Inventor

HIROMATSU TAKAHIRO

JP5 patents

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

HOYA CORP

4 patents

US9746764B2Aug 29, 2017

Mask blank and transfer mask

HOYA CORP2 citations71

US10712652B2Jul 14, 2020

Mask blank having a resist layer, method for manufacturing mask blank having resist layer, and method for manufacturing transfer mask

HOYA CORP1 citations58

US10042247B2Aug 7, 2018

Mask blank, method for manufacturing mask blank and transfer mask

HOYA CORP1 citations50

US9927697B2Mar 27, 2018

Mask blank, method of manufacturing mask blank and method of manufacturing transfer mask

HOYA CORP0 citations49

HASHIMOTO MASAHIRO

1 patent

US8409772B2Apr 2, 2013

Mask blank and method of manufacturing a transfer mask

HASHIMOTO MASAHIRO2 citations60