Inventor
TAKEUCHI MEGUMI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “TAKEUCHI MEGUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOYA CORP
8 patentsUS6335124B1Jan 1, 2002
Phase shift mask and phase shift mask blank
HOYA CORP72 citations96
US5955178ASep 21, 1999
Electro-conductive oxides and electrodes using the same
HOYA CORP50 citations95
US5843341ADec 1, 1998
Electro-conductive oxide electrodes and devices using the same
HOYA CORP57 citations95
US5681671AOct 28, 1997
Electro-conductive oxides and electrodes using the same
HOYA CORP44 citations95
US5622653AApr 22, 1997
Electro-conductive oxides and electrodes using the same
HOYA CORP70 citations95
US6087047AJul 11, 2000
Phase shift mask and phase shift mask blank
HOYA CORP36 citations92
US6395434B1May 28, 2002
Phase shift mask and phase shift mask blank
HOYA CORP8 citations73
US7781125B2Aug 24, 2010
Lithography mask blank
HOYA CORP0 citations41