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Tadashi Yamaguchi
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Miyagi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for manufacture of a physical quantity detector
Patent number
7,708,051
Issue date
May 4, 2010
YKK Corporation
Tetsuya Katsumi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Conversion sleeve and optical adapter
Patent number
6,872,008
Issue date
Mar 29, 2005
YKK Corporation
Hideki Takeda
G02 - OPTICS
Information
Patent Grant
Optical connector and optical connector ferrule to be used therein
Patent number
6,758,602
Issue date
Jul 6, 2004
YKK Corporation
Tadashi Yamaguchi
G02 - OPTICS
Information
Patent Grant
Method and apparatus for production of cast article having small hole
Patent number
6,508,296
Issue date
Jan 21, 2003
YKK Corporation
Tadashi Yamaguchi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Ferrule having optical fiber incorporated therein as an integral pa...
Patent number
6,435,731
Issue date
Aug 20, 2002
YKK Corporation
Tadashi Yamaguchi
G02 - OPTICS
Information
Patent Grant
Method and apparatus for production of cast article having small hole
Patent number
6,374,899
Issue date
Apr 23, 2002
YKK Corporation
Tadashi Yamaguchi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Catalyst for methanol synthesis and reforming
Patent number
6,114,279
Issue date
Sep 5, 2000
Director General of Agency of Industrial Science and Technology
Hideo Fukui
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Ultrafine particle of quasi-crystalline aluminum alloy and process...
Patent number
5,800,638
Issue date
Sep 1, 1998
Inoue; Akihisa
Katsutoshi Nosaki
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Antibacterial, antifungal aluminum building materials and fixtures...
Patent number
5,753,322
Issue date
May 19, 1998
YKK Corporation
Tadashi Yamaguchi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Ultrafine particles of amorphous metal and method for production th...
Patent number
5,578,108
Issue date
Nov 26, 1996
YKK Corporation
Tadashi Yamaguchi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Composite ultrafine particles of nitrides, method for production an...
Patent number
5,549,951
Issue date
Aug 27, 1996
YKK Corporation
Tadashi Yamaguchi
C30 - CRYSTAL GROWTH
Information
Patent Grant
Deformed ultra fine grains and process for producing same in bulk
Patent number
5,518,522
Issue date
May 21, 1996
Masumoto; Tsuyoshi
Tsuyoshi Masumoto
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Composite ultrafine particles of aluminum nitride and rare earth ni...
Patent number
5,468,697
Issue date
Nov 21, 1995
Yoshida Kogyo K. K.
Tadashi Yamaguchi
C30 - CRYSTAL GROWTH
Information
Patent Grant
High strength structural member and process for producing the same
Patent number
5,436,080
Issue date
Jul 25, 1995
Masumoto; Tsuyoshi
Akihisa Inoue
C30 - CRYSTAL GROWTH
Information
Patent Grant
Hard film of amorphous Ti-Si alloy having fine tin particles
Patent number
5,423,923
Issue date
Jun 13, 1995
Yoshida Kogyo K. K.
Hiroshi Yamagata
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of producing hard film of Ti-Si-N composite material
Patent number
5,405,458
Issue date
Apr 11, 1995
Yoshida Kogyo K. K.
Hiroshi Yamagata
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Permanent magnet material
Patent number
5,362,336
Issue date
Nov 8, 1994
Yoshida Kogyo K. K.
Tadashi Yamaguchi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Magnetically traceable explosives with stability and a method for t...
Patent number
4,537,645
Issue date
Aug 27, 1985
Tohoku Metal Industries, Ltd.
Tadashi Yamaguchi
C06 - EXPLOSIVES MATCHES
Information
Patent Grant
Method for the preparation of magnetically traceable explosives
Patent number
4,455,179
Issue date
Jun 19, 1984
Tohoku Metal Industries, Ltd.
Tadashi Yamaguchi
C06 - EXPLOSIVES MATCHES
Patents Applications
last 30 patents
Information
Patent Application
Method for manufacture of a physical quantity detector
Publication number
20070181222
Publication date
Aug 9, 2007
Tetsuya Katsumi
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Conversion sleeve and optical adapter
Publication number
20030231838
Publication date
Dec 18, 2003
Hideki Takeda
G02 - OPTICS
Information
Patent Application
Optical connector and optical connector ferrule to be used therein
Publication number
20030002817
Publication date
Jan 2, 2003
YKK Corporation
Tadashi Yamaguchi
G02 - OPTICS
Information
Patent Application
Method and apparatus for production of cast article having small hole
Publication number
20020100575
Publication date
Aug 1, 2002
YKK Corporation
Tadashi Yamaguchi
B22 - CASTING POWDER METALLURGY