Masahiro Gotoh

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Silicon oxide-coated iron powder, method for producing the same, mo...
- Patent number 12,057,260
- Issue date Aug 6, 2024
- Dowa Electronics Materials Co., Ltd.
- Daisuke Kodama
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Iron powder, silicon oxide coated iron powder,, molded article for...
- Patent number 11,247,265
- Issue date Feb 15, 2022
- Dowa Electronics Materials Co., Ltd.
- Hidenori Yamaji
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Magnetic powder composite, antenna and electronic device, and metho...
- Patent number 11,114,228
- Issue date Sep 7, 2021
- Dowa Electronics Materials Co., Ltd.
- Toshihiko Ueyama
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Fe—Co alloy powder and method for producing the same, and antenna,...
- Patent number 11,103,922
- Issue date Aug 31, 2021
- Dowa Electronics Materials Co., Ltd.
- Masahiro Gotoh
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Magnetic compound and antenna
- Patent number 11,056,257
- Issue date Jul 6, 2021
- Dowa Electronics Materials Co., Ltd.
- Takayuki Yoshida
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Manufacturing method of nitride phosphor or oxynitride phosphor
- Patent number 9,683,168
- Issue date Jun 20, 2017
- Nichia Corporation
- Masahiro Gotoh
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Phosphor for electron beam excitation and color display device usin...
- Patent number RE45640
- Issue date Aug 4, 2015
- Dowa Electronics Materials Co., Ltd.
- Masahiro Gotoh
- 001 -
Information Patent Grant
Phosphor and production method of the same, method of shifting emis...
- Patent number RE44996
- Issue date Jul 8, 2014
- Nichia Corporation
- Akira Nagatomi
- 252 - Compositions
Information Patent Grant
Light emitting device and method for producing same
- Patent number 8,469,760
- Issue date Jun 25, 2013
- Dowa Electronics Materials Co., Ltd.
- Tsukasa Maruyama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Light source having phosphor including divalent, trivalent and tetr...
- Patent number 8,441,180
- Issue date May 14, 2013
- Dowa Electronics Materials Co., Ltd.
- Akira Nagatomi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Phosphor and phosphor film for electron beam excitation and color d...
- Patent number RE44162
- Issue date Apr 23, 2013
- Dowa Electronics Materials Co., Ltd.
- Masahiro Gotoh
- 252 - Compositions
Information Patent Grant
Phosphor, manufacturing method of phosphor sheet and phosphor, and...
- Patent number 8,303,847
- Issue date Nov 6, 2012
- Dowa Electronics Materials Co., Ltd.
- Masahiro Gotoh
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Phosphor and manufacturing method for the same, and light source
- Patent number 8,066,910
- Issue date Nov 29, 2011
- Dowa Electronics Materials Co., Ltd.
- Kenji Sakane
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Light emitting device and method for producing same
- Patent number 7,956,536
- Issue date Jun 7, 2011
- Dowa Electronics Materials Co., Ltd.
- Tsukasa Maruyama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Light source having phosphor including divalent, trivalent and tetr...
- Patent number 7,884,539
- Issue date Feb 8, 2011
- Dowa Electronics Materials Co., Ltd.
- Akira Nagatomi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Light emitting device and method for producing same
- Patent number 7,878,876
- Issue date Feb 1, 2011
- Dowa Electronics Materials Co., Ltd.
- Tsukasa Maruyama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Phosphor and manufacturing method for the same, and light source
- Patent number 7,803,286
- Issue date Sep 28, 2010
- Dowa Electronics Materials Co., Ltd.
- Kenji Sakane
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Phosphor and phosphor film for electron beam excitation and color d...
- Patent number 7,527,748
- Issue date May 5, 2009
- Dowa Electronics Materials Co., Ltd.
- Masahiro Gotoh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Phosphor mixture and light emitting device
- Patent number 7,514,860
- Issue date Apr 7, 2009
- Dowa Electronics Materials Co., Ltd.
- Akira Nagatomi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Phosphor and manufacturing method for the same, and light source
- Patent number 7,476,337
- Issue date Jan 13, 2009
- Dowa Electronics Materials Co., Ltd.
- Kenji Sakane
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Phosphor and manufacturing method for the same, and light source
- Patent number 7,476,338
- Issue date Jan 13, 2009
- Dowa Electronics Materials Co., Ltd.
- Kenji Sakane
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Phosphor mixture and light emitting device
- Patent number 7,477,009
- Issue date Jan 13, 2009
- Dowa Electronics Materials Co., Ltd.
- Akira Nagatomi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light source having phosphor including divalent trivalent and tetra...
- Patent number 7,432,647
- Issue date Oct 7, 2008
- Dowa Electronics Materials Co., Ltd.
- Akira Nagatomi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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
Phosphor and production method of the same and light source and LED...
- Patent number 7,291,289
- Issue date Nov 6, 2007
- Dowa Electronics Materials Co., Ltd.
- Masahiro Gotoh
- H01 - BASIC ELECTRIC ELEMENTS
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
Phosphor, light source and LED
- Patent number 7,252,788
- Issue date Aug 7, 2007
- Dowa Mining Co., Ltd.
- Akira Nagatomi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Phosphor for electron beam excitation and color display device usin...
- Patent number 7,138,756
- Issue date Nov 21, 2006
- Dowa Mining Co., Ltd.
- Masahiro Gotoh
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SUBSTITUTED EPSILON-IRON OXIDE MAGNETIC PARTICLE POWDER, PRODUCTION...
- Publication number 20220162089
- Publication date May 26, 2022
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Tatsuro HORI
- C01 - INORGANIC CHEMISTRY
Information Patent Application
MAGNETOPLUMBITE-TYPE HEXAGONAL CRYSTAL FERRITE MAGNETIC POWDER AND...
- Publication number 20220148775
- Publication date May 12, 2022
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Hidenori Yamaji
- C01 - INORGANIC CHEMISTRY
Information Patent Application
SUBSTITUTION-TYPE EPSILON-IRON OXIDE MAGNETIC PARTICLE POWDER, METH...
- Publication number 20220089456
- Publication date Mar 24, 2022
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Tatsuro HORI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
IRON-BASED OXIDE MAGNETIC POWDER AND PRODUCTION METHOD THEREFOR
- Publication number 20220081319
- Publication date Mar 17, 2022
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Shin-ichi OHKOSHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Fe-Ni ALLOY POWDER, MOLDED BODY FOR INDUCTOR USING SAME, AND INDUCTOR
- Publication number 20210142934
- Publication date May 13, 2021
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Hiroki KANAYA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
SILICON OXIDE-COATED IRON POWDER, METHOD FOR PRODUCING THE SAME, MO...
- Publication number 20210050132
- Publication date Feb 18, 2021
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Daisuke KODAMA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
MAGNETIC MATERIAL, METHOD FOR PRODUCING THE SAME, AND ELECTROMAGNET...
- Publication number 20210012936
- Publication date Jan 14, 2021
- THE UNIVERSITY OF TOKYO
- Shin-ichi OHKOSHI
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Fe-Co ALLOY POWDER, MOLDED BODY FOR INDUCTOR USING SAME, AND INDUCTOR
- Publication number 20200353536
- Publication date Nov 12, 2020
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Hiroki KANAYA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
IRON POWDER, METHOD FOR PRODUCING THE SAME, MOLDED BODY FOR INDUCTO...
- Publication number 20200246867
- Publication date Aug 6, 2020
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Hidenori YAMAJI
- B22 - CASTING POWDER METALLURGY
Information Patent Application
IRON POWDER, METHOD FOR PRODUCING SAME, METHOD FOR PRODUCING PRECUR...
- Publication number 20190210104
- Publication date Jul 11, 2019
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Hidenori YAMAJI
- B22 - CASTING POWDER METALLURGY
Information Patent Application
MAGNETIC COMPOUND AND ANTENNA
- Publication number 20180218814
- Publication date Aug 2, 2018
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Takayuki YOSHIDA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Fe-Co ALLOY POWDER AND METHOD FOR PRODUCING THE SAME, AND ANTENNA,...
- Publication number 20180169752
- Publication date Jun 21, 2018
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Masahiro GOTOH
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
MAGNETIC POWDER COMPOSITE, ANTENNA AND ELECTRONIC DEVICE, AND METHO...
- Publication number 20180151279
- Publication date May 31, 2018
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Toshihiko UEYAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETIC COMPOUND, ANTENNA, AND ELECTRONIC DEVICE
- Publication number 20180033530
- Publication date Feb 1, 2018
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Toshihiko UEYAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETIC COMPONENT, AND SOFT MAGNETIC METAL POWDER USED THEREIN AND...
- Publication number 20160001371
- Publication date Jan 7, 2016
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Kazumasa Ikari
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETIC PART, METAL POWDER USED THEREIN, AND MANUFACTURING METHOD...
- Publication number 20150108392
- Publication date Apr 23, 2015
- DOWA Electronics Material Co., Ltd.
- Masahiro Gotoh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETIC COMPONENT, AND SOFT MAGNETIC METAL POWDER USED THEREIN AND...
- Publication number 20150104664
- Publication date Apr 16, 2015
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Kazumasa Ikari
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Light source having phosphor including divalent, trivalent and tetr...
- Publication number 20110115366
- Publication date May 19, 2011
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Akira Nagatomi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Phosphor and manufacturing method for the same, and light source
- Publication number 20100301272
- Publication date Dec 2, 2010
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Kenji Sakane
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Phosphor and manufacturing method for the same, and light source
- Publication number 20100258766
- Publication date Oct 14, 2010
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Kenji Sakane
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
LIGHT EMITTING DEVICE AND METHOD FOR PRODUCING SAME
- Publication number 20100013375
- Publication date Jan 21, 2010
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Tsukasa Maruyama
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHT EMITTING DEVICE AND METHOD FOR PRODUCING SAME
- Publication number 20100013374
- Publication date Jan 21, 2010
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Tsukasa Maruyama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Phosphor, manufacturing method of phosphor sheet and phosphor, and...
- Publication number 20100001631
- Publication date Jan 7, 2010
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Masahiro Gotoh
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Manufacturing method of nitride phosphor or oxynitride phosphor
- Publication number 20100001234
- Publication date Jan 7, 2010
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Masahiro Gotoh
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Phosphor and manufacturing method for the same, and light source
- Publication number 20090109652
- Publication date Apr 30, 2009
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Kenji Sakane
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Phosphor and manufacturing method for the same, and light source
- Publication number 20090085010
- Publication date Apr 2, 2009
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Kenji Sakane
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Light source having phosphor including divalent, trivalent and tetr...
- Publication number 20080303412
- Publication date Dec 11, 2008
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Akira Nagatomi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
LIGHT EMITTING DEVICE AND METHOD FOR PRODUCING SAME
- Publication number 20070228933
- Publication date Oct 4, 2007
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Tsukasa Maruyama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
LIGHT EMITTING DEVICE AND METHOD FOR PRODUCING SAME
- Publication number 20070228949
- Publication date Oct 4, 2007
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Tsukasa Maruyama
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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

Masahiro Gotoh

Person

Patents Grantslast 30 patents

Silicon oxide-coated iron powder, method for producing the same, mo...

Iron powder, silicon oxide coated iron powder,, molded article for...

Magnetic powder composite, antenna and electronic device, and metho...

Fe—Co alloy powder and method for producing the same, and antenna,...

Magnetic compound and antenna

Manufacturing method of nitride phosphor or oxynitride phosphor

Phosphor for electron beam excitation and color display device usin...

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

Light emitting device and method for producing same

Light source having phosphor including divalent, trivalent and tetr...

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

Phosphor, manufacturing method of phosphor sheet and phosphor, and...

Phosphor and manufacturing method for the same, and light source

Light emitting device and method for producing same

Light source having phosphor including divalent, trivalent and tetr...

Light emitting device and method for producing same

Phosphor and manufacturing method for the same, and light source

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

Phosphor mixture and light emitting device

Phosphor and manufacturing method for the same, and light source

Phosphor and manufacturing method for the same, and light source

Phosphor mixture and light emitting device

Light source having phosphor including divalent trivalent and tetra...

Phosphor mixture and light emitting device using the same

Phosphor and production method of the same and light source and LED...

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

Phosphor, light source and LED

Phosphor for electron beam excitation and color display device usin...

Patents Applicationslast 30 patents

SUBSTITUTED EPSILON-IRON OXIDE MAGNETIC PARTICLE POWDER, PRODUCTION...

MAGNETOPLUMBITE-TYPE HEXAGONAL CRYSTAL FERRITE MAGNETIC POWDER AND...

SUBSTITUTION-TYPE EPSILON-IRON OXIDE MAGNETIC PARTICLE POWDER, METH...

IRON-BASED OXIDE MAGNETIC POWDER AND PRODUCTION METHOD THEREFOR

Fe-Ni ALLOY POWDER, MOLDED BODY FOR INDUCTOR USING SAME, AND INDUCTOR

SILICON OXIDE-COATED IRON POWDER, METHOD FOR PRODUCING THE SAME, MO...

MAGNETIC MATERIAL, METHOD FOR PRODUCING THE SAME, AND ELECTROMAGNET...

Fe-Co ALLOY POWDER, MOLDED BODY FOR INDUCTOR USING SAME, AND INDUCTOR

IRON POWDER, METHOD FOR PRODUCING THE SAME, MOLDED BODY FOR INDUCTO...

IRON POWDER, METHOD FOR PRODUCING SAME, METHOD FOR PRODUCING PRECUR...

MAGNETIC COMPOUND AND ANTENNA

Fe-Co ALLOY POWDER AND METHOD FOR PRODUCING THE SAME, AND ANTENNA,...

MAGNETIC POWDER COMPOSITE, ANTENNA AND ELECTRONIC DEVICE, AND METHO...

MAGNETIC COMPOUND, ANTENNA, AND ELECTRONIC DEVICE

MAGNETIC COMPONENT, AND SOFT MAGNETIC METAL POWDER USED THEREIN AND...

MAGNETIC PART, METAL POWDER USED THEREIN, AND MANUFACTURING METHOD...

MAGNETIC COMPONENT, AND SOFT MAGNETIC METAL POWDER USED THEREIN AND...

Light source having phosphor including divalent, trivalent and tetr...

Phosphor and manufacturing method for the same, and light source

Phosphor and manufacturing method for the same, and light source

LIGHT EMITTING DEVICE AND METHOD FOR PRODUCING SAME

LIGHT EMITTING DEVICE AND METHOD FOR PRODUCING SAME

Phosphor, manufacturing method of phosphor sheet and phosphor, and...

Manufacturing method of nitride phosphor or oxynitride phosphor

Phosphor and manufacturing method for the same, and light source

Phosphor and manufacturing method for the same, and light source

Light source having phosphor including divalent, trivalent and tetr...

LIGHT EMITTING DEVICE AND METHOD FOR PRODUCING SAME

LIGHT EMITTING DEVICE AND METHOD FOR PRODUCING SAME

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