Yasumichi Tokuoka

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electrode level difference absorbing print paste and method of prod...
- Patent number 7,641,727
- Issue date Jan 5, 2010
- TDK Corporation
- Akira Yamaguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multilayer ceramic device and the production method thereof
- Patent number 7,638,010
- Issue date Dec 29, 2009
- TDK Corporation
- Yasumichi Tokuoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multilayer ceramic electronic element and manufacturing method ther...
- Patent number 6,550,117
- Issue date Apr 22, 2003
- TDK Corporation
- Yasumichi Tokuoka
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronic device, and its fabrication method
- Patent number 6,124,769
- Issue date Sep 26, 2000
- TDK Corporation
- Katsuhiko Igarashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic recording medium comprising two magnetic layers of hexagon...
- Patent number 5,419,938
- Issue date May 30, 1995
- TDK Corporation
- Tsuneo Kagotani
- G11 - INFORMATION STORAGE
Information Patent Grant
Ferromagnetic stabilized ultrafine spherical hexagonal crystalline...
- Patent number 5,277,977
- Issue date Jan 11, 1994
- TDK Corporation
- Yasumichi Tokuoka
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Ferromagnetic ultrafine particles, method of making, and recording...
- Patent number 5,256,479
- Issue date Oct 26, 1993
- TDK Corporation
- Yasumichi Tokuoka
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of making ferromagnetic ultrafine particles
- Patent number 5,221,322
- Issue date Jun 22, 1993
- TDK Corporation
- Yasumichi Tokuoka
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Magnetic disk
- Patent number 5,182,693
- Issue date Jan 26, 1993
- TDK Corporation
- Keiji Koga
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for making a magnetic disk
- Patent number 5,160,761
- Issue date Nov 3, 1992
- TDK Corporation
- Keiji Koga
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording and reproduction
- Patent number 5,140,486
- Issue date Aug 18, 1992
- TDK Corporation
- Kenji Yokoyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of making a magnetic recording medium
- Patent number 4,684,546
- Issue date Aug 4, 1987
- TDK Corporation
- Yasumichi Tokuoka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,670,337
- Issue date Jun 2, 1987
- TDK Corporation
- Yasumichi Tokuoka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,663,246
- Issue date May 5, 1987
- TDK Corporation
- Yasumichi Tokuoka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,599,266
- Issue date Jul 8, 1986
- TDK Corporation
- Masatoshi Nakayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for producing magnetic particles for magnetic recording medium
- Patent number 4,348,430
- Issue date Sep 7, 1982
- TDK Electronics Company, Ltd.
- Yasumichi Tokuoka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and preparation thereof
- Patent number 4,347,291
- Issue date Aug 31, 1982
- TDK Electronics Co., Ltd.
- Yasumichi Tokuoka
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for producing acicular hydrated ferric oxide particles
- Patent number 4,339,425
- Issue date Jul 13, 1982
- TDK Electronics Co., Ltd.
- Yasumichi Tokuoka
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing SiO.sub.2 coated iron oxide powder for use in...
- Patent number 4,309,459
- Issue date Jan 5, 1982
- TDK Electronics Co., Ltd.
- Yasumichi Tokuoka
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing ferromagnetic metal powder
- Patent number 4,222,798
- Issue date Sep 16, 1980
- TDK Electronics Company Limited
- Minoru Yoda
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of manufacturing ferromagnetic magnetic metal powder
- Patent number 4,221,614
- Issue date Sep 9, 1980
- TDK Electronics Co., Ltd.
- Minoru Yoda
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of preventing deterioration of characteristics of ferromagne...
- Patent number 4,113,528
- Issue date Sep 12, 1978
- TDK Electronics Co., Ltd.
- Yasumichi Tokuoka
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Electrode step difference offsetting print paste and production met...
- Publication number 20060191443
- Publication date Aug 31, 2006
- TDK Corporation
- Akira Yamaguchi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
MULTILAYERT CERAMIC DEVICE AND THE PRODUCTION METHOD THEREOF
- Publication number 20060158826
- Publication date Jul 20, 2006
- TDK Corporation
- Yasumichi Tokuoka
- H01 - BASIC ELECTRIC ELEMENTS

Yasumichi Tokuoka

Person

Patents Grantslast 30 patents

Electrode level difference absorbing print paste and method of prod...

Multilayer ceramic device and the production method thereof

Multilayer ceramic electronic element and manufacturing method ther...

Electronic device, and its fabrication method

Magnetic recording medium comprising two magnetic layers of hexagon...

Ferromagnetic stabilized ultrafine spherical hexagonal crystalline...

Ferromagnetic ultrafine particles, method of making, and recording...

Method of making ferromagnetic ultrafine particles

Magnetic disk

Method for making a magnetic disk

Magnetic recording and reproduction

Method of making a magnetic recording medium

Magnetic recording medium

Magnetic recording medium

Magnetic recording medium

Process for producing magnetic particles for magnetic recording medium

Magnetic recording medium and preparation thereof

Process for producing acicular hydrated ferric oxide particles

Process for producing SiO.sub.2 coated iron oxide powder for use in...

Method of manufacturing ferromagnetic metal powder

Method of manufacturing ferromagnetic magnetic metal powder

Method of preventing deterioration of characteristics of ferromagne...

Patents Applicationslast 30 patents

Electrode step difference offsetting print paste and production met...

MULTILAYERT CERAMIC DEVICE AND THE PRODUCTION METHOD THEREOF