DOWA MINING CO., LTD.

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Tokyo, JP

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Silver powder and method for producing same
- Patent number 8,992,701
- Issue date Mar 31, 2015
- Dowa Mining Co., Ltd.
- Takatoshi Fujino
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Silver powder and method for producing same
- Patent number 8,282,702
- Issue date Oct 9, 2012
- Dowa Mining Co., Ltd.
- Takatoshi Fujino
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Indium oxide powder and method for producing same
- Patent number 7,820,138
- Issue date Oct 26, 2010
- Dowa Mining Co., Ltd.
- Makoto Watanabe
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Heat treatment method and heat treatment apparatus
- Patent number 7,722,728
- Issue date May 25, 2010
- Dowa Mining Co., Ltd.
- Takanori Tsuge
- C21 - METALLURGY OF IRON
Information Patent Grant
Tin-plated product
- Patent number 7,651,785
- Issue date Jan 26, 2010
- Dowa Mining Co., Ltd.
- Hirofumi Takei
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Silver powder and method for producing same
- Patent number 7,641,817
- Issue date Jan 5, 2010
- Dowa Mining Co., Ltd.
- Hiroshi Matsushima
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Battery positive electrode material
- Patent number 7,585,588
- Issue date Sep 8, 2009
- Dowa Mining Co., Ltd.
- Koji Tanoue
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Carburization treatment method
- Patent number 7,575,643
- Issue date Aug 18, 2009
- Dowa Mining Co., Ltd.
- Hisashi Ebihara
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Composite plated product and method for producing same
- Patent number 7,514,022
- Issue date Apr 7, 2009
- Dowa Mining Co., LTD
- Hiroshi Miyazawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Sintered rare earth magnetic alloy wafer surface grinding machine
- Patent number 7,481,698
- Issue date Jan 27, 2009
- Dowa Mining Co., Ltd.
- Kiyoshi Yamada
- B24 - GRINDING POLISHING
Information Patent Grant
Silver powder
- Patent number 7,462,301
- Issue date Dec 9, 2008
- Dowa Mining Co., LTD
- Hiroshi Matsushima
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of forming group-III nitride crystal, layered structure and...
- Patent number 7,445,672
- Issue date Nov 4, 2008
- NGK Insulators, Ltd.
- Tomohiko Shibata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Oxide superconductor current lead and method of manufacturing the s...
- Patent number 7,394,024
- Issue date Jul 1, 2008
- Dowa Mining Co., Ltd.
- Shuichi Kohayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing a composite plated product
- Patent number 7,393,473
- Issue date Jul 1, 2008
- Dowa Mining Co., Ltd.
- Hiroshi Miyazawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Aluminum/ceramic bonding substrate and method for producing same
- Patent number 7,393,596
- Issue date Jul 1, 2008
- Dowa Mining Co., Ltd.
- Hideyo Osanai
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Power module member manufactured by wet treatment, and wet treatmen...
- Patent number 7,387,741
- Issue date Jun 17, 2008
- Dowa Mining Co., Ltd.
- Ken Iyoda
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Circuit board and a power module employing the same
- Patent number 7,368,665
- Issue date May 6, 2008
- Dowa Mining Co., Ltd.
- Masahiro Hara
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Copper base alloy and method for producing same
- Patent number 7,351,372
- Issue date Apr 1, 2008
- Dowa Mining Co., Ltd.
- Yasuo Inohana
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Metal-ceramic circuit board
- Patent number 7,348,493
- Issue date Mar 25, 2008
- Dowa Mining Co., Ltd.
- Hideyo Osanai
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Phosphor mixture and light emitting device using the same
- Patent number 7,345,418
- Issue date Mar 18, 2008
- Dowa Mining Co., Ltd.
- Akira Nagatomi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method for producing metal/ceramic bonding circuit board
- Patent number 7,340,828
- Issue date Mar 11, 2008
- Dowa Mining Co., LTD
- Hideyo Osanai
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Iron nitride magnetic powder and method of producing the powder
- Patent number 7,332,220
- Issue date Feb 19, 2008
- Dowa Mining Co., Ltd.
- Kenji Masada
- G11 - INFORMATION STORAGE
Information Patent Grant
Iron nitride system magnetic powder having good storage stability
- Patent number 7,314,666
- Issue date Jan 1, 2008
- Dowa Mining Co., Ltd.
- Kenji Masada
- G11 - INFORMATION STORAGE
Information Patent Grant
Aluminum/ceramic bonding substrate
- Patent number 7,304,378
- Issue date Dec 4, 2007
- Dowa Mining Co., Ltd.
- Hideyo Osanai
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Insulating substrate boards for semiconductor and power modules
- Patent number 7,276,292
- Issue date Oct 2, 2007
- Dowa Mining Co., Ltd.
- Masahiro Furo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sintered rare earth magnetic alloy wafer and wafer surface growing...
- Patent number 7,273,405
- Issue date Sep 25, 2007
- Dowa Mining Co., Ltd.
- Kiyoshi Yamada
- B24 - GRINDING POLISHING
Information Patent Grant
Phosphor and production method of the same, method of shifting emis...
- Patent number 7,273,568
- Issue date Sep 25, 2007
- Dowa Mining Co., Ltd.
- Akira Nagatomi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Notched compound semiconductor wafer
- Patent number 7,256,478
- Issue date Aug 14, 2007
- Dowa Mining Co., LTD
- Ryuichi Toba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Aluminum/ceramic bonding substrate and method for producing same
- Patent number 7,255,931
- Issue date Aug 14, 2007
- Dowa Mining Co., Ltd.
- Hideyo Osanai
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Metal/ceramic bonding substrate and method for producing same
- Patent number 7,256,353
- Issue date Aug 14, 2007
- Dowa Mining Co., Ltd.
- Hideyo Osanai
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
SILVER POWDER AND METHOD FOR PRODUCING SAME
- Publication number 20120219453
- Publication date Aug 30, 2012
- DOWA MINING CO., LTD.
- Takatoshi Fujino
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD OF FORMING GROUP-III NITRIDE CRYSTAL, LAYERED STRUCTURE AND...
- Publication number 20090017333
- Publication date Jan 15, 2009
- NGK Insulators, Ltd.
- Tomohiko Shibata
- C30 - CRYSTAL GROWTH
Information Patent Application
Power module member manufactured by wet treatment, and wet treatmen...
- Publication number 20080230515
- Publication date Sep 25, 2008
- DOWA MINING CO.,LTD
- Ken Iyoda
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
SILVER POWDER AND METHOD FOR PRODUCING SAME
- Publication number 20070181858
- Publication date Aug 9, 2007
- DOWA MINING CO., LTD.
- Hiroshi Matsushima
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Oxide Superconductor Thick Film and Method for Manufacturing the Same
- Publication number 20070142232
- Publication date Jun 21, 2007
- DOWA MINING CO., LTD.
- Masahiro Kojima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SUBSTRATE FOR FILM GROWTH OF GROUP III NITRIDES, METHOD OF MANUFACT...
- Publication number 20070045662
- Publication date Mar 1, 2007
- DOWA MINING CO., LTD.
- Shigeaki SUMIYA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method of forming group-III nitride crystal, layered structure and...
- Publication number 20070042571
- Publication date Feb 22, 2007
- NGK Insulators, Ltd.
- Tomohiko Shibata
- C30 - CRYSTAL GROWTH
Information Patent Application
Phosphor and phosphor film for electron beam excitation and color d...
- Publication number 20070029525
- Publication date Feb 8, 2007
- DOWA MINING CO., LTD.
- Masahiro Gotoh
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Apparatus, mold, and method for manufacturing metal-ceramic composi...
- Publication number 20070017652
- Publication date Jan 25, 2007
- DOWA MINING CO., LTD.
- Hideyo Osanai
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Composite plated product and method for producing same
- Publication number 20070007497
- Publication date Jan 11, 2007
- DOWA MINING CO., LTD.
- Hiroshi Miyazawa
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Method of manufacturing a metal-ceramic circuit board
- Publication number 20060242826
- Publication date Nov 2, 2006
- DOWA MINING CO., LTD.
- Hideyo Osanai
- B32 - LAYERED PRODUCTS
Information Patent Application
Phosphor and manufacturing method for the same, and light emitting...
- Publication number 20060244356
- Publication date Nov 2, 2006
- DOWA MINING CO., LTD.
- Akira Nagatomi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Heat treatment method and heat treatment apparatus
- Publication number 20060223015
- Publication date Oct 5, 2006
- DOWA MINING CO., LTD.
- Takanori Tsuge
- C21 - METALLURGY OF IRON
Information Patent Application
Phosphor and manufacturing method of the same, and light emitting d...
- Publication number 20060220047
- Publication date Oct 5, 2006
- DOWA MINING CO., LTD.
- Akira Nagatomi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Phosphor and manufacturing method of the same, and light emitting d...
- Publication number 20060220520
- Publication date Oct 5, 2006
- DOWA MINING CO., LTD.
- Kenji Sakane
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Indium oxide powder and method for producing same
- Publication number 20060216224
- Publication date Sep 28, 2006
- DOWA MINING CO., LTD.
- Makoto Watanabe
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Tin-plated product and method for producing same
- Publication number 20060216475
- Publication date Sep 28, 2006
- DOWA MINING CO., LTD.
- Hiroshi Miyazawa
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Phosphor and manufacturing method of the same, and light emitting d...
- Publication number 20060197439
- Publication date Sep 7, 2006
- DOWA MINING CO., LTD.
- Kenji Sakane
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Phosphor mixture and light emitting device
- Publication number 20060197432
- Publication date Sep 7, 2006
- DOWA MINING CO., LTD.
- Akira Nagatomi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Plating device and plating method
- Publication number 20060137987
- Publication date Jun 29, 2006
- DOWA MINING CO., LTD.
- Hiroshi Miyazawa
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Notched compound semiconductor wafer
- Publication number 20060113559
- Publication date Jun 1, 2006
- DOWA MINING CO., LTD.
- Ryuichi Toba
- C30 - CRYSTAL GROWTH
Information Patent Application
Notched compound semiconductor wafer
- Publication number 20060113558
- Publication date Jun 1, 2006
- DOWA MINING CO., LTD.
- Ryuichi Toba
- C30 - CRYSTAL GROWTH
Information Patent Application
Silver powder and method for producing same
- Publication number 20060107791
- Publication date May 25, 2006
- DOWA MINING CO., LTD.
- Takatoshi Fujino
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Metal coated substrate and manufacturing method of the same
- Publication number 20060093838
- Publication date May 4, 2006
- DOWA MINING CO., LTD.
- Shuichi Kohayashi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Phosphor mixture and light emitting device
- Publication number 20060091790
- Publication date May 4, 2006
- DOWA MINING CO., LTD.
- Akira Nagatomi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Oxide superconductor thick film and method for manufacturing the same
- Publication number 20060078670
- Publication date Apr 13, 2006
- DOWA MINING CO., LTD.
- Masahiro Kojima
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Tin-plated product
- Publication number 20060068220
- Publication date Mar 30, 2006
- DOWA MINING CO., LTD.
- Hirofumi Takei
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Phosphor and manufacturing method for the same, and light source
- Publication number 20060065878
- Publication date Mar 30, 2006
- DOWA MINING CO., LTD.
- Kenji Sakane
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Notched compound semiconductor wafer
- Publication number 20060060883
- Publication date Mar 23, 2006
- DOWA MINING CO., LTD.
- Ryuichi Toba
- C30 - CRYSTAL GROWTH
Information Patent Application
Circuit board and a power module employing the same
- Publication number 20060062979
- Publication date Mar 23, 2006
- DOWA MINING CO., LTD.
- Masahiro Hara
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Trademarklast 30 trademarks

Information Trademark
75414369 - DOWA
- Serial number 75414369
- Registration number 2337158
- Filing date Jan 6, 1998
- DOWA MINING CO., LTD.
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information Trademark
75414415 - DOWA
- Serial number 75414415
- Registration number 2498600
- Filing date Jan 6, 1998
- DOWA MINING CO., LTD.
- 2 - Paints, varnishes, lacquers

DOWA MINING CO., LTD.

Organization

Patents Grantslast 30 patents

Silver powder and method for producing same

Silver powder and method for producing same

Indium oxide powder and method for producing same

Heat treatment method and heat treatment apparatus

Tin-plated product

Silver powder and method for producing same

Battery positive electrode material

Carburization treatment method

Composite plated product and method for producing same

Sintered rare earth magnetic alloy wafer surface grinding machine

Silver powder

Method of forming group-III nitride crystal, layered structure and...

Oxide superconductor current lead and method of manufacturing the s...

Method for producing a composite plated product

Aluminum/ceramic bonding substrate and method for producing same

Power module member manufactured by wet treatment, and wet treatmen...

Circuit board and a power module employing the same

Copper base alloy and method for producing same

Metal-ceramic circuit board

Phosphor mixture and light emitting device using the same

Method for producing metal/ceramic bonding circuit board

Iron nitride magnetic powder and method of producing the powder

Iron nitride system magnetic powder having good storage stability

Aluminum/ceramic bonding substrate

Insulating substrate boards for semiconductor and power modules

Sintered rare earth magnetic alloy wafer and wafer surface growing...

Phosphor and production method of the same, method of shifting emis...

Notched compound semiconductor wafer

Aluminum/ceramic bonding substrate and method for producing same

Metal/ceramic bonding substrate and method for producing same

Patents Applicationslast 30 patents

SILVER POWDER AND METHOD FOR PRODUCING SAME

METHOD OF FORMING GROUP-III NITRIDE CRYSTAL, LAYERED STRUCTURE AND...

Power module member manufactured by wet treatment, and wet treatmen...

SILVER POWDER AND METHOD FOR PRODUCING SAME

Oxide Superconductor Thick Film and Method for Manufacturing the Same

SUBSTRATE FOR FILM GROWTH OF GROUP III NITRIDES, METHOD OF MANUFACT...

Method of forming group-III nitride crystal, layered structure and...

Phosphor and phosphor film for electron beam excitation and color d...

Apparatus, mold, and method for manufacturing metal-ceramic composi...

Composite plated product and method for producing same

Method of manufacturing a metal-ceramic circuit board

Phosphor and manufacturing method for the same, and light emitting...

Heat treatment method and heat treatment apparatus

Phosphor and manufacturing method of the same, and light emitting d...

Phosphor and manufacturing method of the same, and light emitting d...

Indium oxide powder and method for producing same

Tin-plated product and method for producing same

Phosphor and manufacturing method of the same, and light emitting d...

Phosphor mixture and light emitting device

Plating device and plating method

Notched compound semiconductor wafer

Notched compound semiconductor wafer

Silver powder and method for producing same

Metal coated substrate and manufacturing method of the same

Phosphor mixture and light emitting device

Oxide superconductor thick film and method for manufacturing the same

Tin-plated product

Phosphor and manufacturing method for the same, and light source

Notched compound semiconductor wafer

Circuit board and a power module employing the same

Trademarklast 30 trademarks

75414369 - DOWA

75414415 - DOWA