Atsushi KIKUGAWA

Person

Mishima-gun, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for recovering heavy rare earth element
- Patent number 10,233,516
- Issue date Mar 19, 2019
- Hitachi Metals, Ltd.
- Yu Miyamoto
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for recovering rare earth element
- Patent number 10,081,040
- Issue date Sep 25, 2018
- Hitachi Metals, Ltd.
- Yu Miyamoto
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing R-Fe-B based permanent magnet alloy recycled m...
- Patent number 9,657,367
- Issue date May 23, 2017
- Hitachi Metals, Ltd.
- Katsuyoshi Furusawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method and system for separating rare earth elements
- Patent number 9,435,009
- Issue date Sep 6, 2016
- Hitachi Metals, Ltd.
- Hiroki Yamamoto
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for recovering rare earth element
- Patent number 9,322,082
- Issue date Apr 26, 2016
- Hitachi Metals, Ltd.
- Hiroyuki Hoshi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Corrosion-resistant magnet and method for producing the same
- Patent number 9,275,794
- Issue date Mar 1, 2016
- Hitachi Metals, Ltd.
- Atsushi Kikugawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing surface-modified rare earth metal-based sinter...
- Patent number 9,175,376
- Issue date Nov 3, 2015
- Hitachi Metals, Ltd.
- Mahoro Fujihara
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for producing rare earth metal-based permanent magnet
- Patent number 8,641,832
- Issue date Feb 4, 2014
- Hitachi Metals, Ltd.
- Atsushi Kikugawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
R-Fe-B based sintered magnet having on the surface thereof vapor de...
- Patent number 8,163,106
- Issue date Apr 24, 2012
- Hitachi Metals, Ltd.
- Atsushi Kikugawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Rare earth metal-based permanent magnet having corrosion-resistant...
- Patent number 6,884,513
- Issue date Apr 26, 2005
- Neomax Co. LTD
- Atsushi Kikugawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Rare earth metal-based permanent magnet having corrosion-resistant...
- Patent number 6,878,217
- Issue date Apr 12, 2005
- Neomax Co. LTD
- Atsushi Kikugawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for producing rare earth metal-based permanent magnet havin...
- Patent number 6,376,089
- Issue date Apr 23, 2002
- Sumitomo Special Metals Co., Ltd.
- Takeshi Nishiuchi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR RECOVERING HEAVY RARE EARTH ELEMENT
- Publication number 20150361526
- Publication date Dec 17, 2015
- Hitachi Metals, Ltd.
- Yu MIYAMOTO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR RECOVERING RARE EARTH ELEMENT
- Publication number 20150344991
- Publication date Dec 3, 2015
- Hitachi Metals, Ltd.
- Yu MIYAMOTO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method and System for Separating Rare Earth Elements
- Publication number 20150292059
- Publication date Oct 15, 2015
- Hitachi Metals, Ltd.
- Hiroki Yamamoto
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR RECOVERING RARE EARTH ELEMENT
- Publication number 20140186239
- Publication date Jul 3, 2014
- Hitachi Metals, Ltd.
- Hiroyuki Hoshi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PRODUCING R-FE-B BASED PERMANENT MAGNET ALLOY RECYLCED M...
- Publication number 20140123809
- Publication date May 8, 2014
- Hitachi Metals, Ltd.
- Katsuyoshi Furusawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
CORROSION-RESISTANT MAGNET AND METHOD FOR PRODUCING THE SAME
- Publication number 20110273252
- Publication date Nov 10, 2011
- Hitachi Metals, Ltd.
- Atsushi Kikugawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
R-FE-B BASED SINTERED MAGNET HAVING ON THE SURFACE THEREOF VAPOR DE...
- Publication number 20100295644
- Publication date Nov 25, 2010
- Hitachi Metals, Ltd.
- Atsushi Kikugawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD FOR PRODUCING SURFACE-MODIFIED RARE EARTH METAL-BASED SINTER...
- Publication number 20100252145
- Publication date Oct 7, 2010
- Hitachi Metals, Ltd.
- Mahoro Fujihara
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD FOR PRODUCING RARE EARTH METAL-BASED PERMANENT MAGNET
- Publication number 20100006182
- Publication date Jan 14, 2010
- Atsushi Kikugawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Rare earth metal-based permanent magnet having corrosion-resistant...
- Publication number 20030136471
- Publication date Jul 24, 2003
- Sumitomo Special Metals Co., Ltd.
- Atsushi Kikugawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Rare earth metal-based permanent magnet having corrosion-resistant...
- Publication number 20020036029
- Publication date Mar 28, 2002
- SUMITOMO SPECIAL MEALS CO., LTD.
- Atsushi Kikugawa
- H01 - BASIC ELECTRIC ELEMENTS

Atsushi KIKUGAWA

Person

Patents Grantslast 30 patents

Method for recovering heavy rare earth element

Method for recovering rare earth element

Method for producing R-Fe-B based permanent magnet alloy recycled m...

Method and system for separating rare earth elements

Method for recovering rare earth element

Corrosion-resistant magnet and method for producing the same

Method for producing surface-modified rare earth metal-based sinter...

Method for producing rare earth metal-based permanent magnet

R-Fe-B based sintered magnet having on the surface thereof vapor de...

Rare earth metal-based permanent magnet having corrosion-resistant...

Rare earth metal-based permanent magnet having corrosion-resistant...

Process for producing rare earth metal-based permanent magnet havin...

Patents Applicationslast 30 patents

METHOD FOR RECOVERING HEAVY RARE EARTH ELEMENT

METHOD FOR RECOVERING RARE EARTH ELEMENT

Method and System for Separating Rare Earth Elements

METHOD FOR RECOVERING RARE EARTH ELEMENT

METHOD FOR PRODUCING R-FE-B BASED PERMANENT MAGNET ALLOY RECYLCED M...

CORROSION-RESISTANT MAGNET AND METHOD FOR PRODUCING THE SAME

R-FE-B BASED SINTERED MAGNET HAVING ON THE SURFACE THEREOF VAPOR DE...

METHOD FOR PRODUCING SURFACE-MODIFIED RARE EARTH METAL-BASED SINTER...

METHOD FOR PRODUCING RARE EARTH METAL-BASED PERMANENT MAGNET

Rare earth metal-based permanent magnet having corrosion-resistant...

Rare earth metal-based permanent magnet having corrosion-resistant...