Dowa Holdings Co., Ltd.

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Clad material and method for producing same
- Patent number 11,876,030
- Issue date Jan 16, 2024
- Dowa Holdings Co., Ltd.
- Tomotsugu Aoyama
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Metal negative electrode, method for fabricating the same and secon...
- Patent number 11,652,204
- Issue date May 16, 2023
- The Doshisha
- Masatsugu Morimitsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Deep ultraviolet LED and method for producing the same
- Patent number 11,309,454
- Issue date Apr 19, 2022
- Marubun Corporation
- Yukio Kashima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Active material composite powder, lithium battery, and method for m...
- Patent number 10,680,245
- Issue date Jun 9, 2020
- Toyota Jidosha Kabushiki Kaisha
- Takayuki Uchiyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Active material composite powder, lithium battery, and method for m...
- Patent number 10,629,911
- Issue date Apr 21, 2020
- Toyota Jidosha Kabushiki Kaisha
- Takayuki Uchiyama
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Active material composite powder, lithium battery, and method for m...
- Patent number 10,581,078
- Issue date Mar 3, 2020
- Toyota Jidosha Kabushiki Kaisha
- Takayuki Uchiyama
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for producing silver nanowires, silver nanowires, and ink us...
- Patent number 10,578,564
- Issue date Mar 3, 2020
- Dowa Holdings Co., Ltd.
- Hirotoshi Saito
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Silver nanowires, method for producing same, and ink
- Patent number 10,391,555
- Issue date Aug 27, 2019
- THE UNIVERSITY OF SHIGA PREFECTURE
- Shohei Ida
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for producing negative electrode active material for lithium...
- Patent number 10,256,464
- Issue date Apr 9, 2019
- TOHOKU UNIVERSITY
- Norihiro Shimoi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Radioactive cesium decontaminator and method of producing the same,...
- Patent number 10,233,099
- Issue date Mar 19, 2019
- The Jikei University
- Yoshihisa Namiki
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for producing silver nanowires, silver nanowires, and ink us...
- Patent number 10,220,441
- Issue date Mar 5, 2019
- Dowa Holdings Co., Ltd.
- Hirotoshi Saito
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Silver nanowire production method
- Patent number 10,213,838
- Issue date Feb 26, 2019
- THE UNIVERSITY OF SHIGA PREFECTURE
- Jeyadevan Balachandran
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Negative electrode active material for lithium ion secondary battery
- Patent number 10,044,033
- Issue date Aug 7, 2018
- TOHOKU UNIVERSITY
- Norihiro Shimoi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Positive-electrode active-material powder and manufacturing method...
- Patent number 9,761,907
- Issue date Sep 12, 2017
- Dowa Holdings Co., Ltd.
- Koji Tanoue
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Lithium—transition metal oxide powder and method of producing the s...
- Patent number 9,761,868
- Issue date Sep 12, 2017
- Dowa Holdings Co., Ltd.
- Akira Nagatomi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Aggregate of radioactive material removing particles and method of...
- Patent number 9,679,670
- Issue date Jun 13, 2017
- The Jikei University
- Yoshihisa Namiki
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Catalyst, method for producing catalyst, and method for producing h...
- Patent number 9,673,465
- Issue date Jun 6, 2017
- OITA UNIVERSITY
- Katsutoshi Nagaoka
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Negative electrode active material for lithium ion secondary batter...
- Patent number 9,634,327
- Issue date Apr 25, 2017
- TOHOKU UNIVERSITY
- Norihiro Shimoi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Field electron emission film, field electron emission device, light...
- Patent number 9,324,556
- Issue date Apr 26, 2016
- TOHOKU UNIVERSITY
- Norihiro Shimoi
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Solder powder and method of producing solder powder
- Patent number 9,132,514
- Issue date Sep 15, 2015
- Dowa Holdings Co., Ltd.
- Yuichi Ishikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Metal recovery method using protonemata of moss plants
- Patent number 8,888,891
- Issue date Nov 18, 2014
- Riken
- Hitoshi Sakakibara
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Group III nitride semiconductor growth substrate, group III nitride...
- Patent number 8,878,189
- Issue date Nov 4, 2014
- Dowa Holdings Co., Ltd.
- Ryuichi Toba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Carbon nanotube and method for producing same
- Patent number 8,858,909
- Issue date Oct 14, 2014
- Dowa Holdings Co., Ltd.
- Yoshinori Sato
- B82 - NANO-TECHNOLOGY
Information Patent Grant
III-nitride semiconductor growth substrate, III-nitride semiconduct...
- Patent number 8,736,025
- Issue date May 27, 2014
- Dowa Electroncs Materials Co., Ltd.
- Ryuichi Toba
- C30 - CRYSTAL GROWTH
Information Patent Grant
Compound, metal extractant, and application of the same
- Patent number 8,557,020
- Issue date Oct 15, 2013
- Dowa Holdings Co., Ltd.
- Fumio Hamada
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Display device with a transparent optical filter
- Patent number RE43924
- Issue date Jan 15, 2013
- Dowa Holdings Co., Ltd.
- Takayuki Sawai
- 349 - Liquid crystal cells, elements and systems
Information Patent Grant
Method for growth of GaN single crystal, method for preparation of...
- Patent number 8,124,504
- Issue date Feb 28, 2012
- Tohoku Techno Arch Co., Ltd.
- Takafumi Yao
- C30 - CRYSTAL GROWTH
Information Patent Grant
Semiconductor substrate fabrication by etching of a peeling layer
- Patent number 8,119,499
- Issue date Feb 21, 2012
- Tohoku Techno Arch Co., Ltd.
- Takafumi Yao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Heat exchanger tube, method of manufacturing heat exchanger tube, a...
- Patent number 7,895,957
- Issue date Mar 1, 2011
- Dowa Holdings Co., Ltd.
- Hirotoshi Inomata
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Method for growth of GaN single crystal, method for preparation of...
- Patent number 7,829,435
- Issue date Nov 9, 2010
- Tohoku Techno Arch Co., Ltd.
- Takafumi Yao
- C30 - CRYSTAL GROWTH

Patents Applicationslast 30 patents

Information Patent Application
SM-FE-N-BASED MAGNETIC POWDER AND METHOD FOR MANUFACTURING SAME
- Publication number 20240371551
- Publication date Nov 7, 2024
- Dowa Holdings Co., Ltd.
- Tomoya YAMADA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
ULTRAVIOLET LIGHT RECEIVING DEVICE
- Publication number 20230040765
- Publication date Feb 9, 2023
- DOWA HOLDINGS Co., Ltd.
- Ryuichi TOBA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
IRON-BASED OXIDE MAGNETIC POWDER AND METHOD FOR PRODUCING SAME
- Publication number 20220375663
- Publication date Nov 24, 2022
- THE UNIVERSITY OF TOKYO
- Shin-ichi OHKOSHI
- B82 - NANO-TECHNOLOGY
Information Patent Application
METAL NEGATIVE ELECTRODE, METHOD FOR FABRICATING THE SAME AND SECON...
- Publication number 20220320488
- Publication date Oct 6, 2022
- THE DOSHISHA
- Masatsugu MORIMITSU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CLAD MATERIAL AND METHOD FOR PRODUCING SAME
- Publication number 20210175147
- Publication date Jun 10, 2021
- Dowa Holdings Co., Ltd.
- Tomotsugu Aoyama
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
DEEP ULTRAVIOLET LED AND METHOD FOR PRODUCING THE SAME
- Publication number 20210036186
- Publication date Feb 4, 2021
- MARUBUN CORPORATION
- Yukio KASHIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR PRODUCING SILVER NANOWIRES, SILVER NANOWIRES, AND INK US...
- Publication number 20190154598
- Publication date May 23, 2019
- Dowa Holdings Co., Ltd.
- Hirotoshi SAITO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SILVER NANOWIRES, METHOD FOR PRODUCING SAME, AND INK
- Publication number 20180272424
- Publication date Sep 27, 2018
- THE UNIVERSITY OF SHIGA PREFECTURE
- Shohei IDA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTER...
- Publication number 20170187037
- Publication date Jun 29, 2017
- Tohoku University
- NORIHIRO SHIMOI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTER...
- Publication number 20170187034
- Publication date Jun 29, 2017
- Tohoku University
- Norihiro SHIMOI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR PRODUCING SILVER NANOWIRES, SILVER NANOWIRES, AND INK US...
- Publication number 20160368049
- Publication date Dec 22, 2016
- Dowa Holdings Co., Ltd.
- Hirotoshi SAITO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
SILVER NANOWIRE PRODUCTION METHOD
- Publication number 20160332234
- Publication date Nov 17, 2016
- THE UNIVERSITY OF SHIGA PREFECTURE
- Jeyadevan BALACHANDRAN
- B82 - NANO-TECHNOLOGY
Information Patent Application
ACTIVE MATERIAL COMPOSITE POWDER, LITHIUM BATTERY, AND METHOD FOR M...
- Publication number 20160211519
- Publication date Jul 21, 2016
- TOYOTA JIDOSHA KABUSHIKI KAISHA
- Takayuki UCHIYAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POSITIVE-ELECTRODE ACTIVE-MATERIAL POWDER AND MANUFACTURING METHOD...
- Publication number 20160093914
- Publication date Mar 31, 2016
- Dowa Holdings Co., Ltd.
- Koji TANOUE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LITHIUM-TRANSITION METAL OXIDE POWDER AND METHOD OF PRODUCING THE S...
- Publication number 20160043391
- Publication date Feb 11, 2016
- Dowa Holdings Co., Ltd.
- Akira NAGATOMI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTER...
- Publication number 20150325853
- Publication date Nov 12, 2015
- Tohoku University
- Norihiro SHIMOI
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
RADIOACTIVE CESIUM DECONTAMINATOR AND METHOD OF PRODUCING THE SAME,...
- Publication number 20150239758
- Publication date Aug 27, 2015
- THE JIKEI UNIVERSITY
- Yoshihisa Namiki
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
FIELD ELECTRON EMISSION FILM, FIELD ELECTRON EMISSION DEVICE, LIGHT...
- Publication number 20150228471
- Publication date Aug 13, 2015
- Tohoku University
- Norihiro Shimoi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CATALYST, METHOD FOR PRODUCING CATALYST, AND METHOD FOR PRODUCING H...
- Publication number 20150171448
- Publication date Jun 18, 2015
- Dowa Holdings Co., Ltd.
- Katsutoshi Nagaoka
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SOLDER POWDER AND METHOD OF PRODUCING SOLDER POWDER
- Publication number 20130244034
- Publication date Sep 19, 2013
- Dowa Holdings Co., Ltd.
- Yuichi Ishikawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
LITHIUM-TRANSITION METAL OXIDE POWDER AND METHOD OF PRODUCING THE S...
- Publication number 20130209890
- Publication date Aug 15, 2013
- Dowa Holdings Co., Ltd.
- Akira Nagatomi
- B82 - NANO-TECHNOLOGY
Information Patent Application
METHOD OF PRODUCING GROUP III NITRIDE SEMICONDUCTOR GROWTH SUBSTRATE
- Publication number 20130137246
- Publication date May 30, 2013
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Ryuichi Toba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CARBON NANOTUBE AND METHOD FOR PRODUCING SAME
- Publication number 20120083408
- Publication date Apr 5, 2012
- Tohoku University
- Yoshinori Sato
- B82 - NANO-TECHNOLOGY
Information Patent Application
METAL RECOVERY METHOD USING PROTONEMATA OF MOSS PLANTS
- Publication number 20120067172
- Publication date Mar 22, 2012
- DOWA HOLDINGS CO., LTD.
- Hitoshi Sakakibara
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
GROUP III NITRIDE SEMICONDUCTOR GROWTH SUBSTRATE, GROUP III NITRIDE...
- Publication number 20120061683
- Publication date Mar 15, 2012
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Ryuichi Toba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
III-NITRIDE SEMICONDUCTOR GROWTH SUBSTRATE, III-NITRIDE SEMICONDUCT...
- Publication number 20110254135
- Publication date Oct 20, 2011
- Dowa Holdings Co., Ltd.
- Ryuichi Toba
- C30 - CRYSTAL GROWTH
Information Patent Application
Heat exchanger tube, method of manufacturing heat exchanger tube, a...
- Publication number 20070157859
- Publication date Jul 12, 2007
- Dowa Holdings Co., Ltd.
- Hirotoshi Inomata
- F22 - STEAM GENERATION

Trademarklast 30 trademarks

Information Trademark
98687386 - DOWA
- Serial number 98687386
- Filing date Aug 7, 2024
- DOWA HOLDINGS CO., LTD.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
97326747 - DOWA
- Serial number 97326747
- Registration number 7140864
- Filing date Mar 23, 2022
- Dowa Holdings Co., Ltd.
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information Trademark
88320231 - DOWA
- Serial number 88320231
- Registration number 6290049
- Filing date Feb 28, 2019
- Dowa Holdings Co., Ltd.
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information Trademark
85955088 - DOWA
- Serial number 85955088
- Registration number 4582835
- Filing date Jun 10, 2013
- Dowa Holdings Co., Ltd.
- 7 - Machines and machine tools
Information Trademark
85720933 - DOWA
- Serial number 85720933
- Registration number 4487055
- Filing date Sep 5, 2012
- Dowa Holdings Co., Ltd.
- 2 - Paints, varnishes, lacquers

Dowa Holdings Co., Ltd.

Organization

Patents Grantslast 30 patents

Clad material and method for producing same

Metal negative electrode, method for fabricating the same and secon...

Deep ultraviolet LED and method for producing the same

Active material composite powder, lithium battery, and method for m...

Active material composite powder, lithium battery, and method for m...

Active material composite powder, lithium battery, and method for m...

Method for producing silver nanowires, silver nanowires, and ink us...

Silver nanowires, method for producing same, and ink

Method for producing negative electrode active material for lithium...

Radioactive cesium decontaminator and method of producing the same,...

Method for producing silver nanowires, silver nanowires, and ink us...

Silver nanowire production method

Negative electrode active material for lithium ion secondary battery

Positive-electrode active-material powder and manufacturing method...

Lithium—transition metal oxide powder and method of producing the s...

Aggregate of radioactive material removing particles and method of...

Catalyst, method for producing catalyst, and method for producing h...

Negative electrode active material for lithium ion secondary batter...

Field electron emission film, field electron emission device, light...

Solder powder and method of producing solder powder

Metal recovery method using protonemata of moss plants

Group III nitride semiconductor growth substrate, group III nitride...

Carbon nanotube and method for producing same

III-nitride semiconductor growth substrate, III-nitride semiconduct...

Compound, metal extractant, and application of the same

Display device with a transparent optical filter

Method for growth of GaN single crystal, method for preparation of...

Semiconductor substrate fabrication by etching of a peeling layer

Heat exchanger tube, method of manufacturing heat exchanger tube, a...

Method for growth of GaN single crystal, method for preparation of...

Patents Applicationslast 30 patents

SM-FE-N-BASED MAGNETIC POWDER AND METHOD FOR MANUFACTURING SAME

ULTRAVIOLET LIGHT RECEIVING DEVICE

IRON-BASED OXIDE MAGNETIC POWDER AND METHOD FOR PRODUCING SAME

METAL NEGATIVE ELECTRODE, METHOD FOR FABRICATING THE SAME AND SECON...

CLAD MATERIAL AND METHOD FOR PRODUCING SAME

DEEP ULTRAVIOLET LED AND METHOD FOR PRODUCING THE SAME

METHOD FOR PRODUCING SILVER NANOWIRES, SILVER NANOWIRES, AND INK US...

SILVER NANOWIRES, METHOD FOR PRODUCING SAME, AND INK

NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTER...

NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTER...

METHOD FOR PRODUCING SILVER NANOWIRES, SILVER NANOWIRES, AND INK US...

SILVER NANOWIRE PRODUCTION METHOD

ACTIVE MATERIAL COMPOSITE POWDER, LITHIUM BATTERY, AND METHOD FOR M...

POSITIVE-ELECTRODE ACTIVE-MATERIAL POWDER AND MANUFACTURING METHOD...

LITHIUM-TRANSITION METAL OXIDE POWDER AND METHOD OF PRODUCING THE S...

NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTER...

RADIOACTIVE CESIUM DECONTAMINATOR AND METHOD OF PRODUCING THE SAME,...

FIELD ELECTRON EMISSION FILM, FIELD ELECTRON EMISSION DEVICE, LIGHT...

CATALYST, METHOD FOR PRODUCING CATALYST, AND METHOD FOR PRODUCING H...

SOLDER POWDER AND METHOD OF PRODUCING SOLDER POWDER

LITHIUM-TRANSITION METAL OXIDE POWDER AND METHOD OF PRODUCING THE S...

METHOD OF PRODUCING GROUP III NITRIDE SEMICONDUCTOR GROWTH SUBSTRATE

CARBON NANOTUBE AND METHOD FOR PRODUCING SAME

METAL RECOVERY METHOD USING PROTONEMATA OF MOSS PLANTS

GROUP III NITRIDE SEMICONDUCTOR GROWTH SUBSTRATE, GROUP III NITRIDE...

III-NITRIDE SEMICONDUCTOR GROWTH SUBSTRATE, III-NITRIDE SEMICONDUCT...

Heat exchanger tube, method of manufacturing heat exchanger tube, a...

Trademarklast 30 trademarks

98687386 - DOWA

97326747 - DOWA

88320231 - DOWA

85955088 - DOWA

85720933 - DOWA