Hisashi Ando

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Service temperature connector and packaging structure of semiconduc...
- Patent number 4,950,173
- Issue date Aug 21, 1990
- Hitachi, Ltd.
- Tetsuro Minemura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum circuit breaker
- Patent number 4,892,986
- Issue date Jan 9, 1990
- Hitachi, Ltd.
- Ruyji Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Alloy having variable spectral reflectance and information recordin...
- Patent number 4,743,526
- Issue date May 10, 1988
- Hitachi, Ltd.
- Hisashi Ando
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recording material
- Patent number 4,726,858
- Issue date Feb 23, 1988
- Hitachi, Ltd.
- Tetsuro Minemura
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording medium
- Patent number 4,651,172
- Issue date Mar 17, 1987
- Hitachi, Ltd.
- Ryuji Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Fuel cell electrode, process for producing the same and fuel cell u...
- Patent number 4,614,692
- Issue date Sep 30, 1986
- Hitachi, Ltd.
- Hiroshi Kajiyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surge-absorberless vacuum circuit interrupter
- Patent number 4,551,596
- Issue date Nov 5, 1985
- Hitachi, Ltd.
- Ryuji Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum switch and method of manufacturing the same
- Patent number 4,546,222
- Issue date Oct 8, 1985
- Hitachi, Ltd.
- Ryuji Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Directly heated cathode for electron tube
- Patent number 4,349,766
- Issue date Sep 14, 1982
- Hitachi, Ltd.
- Hisashi Ando
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Directly heated cathode for electron tube
- Patent number 4,310,777
- Issue date Jan 12, 1982
- Hitachi, Ltd.
- Hiroshi Fukushima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Directly heated cathode for electron tube
- Patent number 4,220,891
- Issue date Sep 2, 1980
- Hitachi, Ltd.
- Hisashi Ando
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode for cathode ray tube of directly heating type and process f...
- Patent number 4,129,801
- Issue date Dec 12, 1978
- Hitachi, Ltd.
- Ko Soeno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for producing cathode for cathode ray tube of directly heat...
- Patent number 4,114,243
- Issue date Sep 19, 1978
- Hitachi, Ltd.
- Ko Soeno
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Lead-acid storage battery
- Publication number 20030235759
- Publication date Dec 25, 2003
- Hitachi, Ltd.
- Kyoko Honbo
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Hisashi Ando

Person

Patents Grantslast 30 patents

Service temperature connector and packaging structure of semiconduc...

Vacuum circuit breaker

Alloy having variable spectral reflectance and information recordin...

Recording material

Information recording medium

Fuel cell electrode, process for producing the same and fuel cell u...

Surge-absorberless vacuum circuit interrupter

Vacuum switch and method of manufacturing the same

Directly heated cathode for electron tube

Directly heated cathode for electron tube

Directly heated cathode for electron tube

Cathode for cathode ray tube of directly heating type and process f...

Process for producing cathode for cathode ray tube of directly heat...

Patents Applicationslast 30 patents

Lead-acid storage battery