Inventor
KAWAHARA AKIHIRO
JP14 patents
⚠️ This page may combine multiple inventors who share the name “KAWAHARA AKIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOYA CORP
7 patentsUS9195131B2Nov 24, 2015
Mask blank glass substrate, multilayer reflective film coated substrate, mask blank, mask, and methods of manufacturing the same
HOYA CORP7 citations83
US7592104B2Sep 22, 2009
Mask blank substrate, mask blank, exposure mask, mask blank substrate manufacturing method, and semiconductor manufacturing method
HOYA CORP10 citations82
US6917402B2Jul 12, 2005
Opposite substrate for liquid crystal display panel with particular microlenses and layered light shields, and method of fabricating the same
HOYA CORP12 citations81
US7892708B2Feb 22, 2011
Mask blank substrate, mask blank, exposure mask, mask blank substrate manufacturing method, and semiconductor manufacturing method
HOYA CORP1 citations61
US7745074B2Jun 29, 2010
Mask blank substrate, mask blank, exposure mask, mask blank substrate manufacturing method, and semiconductor manufacturing method
HOYA CORP1 citations61
US9488904B2Nov 8, 2016
Mask blank glass substrate, multilayer reflective film coated substrate, mask blank, mask, and methods of manufacturing the same
HOYA CORP0 citations51
US7635544B2Dec 22, 2009
Transparent substrate for mask blank and mask blank
HOYA CORP0 citations51
NORITAKE CO LTD
3 patentsUS7938940B2May 10, 2011
Support for oxygen separation membrane element and the element using the same
NORITAKE CO LTD2 citations62
US12427566B2Sep 30, 2025
Additively manufactured ceramic core and manufacturing method for the ceramic core
NORITAKE CO LTD0 citations55
US12479124B2Nov 25, 2025
Additive manufactured fired body, and method for manufacturing the additive manufactured fired body
NORITAKE CO LTD0 citations42