON CORP·Filed 2005·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →