Akio Chiba

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Aluminum nitride sintered body and substrate for electronic devices
- Patent number 6,953,761
- Issue date Oct 11, 2005
- Hitachi, Ltd.
- Shigeru Tanaka
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Commutator
- Patent number 5,266,860
- Issue date Nov 30, 1993
- Hitachi, Ltd.
- Akio Chiba
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Sliding current collector made of ceramics
- Patent number 5,208,502
- Issue date May 4, 1993
- Hitachi, Ltd.
- Nobuyuki Yamashita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High strength composite ceramic structure and process for producing...
- Patent number 5,200,373
- Issue date Apr 6, 1993
- Hitachi, Ltd.
- Yoshiyuki Yasutomi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Nuclear fusion reactor
- Patent number 4,690,793
- Issue date Sep 1, 1987
- Hitachi, Ltd.
- Hisanori Okamura
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Ceramic substrate with metal plate
- Patent number 4,497,875
- Issue date Feb 5, 1985
- Hitachi, Ltd.
- Hideo Arakawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Stacked structure having matrix-fibered composite layers and a meta...
- Patent number 4,482,912
- Issue date Nov 13, 1984
- Hitachi, Ltd.
- Akio Chiba
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Magnetic pole pieces for use in a nuclear magnetic resonance apparatus
- Patent number 4,217,568
- Issue date Aug 12, 1980
- Hitachi, Ltd.
- Akio Chiba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Uniform magnetic field generating device
- Patent number 4,122,386
- Issue date Oct 24, 1978
- Hitachi, Ltd.
- Sadami Tomita
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Aluminum nitride sintered body and substrate for electronic devices
- Publication number 20040126598
- Publication date Jul 1, 2004
- Hitachi, Ltd.
- Shigeru Tanaka
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Person

Patents Grantslast 30 patents

Aluminum nitride sintered body and substrate for electronic devices

Commutator

Sliding current collector made of ceramics

High strength composite ceramic structure and process for producing...

Nuclear fusion reactor

Ceramic substrate with metal plate

Stacked structure having matrix-fibered composite layers and a meta...

Magnetic pole pieces for use in a nuclear magnetic resonance apparatus

Uniform magnetic field generating device

Patents Applicationslast 30 patents

Aluminum nitride sintered body and substrate for electronic devices