Inventor · disambiguated record
Haruhiko Yamagata
Also filed as: YAMAGATA HARUHIKO
2 granted patents·19 citations·filing 1999–2005
58Inventor score
Top patents by PatentIndex Score
2 records- 0159US7217481B2Photomask blank, photomask, methods of manufacturing the same and methods of forming micropatternHOYA CORP·Filed 2005·Granted May 15, 2007·2 cites·16 claims
- 0253US6899979B1Photomask blank, photomask, methods of manufacturing the same, and method of forming micropatternHOYO CORP·Filed 1999·Granted May 31, 2005·17 cites·55 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →