Akira Misumi

Person

Mobara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
System for measuring foreign materials in liquid
- Patent number 4,890,481
- Issue date Jan 2, 1990
- Hitachi, Ltd.
- Masayoshi Ezawa
- G01 - MEASURING TESTING
Information Patent Grant
Method of producing shadow mask of color cathode ray tube
- Patent number 4,872,924
- Issue date Oct 10, 1989
- Hitachi, Ltd.
- Masaharu Kumada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
System for measuring foreign materials in liquid
- Patent number 4,779,451
- Issue date Oct 25, 1988
- Hitachi, Ltd.
- Masayoshi Ezawa
- G01 - MEASURING TESTING
Information Patent Grant
Color picture tube shadow mask material
- Patent number 4,754,188
- Issue date Jun 28, 1988
- Hitachi, Ltd.
- Rikizo Watanabe
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Technique for preventing reflections in a cathode ray tube
- Patent number 4,723,091
- Issue date Feb 2, 1988
- Hitachi, Ltd.
- Hiromitsu Kawamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Projection tube whose coolant contains an ethylene oligomer
- Patent number 4,717,853
- Issue date Jan 5, 1988
- Hitachi, Ltd.
- Masayoshi Ezawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color picture tube with shadow mask
- Patent number 4,713,576
- Issue date Dec 15, 1987
- Hitachi, Ltd.
- Akira Misumi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Directly heated cathode
- Patent number 4,636,681
- Issue date Jan 13, 1987
- Hitachi, Ltd.
- Akira Misumi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Solar battery using amorphous silicon
- Patent number 4,543,441
- Issue date Sep 24, 1985
- Hitachi, Ltd.
- Masaharu Kumada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photovoltaic-storage battery device
- Patent number 4,481,265
- Issue date Nov 6, 1984
- Hitachi, Ltd.
- Masayoshi Ezawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Directly heated oxide cathode and production thereof
- Patent number 4,446,404
- Issue date May 1, 1984
- Hitachi, Ltd.
- Masaharu Kumada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Directly heated type oxide cathode
- Patent number 4,382,206
- Issue date May 3, 1983
- Hitachi, Ltd.
- Masaharu Kumada
- 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
Oxide-coated cathode for electron tube
- Patent number 4,313,854
- Issue date Feb 2, 1982
- Hitachi, Ltd.
- Kazuo Sunahara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron tube cathode
- Patent number 4,291,252
- Issue date Sep 22, 1981
- Hitachi, Ltd.
- Toshiyuki Aida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thermionic emission cathodes
- Patent number 4,279,784
- Issue date Jul 21, 1981
- Hitachi, Ltd.
- Akira Misumi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sealing glass
- Patent number 4,256,495
- Issue date Mar 17, 1981
- Hitachi, Ltd.
- Hiromitsu Kawamura
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Base metal plate materials for directly heated oxide cathodes
- Patent number 4,222,775
- Issue date Sep 16, 1980
- Hitachi, Ltd.
- Akira Misumi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Oxide-coated cathodes for electron tubes
- Patent number 4,215,180
- Issue date Jul 29, 1980
- Hitachi, Ltd.
- Akira Misumi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nickel alloy base metal plate for directly heated oxide cathodes
- Patent number 4,208,208
- Issue date Jun 17, 1980
- Hitachi, Ltd.
- Akira Misumi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Base metal plate materials for directly heated oxide cathode
- Patent number 4,146,393
- Issue date Mar 27, 1979
- Hitachi, Ltd.
- Akira Misumi
- 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

Akira Misumi

Person

Patents Grantslast 30 patents

System for measuring foreign materials in liquid

Method of producing shadow mask of color cathode ray tube

System for measuring foreign materials in liquid

Color picture tube shadow mask material

Technique for preventing reflections in a cathode ray tube

Projection tube whose coolant contains an ethylene oligomer

Color picture tube with shadow mask

Directly heated cathode

Solar battery using amorphous silicon

Photovoltaic-storage battery device

Directly heated oxide cathode and production thereof

Directly heated type oxide cathode

Directly heated cathode for electron tube

Oxide-coated cathode for electron tube

Electron tube cathode

Thermionic emission cathodes

Sealing glass

Base metal plate materials for directly heated oxide cathodes

Oxide-coated cathodes for electron tubes

Nickel alloy base metal plate for directly heated oxide cathodes

Base metal plate materials for directly heated oxide cathode

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

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