Hirofumi Taketsu

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for producing hot-dip Zn alloy-plated steel sheet
- Patent number 10,202,676
- Issue date Feb 12, 2019
- Nisshin Steel Co., Ltd.
- Atsuo Shimizu
- B32 - LAYERED PRODUCTS
Information Patent Grant
Method for producing hot-dip Zn alloy-plated steel sheet
- Patent number 10,167,542
- Issue date Jan 1, 2019
- Nisshin Steel Co., Ltd.
- Atsuo Shimizu
- B32 - LAYERED PRODUCTS
Information Patent Grant
Method for treating surface of zinc-aluminum-magnesium alloy-plated...
- Patent number 10,161,047
- Issue date Dec 25, 2018
- NIPPON PAINT SURF CHEMICALS CO., LTD.
- Yusuke Miura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of producing hot-dip Zn alloy-plated steel sheet
- Patent number 10,125,414
- Issue date Nov 13, 2018
- Nisshin Steel Co., Ltd.
- Atsuo Shimizu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Chemical conversion coated plated steel sheet and method for produc...
- Patent number 9,890,461
- Issue date Feb 13, 2018
- Nisshin Steel Co., Ltd.
- Masanori Matsuno
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Black-plated steel sheet
- Patent number 9,863,027
- Issue date Jan 9, 2018
- Nisshin Steel Co., Ltd.
- Tadashi Nakano
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing black-plated steel sheet, and method for produ...
- Patent number 9,598,759
- Issue date Mar 21, 2017
- Nisshin Steel Co., Ltd.
- Tadashi Nakano
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing black-plated steel sheet, and method for produ...
- Patent number 9,598,773
- Issue date Mar 21, 2017
- Nisshin Steel Co., Ltd.
- Tadashi Nakano
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Chemical conversion coated plated steel sheet and method for produc...
- Patent number 9,260,786
- Issue date Feb 16, 2016
- Nisshin Steel Co., Ltd.
- Masanori Matsuno
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Chemical conversion coated plated steel sheet and method for produc...
- Patent number 8,895,153
- Issue date Nov 25, 2014
- Nisshin Steel Co., Ltd.
- Masanori Matsuno
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Chemically processed steel sheet excellent in corrosion resistance
- Patent number 7,147,934
- Issue date Dec 12, 2006
- Nisshin Steel Co., Ltd.
- Masaya Yamamoto
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Fuel tank made from aluminum coated steel sheet
- Patent number 6,905,041
- Issue date Jun 14, 2005
- Nisshin Steel Co., Ltd.
- Hirofumi Taketsu
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Chemically processed steel sheet excellent in corrosion resistance
- Patent number 6,730,414
- Issue date May 4, 2004
- Nisshin Steel Co., Ltd.
- Masaya Yamamoto
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Chemically processed steel sheet improved in corrosion resistance
- Patent number 6,544,666
- Issue date Apr 8, 2003
- Nisshin Steel Co., Ltd.
- Kouichiro Ueda
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Chromating solution and chromated metal sheet
- Patent number 6,329,067
- Issue date Dec 11, 2001
- Nisshin Steel Co., Ltd.
- Yukio Uchida
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Chromating solution and chromated metal sheet
- Patent number 6,190,464
- Issue date Feb 20, 2001
- Nisshin Steel Co., Ltd.
- Yukio Uchida
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF PRODUCING HOT-DIP ZN-ALLOY-PLATED STEEL SHEET
- Publication number 20190040512
- Publication date Feb 7, 2019
- NISSHIN STEEL CO., LTD.
- Atsuo SHIMIZU
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD OF PRODUCING HOT-DIP ZN ALLOY-PLATED STEEL SHEET
- Publication number 20170260614
- Publication date Sep 14, 2017
- NISSHIN STEEL CO., LTD.
- Atsuo Shimizu
- B32 - LAYERED PRODUCTS
Information Patent Application
METHOD FOR TREATING SURFACE OF ZINC-ALUMINUM-MAGNESIUM ALLOY-PLATED...
- Publication number 20170211188
- Publication date Jul 27, 2017
- NIPPON PAINT SURF CHEMICALS CO., LTD.
- Yusuke MIURA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
HOT-DIP ZN-ALLOY-PLATED STEEL SHEET
- Publication number 20160305003
- Publication date Oct 20, 2016
- NISSHIN STEEL CO., LTD.
- Atsuo SHIMIZU
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
HOT-DIP ZN-ALLOY-PLATED STEEL SHEET AND METHOD FOR PRODUCING SAME
- Publication number 20160281201
- Publication date Sep 29, 2016
- NISSHIN STEEL CO., LTD.
- Atsuo Shimizu
- B32 - LAYERED PRODUCTS
Information Patent Application
Chemical Conversion Coated Plated Steel Sheet and Method for Produc...
- Publication number 20160040297
- Publication date Feb 11, 2016
- NISSHIN STEEL CO., LTD.
- Masanori MATSUNO
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD FOR PRODUCING HOT-DIP Zn ALLOY-PLATED STEEL SHEET
- Publication number 20150292073
- Publication date Oct 15, 2015
- NISSHIN STEEL CO., LTD.
- Atsuo SHIMIZU
- B32 - LAYERED PRODUCTS
Information Patent Application
METHOD FOR PRODUCING HOT-DIP Zn ALLOY-PLATED STEEL SHEET
- Publication number 20150259776
- Publication date Sep 17, 2015
- NISSHIN STEEL CO., LTD.
- Atsuo Shimizu
- B32 - LAYERED PRODUCTS
Information Patent Application
METHOD FOR PRODUCING BLACK-PLATED STEEL SHEET, AND METHOD FOR PRODU...
- Publication number 20150107722
- Publication date Apr 23, 2015
- NISSHIN STEEL CO., LTD
- Tadashi Nakano
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD FOR PRODUCING BLACK-PLATED STEEL SHEET, AND METHOD FOR PRODU...
- Publication number 20150083276
- Publication date Mar 26, 2015
- Tadashi Nakano
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
BLACK-PLATED STEEL SHEET
- Publication number 20150072166
- Publication date Mar 12, 2015
- NISSHIN STEEL CO., LTD.
- Tadashi Nakano
- B32 - LAYERED PRODUCTS
Information Patent Application
CHEMICAL CONVERSION COATED PLATED STEEL SHEET AND METHOD FOR PRODUC...
- Publication number 20130160898
- Publication date Jun 27, 2013
- NISSHIN STEEL CO., LTD.
- Masanori Matsuno
- B32 - LAYERED PRODUCTS
Information Patent Application
CHEMICAL CONVERSION COATED PLATED STEEL SHEET AND METHOD FOR PRODUC...
- Publication number 20130157076
- Publication date Jun 20, 2013
- NISSHIN STEEL CO., LTD.
- Masanori Matsuno
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
Chemically processed steel sheet excellent in corrosion resistance
- Publication number 20050003226
- Publication date Jan 6, 2005
- Nisshin Steel Co., Ltd.
- Masaya Yamamoto
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Chemically processed steel sheet excellent in corrosion resistance
- Publication number 20020114971
- Publication date Aug 22, 2002
- Nisshin Steel Co., Ltd.
- Masaya Yamamoto
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Chemically processed steel sheet improved in corrosion resistance
- Publication number 20020090529
- Publication date Jul 11, 2002
- Nisshin Steel Co., Ltd.
- Kouichiro Ueda
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Chromating solution and chromated metal sheet
- Publication number 20010003622
- Publication date Jun 14, 2001
- Yukio Uchida
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Hirofumi Taketsu

Person

Patents Grantslast 30 patents

Method for producing hot-dip Zn alloy-plated steel sheet

Method for producing hot-dip Zn alloy-plated steel sheet

Method for treating surface of zinc-aluminum-magnesium alloy-plated...

Method of producing hot-dip Zn alloy-plated steel sheet

Chemical conversion coated plated steel sheet and method for produc...

Black-plated steel sheet

Method for producing black-plated steel sheet, and method for produ...

Method for producing black-plated steel sheet, and method for produ...

Chemical conversion coated plated steel sheet and method for produc...

Chemical conversion coated plated steel sheet and method for produc...

Chemically processed steel sheet excellent in corrosion resistance

Fuel tank made from aluminum coated steel sheet

Chemically processed steel sheet excellent in corrosion resistance

Chemically processed steel sheet improved in corrosion resistance

Chromating solution and chromated metal sheet

Chromating solution and chromated metal sheet

Patents Applicationslast 30 patents

METHOD OF PRODUCING HOT-DIP ZN-ALLOY-PLATED STEEL SHEET

METHOD OF PRODUCING HOT-DIP ZN ALLOY-PLATED STEEL SHEET

METHOD FOR TREATING SURFACE OF ZINC-ALUMINUM-MAGNESIUM ALLOY-PLATED...

HOT-DIP ZN-ALLOY-PLATED STEEL SHEET

HOT-DIP ZN-ALLOY-PLATED STEEL SHEET AND METHOD FOR PRODUCING SAME

Chemical Conversion Coated Plated Steel Sheet and Method for Produc...

METHOD FOR PRODUCING HOT-DIP Zn ALLOY-PLATED STEEL SHEET

METHOD FOR PRODUCING HOT-DIP Zn ALLOY-PLATED STEEL SHEET

METHOD FOR PRODUCING BLACK-PLATED STEEL SHEET, AND METHOD FOR PRODU...

METHOD FOR PRODUCING BLACK-PLATED STEEL SHEET, AND METHOD FOR PRODU...

BLACK-PLATED STEEL SHEET

CHEMICAL CONVERSION COATED PLATED STEEL SHEET AND METHOD FOR PRODUC...

CHEMICAL CONVERSION COATED PLATED STEEL SHEET AND METHOD FOR PRODUC...

Chemically processed steel sheet excellent in corrosion resistance

Chemically processed steel sheet excellent in corrosion resistance

Chemically processed steel sheet improved in corrosion resistance

Chromating solution and chromated metal sheet