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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Composite particles and method for producing composite particles
Patent number
12,163,032
Issue date
Dec 10, 2024
Nisshin Engineering Inc.
Shu Watanabe
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Copper microparticles
Patent number
11,798,707
Issue date
Oct 24, 2023
Nisshin Engineering Inc.
Shu Watanabe
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Silver fine particle production method and silver fine particles
Patent number
11,691,200
Issue date
Jul 4, 2023
Nisshin Engineering Inc.
Shu Watanabe
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Composite particles comprising TiN powder and method for producing...
Patent number
11,479,674
Issue date
Oct 25, 2022
Nisshin Engineering Inc.
Keitaroh Nakamura
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Powder classifying apparatus
Patent number
11,154,907
Issue date
Oct 26, 2021
Nisshin Seifun Group Inc.
Kenji Jikihara
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Method of producing sub-stoichiometric titanium oxide fine particles
Patent number
10,486,981
Issue date
Nov 26, 2019
Nisshin Engineering Inc.
Akihiro Kinoshita
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Mixing apparatus for mixing powder having liquid repellent property...
Patent number
10,413,873
Issue date
Sep 17, 2019
Nisshin Engineering Inc.
Akihiko Ema
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Silver nanoparticles
Patent number
10,144,060
Issue date
Dec 4, 2018
Nisshin Engineering Inc.
Shu Watanabe
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for manufacturing magnetic particles from a silicon oxide-ir...
Patent number
10,128,031
Issue date
Nov 13, 2018
Nisshin Seifun Group Inc.
Keitaroh Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for producing magnetic particles, magnetic particles, and ma...
Patent number
10,020,108
Issue date
Jul 10, 2018
Nisshin Seifun Group Inc.
Keitaroh Nakamura
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for production of titanium carbide nanoparticles
Patent number
9,751,769
Issue date
Sep 5, 2017
Nisshin Engineering Inc.
Shu Watanabe
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of grinding powder
Patent number
9,327,288
Issue date
May 3, 2016
Nisshin Engineering Inc.
Kazumi Kozawa
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Grant
Rotary agitation type heat treatment apparatus
Patent number
9,200,844
Issue date
Dec 1, 2015
Nisshin Engineering Inc.
Masayuki Katakura
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Method for classifying powder
Patent number
8,960,027
Issue date
Feb 24, 2015
Nisshin Engineering Inc.
Kazumi Kozawa
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Ultrafine alloy particles, and process for producing the same
Patent number
8,491,696
Issue date
Jul 23, 2013
Nisshin Seifun Group, Inc.
Keitaroh Nakamura
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Ultrafine alloy particles, and process for producing the same
Patent number
7,981,190
Issue date
Jul 19, 2011
Nisshin Seifun Group Inc.
Keitaroh Nakamura
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Process and apparatus for producing fine particles
Patent number
7,828,999
Issue date
Nov 9, 2010
Nisshin Seifun Group Inc.
Kazuhiro Yubuta
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Method for producing particles, particles, and sintered body
Patent number
7,727,497
Issue date
Jun 1, 2010
Hoya Corporation
Shintaro Kobayashi
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Process for producing ultrafine particles
Patent number
7,582,135
Issue date
Sep 1, 2009
Nisshin Seifun Group Inc.
Keitaroh Nakamura
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Jet mill
Patent number
7,258,290
Issue date
Aug 21, 2007
Nisshin Engineering Inc.
Kenji Taketomi
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Grant
Finely-divided powder spray apparatus
Patent number
6,790,281
Issue date
Sep 14, 2004
Nisshin Engineering Co., Ltd.
Shin Doi
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Spacer microparticle spraying apparatus and method for fabricating...
Patent number
6,649,221
Issue date
Nov 18, 2003
Sekisui Chemical Co., Ltd.
Akihiko Tateno
G02 - OPTICS
Information
Patent Grant
Finely-divided powder spray apparatus
Patent number
6,616,761
Issue date
Sep 9, 2003
Nisshin Seifun Group Inc.
Shin Doi
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Precision fine powder dispersing supply apparatus
Patent number
6,585,010
Issue date
Jul 1, 2003
Nisshin Engineering Inc.
Kiyoshi Takahashi
G01 - MEASURING TESTING
Information
Patent Grant
Process for producing oxide coated fine metal particles
Patent number
6,582,763
Issue date
Jun 24, 2003
Nisshin Seifun Group Inc.
Keiichi Nishimura
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Fine glass particle containing embedded oxide and process for produ...
Patent number
6,578,381
Issue date
Jun 17, 2003
Nisshin Seifun Group Inc.
Keiichi Nishimura
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Apparatus for controlling electric charge on finely divided powder...
Patent number
6,325,854
Issue date
Dec 4, 2001
Nisshin Seifun Group Inc.
Hiroshi Murata
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Finely-divided powder spray apparatus
Patent number
6,190,455
Issue date
Feb 20, 2001
Nisshin Flour Milling Co., Ltd.
Shin Doi
G02 - OPTICS
Information
Patent Grant
Method for controlling amount of electric charge on finely divided...
Patent number
6,063,451
Issue date
May 16, 2000
Nisshin Flour Milling Co., Ltd.
Hiroshi Murata
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Powder supplying apparatus and powder spraying apparatus
Patent number
5,660,633
Issue date
Aug 26, 1997
Nisshin Flour Milling Co., Ltd.
Hiroshi Murata
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Patents Applications
last 30 patents
Information
Patent Application
SILVER FINE PARTICLE PRODUCTION METHOD AND SILVER FINE PARTICLES
Publication number
20230256509
Publication date
Aug 17, 2023
NISSHIN ENGINEERING INC.
Shu WATANABE
B22 - CASTING POWDER METALLURGY
Information
Patent Application
FINE PARTICLES AND FINE PARTICLE PRODUCTION METHOD
Publication number
20220402025
Publication date
Dec 22, 2022
NISSHIN ENGINEERING INC.
Shu WATANABE
B22 - CASTING POWDER METALLURGY
Information
Patent Application
FINE PARTICLE PRODUCTION DEVICE AND FINE PARTICLE PRODUCTION METHOD
Publication number
20220402029
Publication date
Dec 22, 2022
NISSHIN ENGINEERING INC.
Shu WATANABE
B22 - CASTING POWDER METALLURGY
Information
Patent Application
COMPOSITE PARTICLES AND METHOD FOR PRODUCING COMPOSITE PARTICLES
Publication number
20210087404
Publication date
Mar 25, 2021
NISSHIN ENGINEERING INC.
Shu WATANABE
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
POWDER CLASSIFYING APPARATUS
Publication number
20210078044
Publication date
Mar 18, 2021
NISSHIN SEIFUN GROUP INC.
Kenji JIKIHARA
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Application
FINE PARTICLE PRODUCTION METHOD AND FINE PARTICLES
Publication number
20210069782
Publication date
Mar 11, 2021
NISSHIN ENGINEERING INC.
Shu WATANABE
B22 - CASTING POWDER METALLURGY
Information
Patent Application
COMPOSITE PARTICLES AND METHOD FOR PRODUCING COMPOSITE PARTICLES
Publication number
20210024423
Publication date
Jan 28, 2021
NISSHIN ENGINEERING INC.
Keitaroh NAKAMURA
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
COMPOSITE PARTICLES AND METHOD FOR PRODUCING COMPOSITE PARTICLES
Publication number
20210017391
Publication date
Jan 21, 2021
NISSHIN ENGINEERING INC.
Keitaroh NAKAMURA
C01 - INORGANIC CHEMISTRY
Information
Patent Application
COPPER MICROPARTICLES
Publication number
20200368811
Publication date
Nov 26, 2020
NISSHIN ENGINEERING INC.
Shu WATANABE
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METHOD OF PRODUCING SUB-STOICHIOMETRIC TITANIUM OXIDE FINE PARTICLES
Publication number
20190016605
Publication date
Jan 17, 2019
NISSHIN ENGINEERING INC.
Akihiro KINOSHITA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR MANUFACTURING MAGNETIC PARTICLES, MAGNETIC PARTICLES, AN...
Publication number
20180137960
Publication date
May 17, 2018
NISSHIN SEIFUN GROUP INC.
Keitaroh NAKAMURA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SILVER NANOPARTICLES
Publication number
20180117673
Publication date
May 3, 2018
NISSHIN ENGINEERING INC.
Shu WATANABE
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METAL COMPOSITE OXIDE PARTICLES AND METHOD FOR PRODUCING SAME
Publication number
20170197843
Publication date
Jul 13, 2017
NISSHIN ENGINEERING INC.
Akihiro KINOSHITA
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PRODUCING TUNGSTEN COMPLEX OXIDE PARTICLES
Publication number
20170190593
Publication date
Jul 6, 2017
NISSHIN ENGINEERING INC.
Yoshifumi SAKAI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR MANUFACTURING MAGNETIC PARTICLES, MAGNETIC PARTICLES, AN...
Publication number
20170186521
Publication date
Jun 29, 2017
NISSHIN SEIFUN GROUP INC.
Keitaroh NAKAMURA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
MIXING APPARATUS
Publication number
20170144117
Publication date
May 25, 2017
NISSHIN ENGINEERING INC.
Akihiko EMA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR PRODUCING MAGNETIC PARTICLES, MAGNETIC PARTICLES, AND MA...
Publication number
20150380149
Publication date
Dec 31, 2015
NISSHIN SEIFUN GROUP INC.
Keitaroh NAKAMURA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR PRODUCING CUPROUS OXIDE FINE PARTICLES, CUPROUS OXIDE FI...
Publication number
20150291439
Publication date
Oct 15, 2015
NISSHIN ENGINEERING INC.
Akihiro Kinoshita
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PRODUCTION OF TITANIUM CARBIDE NANOPARTICLES
Publication number
20150175429
Publication date
Jun 25, 2015
NISSHIN ENGINEERING INC.
Shu Watanabe
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD OF GRINDING POWDER
Publication number
20130341438
Publication date
Dec 26, 2013
NISSHIN ENGINEERING INC.
Kazumi Kozawa
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Application
ROTARY AGITATION TYPE HEAT TREATMENT APPARATUS
Publication number
20130329515
Publication date
Dec 12, 2013
NISSHIN ENGINEERING INC.
Masayuki KATAKURA
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Application
METHOD FOR CLASSIFYING POWDER
Publication number
20120318042
Publication date
Dec 20, 2012
NISSHIN ENGINEERING INC.
Kazumi Kozawa
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Application
Method for producing particles, particles, and adsorption apparatus
Publication number
20070092424
Publication date
Apr 26, 2007
PENTAX CORPORATION
Shintaro KOBAYASHI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR PRODUCING PARTICLES, PARTICLES, AND SINTERED BODY
Publication number
20070053814
Publication date
Mar 8, 2007
PENTAX CORPORATION
Shintaro KOBAYASHI
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Finely-divided powder spray apparatus
Publication number
20020036240
Publication date
Mar 28, 2002
NISSHIN ENGINEERING CO., LTD.
Shin Doi
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
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