Inventor
FUJINAGA MASATAKA
JP15 patents
⚠️ This page may combine multiple inventors who share the name “FUJINAGA MASATAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UBE INDUSTRIES
11 patentsUS6885262B2Apr 26, 2005
Band-pass filter using film bulk acoustic resonator
UBE INDUSTRIES114 citations97
US4444907AApr 24, 1984
Methacrylic acid production catalyst
UBE INDUSTRIES27 citations91
US9085462B2Jul 21, 2015
Silicon nitride powder production method, silicon nitride powder, silicon nitride sintered body and circuit substrate using same
UBE INDUSTRIES8 citations80
US9382477B2Jul 5, 2016
Oxynitride phosphor powder
UBE INDUSTRIES3 citations72
US5827792AOct 27, 1998
Dielectric ceramic composition
UBE INDUSTRIES14 citations72
US10125313B2Nov 13, 2018
Oxynitride phosphor powder and method for producing same
UBE INDUSTRIES3 citations70
US7696845B2Apr 13, 2010
Dielectric filter for base station communication equipment
UBE INDUSTRIES3 citations61
US9758720B2Sep 12, 2017
Oxynitride phosphor powder, silicon nitride powder for production of oxynitride phosphor powder, and production method of oxynitride phosphor powder
UBE INDUSTRIES1 citations51
US9828545B2Nov 28, 2017
(Oxy)nitride phosphor powder and method of producing same
UBE INDUSTRIES1 citations49
US9777215B2Oct 3, 2017
Oxynitride phosphor powder
UBE INDUSTRIES0 citations49
US9708533B2Jul 18, 2017
Wavelength conversion member and light-emitting device employing same
UBE INDUSTRIES0 citations39
FUJINAGA MASATAKA
3 patentsUS9023240B2May 5, 2015
Silicon nitride powder for siliconnitride phosphor, CaAlSiN3 phosphor using same, Sr2Si5N8 phosphor using same, (Sr, Ca)AlSiN3 phosphor using same, La3Si6N11 Phosphor using same, and methods for producing the phosphors
FUJINAGA MASATAKA5 citations70
US9023241B2May 5, 2015
Silicon nitride powder for siliconnitride phosphor, Sr3Al3Si13O2N21 phosphor and β-sialon phosphor both obtained using same, and processes for producing these
FUJINAGA MASATAKA4 citations70
US8974698B2Mar 10, 2015
Production method of sialon-based oxynitride phosphor, and sialon-based oxynitride phosphor
FUJINAGA MASATAKA2 citations60