Katsuhiko Wakayama

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Flat soft magnetic material and process for its production
- Patent number 8,038,808
- Issue date Oct 18, 2011
- TDK Corporation
- Atsuhito Matsukawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Flaky soft magnetic metal powder and magnetic core member for RFID...
- Patent number 7,799,147
- Issue date Sep 21, 2010
- TDK Corporation
- Atsuhito Matsukawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Composite magnetic material electromagnetic wave absorbing sheet me...
- Patent number 7,323,214
- Issue date Jan 29, 2008
- TDK Corporation
- Katsuhiko Wakayama
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Magnetic recording medium
- Patent number 6,310,837
- Issue date Oct 30, 2001
- TDK Corporation
- Tsutomu Chou
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Ferromagnetic powder for dust cores, dust core, and dust core fabri...
- Patent number 6,149,704
- Issue date Nov 21, 2000
- TDK Corporation
- Hideharu Moro
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for preparing iron system soft magnetic sintered body
- Patent number 5,443,787
- Issue date Aug 22, 1995
- TDK Corporation
- Teruo Mori
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Magnetic fluid
- Patent number 4,626,370
- Issue date Dec 2, 1986
- TDK Corporation
- Katsuhiko Wakayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic fluid and process for preparing the same
- Patent number 4,624,797
- Issue date Nov 25, 1986
- TDK Corporation
- Katsuhiko Wakayama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Magnetic fluid
- Patent number 4,608,186
- Issue date Aug 26, 1986
- TDK Corporation
- Katsuhiko Wakayama
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
FLAT SOFT MAGNETIC MATERIAL AND PROCESS FOR ITS PRODUCTION
- Publication number 20090267017
- Publication date Oct 29, 2009
- TDK Corporation
- Atsuhito Matsukawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
FLAKY SOFT MAGNETIC METAL POWDER AND MAGNETIC CORE MEMBER FOR RFID...
- Publication number 20070221297
- Publication date Sep 27, 2007
- TDK Corporation
- Atsuhito Matsukawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for producing electromagnetic wave absorbing sheet, method f...
- Publication number 20060099454
- Publication date May 11, 2006
- TDK CORPORATION
- Hiroki Morikoshi
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Composite magnetic material electromagnetic wave absorbing sheet me...
- Publication number 20050012652
- Publication date Jan 20, 2005
- Katsuhiko Wakayama
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Production method of laminated soft magnetic member, production met...
- Publication number 20050003079
- Publication date Jan 6, 2005
- TDK CORPORATION
- Katsuhiko Wakayama
- C21 - METALLURGY OF IRON
Information Patent Application
Laminated soft magnetic member, soft magnetic sheet and production...
- Publication number 20040219328
- Publication date Nov 4, 2004
- Kazunori Tasaki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Soft magnetic member, electromagnetic wave controlling sheet and me...
- Publication number 20040185309
- Publication date Sep 23, 2004
- TDK CORPORATION
- Yasuo Hashimoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Katsuhiko Wakayama

Person

Patents Grantslast 30 patents

Flat soft magnetic material and process for its production

Flaky soft magnetic metal powder and magnetic core member for RFID...

Composite magnetic material electromagnetic wave absorbing sheet me...

Magnetic recording medium

Ferromagnetic powder for dust cores, dust core, and dust core fabri...

Method for preparing iron system soft magnetic sintered body

Magnetic fluid

Magnetic fluid and process for preparing the same

Magnetic fluid

Patents Applicationslast 30 patents

FLAT SOFT MAGNETIC MATERIAL AND PROCESS FOR ITS PRODUCTION

FLAKY SOFT MAGNETIC METAL POWDER AND MAGNETIC CORE MEMBER FOR RFID...

Method for producing electromagnetic wave absorbing sheet, method f...

Composite magnetic material electromagnetic wave absorbing sheet me...

Production method of laminated soft magnetic member, production met...

Laminated soft magnetic member, soft magnetic sheet and production...

Soft magnetic member, electromagnetic wave controlling sheet and me...