Inventor

YAMAGATA HARUHIKO

JP2 patents

⚠️ This page may combine multiple inventors who share the name “YAMAGATA HARUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HOYO CORP

1 patent

US6899979B1May 31, 2005

Photomask blank, photomask, methods of manufacturing the same, and method of forming micropattern

HOYO CORP17 citations86

HOYA CORP

1 patent

US7217481B2May 15, 2007

Photomask blank, photomask, methods of manufacturing the same and methods of forming micropattern

HOYA CORP2 citations59