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Katsuhiko Yoshimaru
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Copper powder for conductive paste and conductive paste
Patent number
8,383,015
Issue date
Feb 26, 2013
Mitsui Mining & Smelting Co., Ltd.
Koyu Ota
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Copper powder for conductive paste and conductive paste
Patent number
8,377,338
Issue date
Feb 19, 2013
Mitsui Mining & Smelting Co., Ltd.
Koyu Ota
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Conductive ink
Patent number
8,043,535
Issue date
Oct 25, 2011
Mitsui Mining & Smelting Co., Ltd.
Yoichi Kamikoriyama
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Electrically conductive barium sulfate filler and method for prepar...
Patent number
5,919,518
Issue date
Jul 6, 1999
Mitsui Mining & Smelting Co., Ltd.
Takao Hayashi
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Composite conductive powder and conductive film formed from the powder
Patent number
5,772,924
Issue date
Jun 30, 1998
Mitsui Mining & Smelting Co., Ltd.
Takao Hayashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetite particles and process for production of the same
Patent number
5,733,471
Issue date
Mar 31, 1998
Mitsui Mining & Smelting Co., Ltd.
Masachika Hashiuchi
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Electrically-conductive colorless transparent barium sulfate filler
Patent number
5,698,315
Issue date
Dec 16, 1997
Mitsui Mining & Smelting Co., Ltd.
Takao Hayashi
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Method for preparing electrically-conductive needle-like zinc oxide
Patent number
5,582,771
Issue date
Dec 10, 1996
Mitsui Mining & Smelting Co., Ltd.
Katsuhiko Yoshimaru
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for preparing electrically-conductive zinc oxide
Patent number
5,560,871
Issue date
Oct 1, 1996
Mitsui Mining & Smelting Co., Ltd.
Katsuhiko Yoshimaru
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Ultraviolet screening composited oxide and process for producing th...
Patent number
5,424,055
Issue date
Jun 13, 1995
Mitsui Mining & Smelting Co., Ltd.
Takao Hayashi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
COPPER POWDER FOR CONDUCTIVE PASTE AND CONDUCTIVE PASTE
Publication number
20110095239
Publication date
Apr 28, 2011
Mitsui Mining and Smelting Co., Ltd.
Koyu Ota
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Copper Powder for Conductive Paste and Conductive Paste
Publication number
20110031448
Publication date
Feb 10, 2011
Mitsui Mining and Smelting Co., Ltd.
Koyu Ota
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
HIGHLY CRYSTALLINE SILVER POWDER AND PRODUCTION METHOD OF HIGHLY CR...
Publication number
20090116998
Publication date
May 7, 2009
MITSUIMINING & SMELTING CO., LTD.
Taku Fujimoto
B22 - CASTING POWDER METALLURGY
Information
Patent Application
TIN POWDER, MANUFACTURING METHOD OF TIN POWDER AND CONDUCTIVE PASTE...
Publication number
20090032139
Publication date
Feb 5, 2009
Mitsui Mining and Smelting Co., Ltd.
Takahiko Sakaue
B22 - CASTING POWDER METALLURGY
Information
Patent Application
HIGHLY CRYSTALLINE SILVER POWDER AND METHOD FOR PRODUCING THE SAME
Publication number
20090023007
Publication date
Jan 22, 2009
Mitsui Mining and Smelting Co., Ltd.
Taku Fujimoto
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METHOD FOR PRODUCING NICKEL PARTICLE, NICKEL PARTICLE OBTAINED BY T...
Publication number
20090014694
Publication date
Jan 15, 2009
Mitsui Mining and Smelting Co., Ltd.
Takashi Mukuno
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Conductive Ink
Publication number
20080134936
Publication date
Jun 12, 2008
Mitsui Mining and Smelting Co., Ltd.
Yoichi Kamikoriyama
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Fine Particulate Silver Powder and Production Method Thereof
Publication number
20080138238
Publication date
Jun 12, 2008
Mitsui Mining & Selting Co., Ltd.
Takuya Sasaki
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Nickel-Coated Copper Powder and Method for Producing the Nickel-Coa...
Publication number
20080090092
Publication date
Apr 17, 2008
Mitsui Mining and Smelting Co., Ltd.
Takahiko Sakaue
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Copper-Containing Tin Powder, Method for Producing the Copper-Conta...
Publication number
20080042111
Publication date
Feb 21, 2008
Mitsu Mining & Smelting Co., Ltd
Takahiko Sakaue
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Superfine Copper Powder Slurry and Production Method Thereof
Publication number
20080004358
Publication date
Jan 3, 2008
Mitsui Mining and Smelting Co., Ltd.
Akira Aoki
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Electro Conductive Tin Oxide Powder and Method for Producing the Same
Publication number
20070295938
Publication date
Dec 27, 2007
Mitsui Mining and Smelting Co., Ltd.
Hiroshi Fujii
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Flaky Copper Powder, Method For Producing The Same, And Conductive...
Publication number
20070209475
Publication date
Sep 13, 2007
Mitsui Mining and Smelting Co., Ltd.
Takahiko Sakaue
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Silver Powder Coated With Silver Compound And Method for Producing...
Publication number
20070212564
Publication date
Sep 13, 2007
Mitsui Mining and Smelting Co., Ltd.
Takuya Sasaki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Fine particulate silver powder and production method thereof
Publication number
20070079665
Publication date
Apr 12, 2007
Mitsui Mining and Smelting Co., Ltd.
Takuya Sasaki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Copper flake powder, method for producing copper flake powder, and...
Publication number
20060137488
Publication date
Jun 29, 2006
Mitsui Mining and Smelting Co., Ltd.
Takahiko Sakaue
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Silver powder made of silver particles, each to which fine silver p...
Publication number
20050183543
Publication date
Aug 25, 2005
Mitsui Mining and Smelting Co., Ltd.
Takuya Sasaki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...