Inventor
YAMAO TAKESHI
JP12 patents
⚠️ This page may combine multiple inventors who share the name “YAMAO TAKESHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UBE INDUSTRIES
7 patentsUS7258818B2Aug 21, 2007
Production method of sialon-based phosphor, and sialon-based phosphor
UBE INDUSTRIES15 citations83
US9085462B2Jul 21, 2015
Silicon nitride powder production method, silicon nitride powder, silicon nitride sintered body and circuit substrate using same
UBE INDUSTRIES8 citations80
US5641434AJun 24, 1997
Silicon nitride powder
UBE INDUSTRIES10 citations72
US5585084ADec 17, 1996
Silicon nitride powder
UBE INDUSTRIES8 citations71
US10399854B2Sep 3, 2019
Silicon nitride powder, silicon nitride sintered body and circuit substrate, and production method for said silicon nitride powder
UBE INDUSTRIES2 citations69
US5595718AJan 21, 1997
Process for producing a crystalline silicon nitride powder
UBE INDUSTRIES2 citations60
US8973888B2Mar 10, 2015
Polycrystalline silicon ingot casting mold and method for producing same, and silicon nitride powder for mold release material for polycrystalline silicon ingot casting mold and slurry containing same
UBE INDUSTRIES0 citations51
YAMAO TAKESHI
3 patentsUS8628687B2Jan 14, 2014
Sialon-based oxynitride phosphor and production method thereof
YAMAO TAKESHI5 citations70
US9022343B2May 5, 2015
Polycrystalline silicon ingot casting mold and method for producing same, and silicon nitride powder for mold release material for polycrystalline silicon ingot casting mold and slurry containing same
YAMAO TAKESHI0 citations46
US8864481B2Oct 21, 2014
Mold for casting polycrystalline silicon ingot, and silicon nitride powder for mold release material thereof, slurry containing silicon nitride powder for mold release layer thereof and mold release material for casting thereof
YAMAO TAKESHI0 citations46