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Masahiro Katoh
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Toyama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Molybdenum crucible
Patent number
10,858,759
Issue date
Dec 8, 2020
A.L.M.T. Corp.
Makoto Watanabe
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Heat-resistant alloy and method of manufacturing the same
Patent number
9,970,082
Issue date
May 15, 2018
A.L.M.T. Corp.
Shigekazu Yamazaki
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Mo—Si—B-based alloy powder, metal-material raw material powder, and...
Patent number
9,884,367
Issue date
Feb 6, 2018
A.L.M.T. Corp.
Shigekazu Yamazaki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Crucible for growing sapphire single crystal, and method for produc...
Patent number
9,803,291
Issue date
Oct 31, 2017
A.L.M.T. Corp.
Masahiro Katoh
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Tungsten electrode material and thermionic emission current measuri...
Patent number
9,502,201
Issue date
Nov 22, 2016
A.L.M.T. Corp.
Seiji Nakabayashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Alloy for a lead member of an electric lamp and electrode structure...
Patent number
7,345,426
Issue date
Mar 18, 2008
A.L.M.T. Corporation
Yoshihiro Wada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Coated refractory metal plate having oxide surface layer, and sette...
Patent number
7,332,228
Issue date
Feb 19, 2008
A.L.M.T. Corporation
Yoshitake Fukaya
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Long-life high-pressure discharge lamp and lamp unit using same
Patent number
6,940,228
Issue date
Sep 6, 2005
NEC Corporation
Yasushi Aoki
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
MOLYBDENUM CRUCIBLE
Publication number
20190071793
Publication date
Mar 7, 2019
A.L.M.T. CORP.
Makoto Watanabe
B22 - CASTING POWDER METALLURGY
Information
Patent Application
CRUCIBLE FOR GROWING SAPPHIRE SINGLE CRYSTAL, AND METHOD FOR PRODUC...
Publication number
20150225870
Publication date
Aug 13, 2015
A.L.M.T. CORP.
Masahiro Katoh
C30 - CRYSTAL GROWTH
Information
Patent Application
MO-SI-B-BASED ALLOY POWDER, METAL-MATERIAL RAW MATERIAL POWDER, AND...
Publication number
20140373681
Publication date
Dec 25, 2014
A.L.M.T. Corp.
Shigekazu Yamazaki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
TUNGSTEN ELECTRODE MATERIAL AND THERMIONIC EMISSION CURRENT MEASURI...
Publication number
20110243184
Publication date
Oct 6, 2011
A.L.M.T. Corp.
Seiji Nakabayashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Alloy for a lead member of an electric lamp and electrode structure...
Publication number
20050082984
Publication date
Apr 21, 2005
A.L.M.T. CORP.
Yoshihiro Wada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Coated refractory metal plate having oxide surface layer, and sette...
Publication number
20040166359
Publication date
Aug 26, 2004
A.L.M.T. CORPORATION
Yoshitake Fukaya
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Long-life high-pressure discharge lamp and lamp unit using same
Publication number
20040007979
Publication date
Jan 15, 2004
Yasushi Aoki
H01 - BASIC ELECTRIC ELEMENTS