Masaji Ishii

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Chlorosilane disproportionation catalyst and method for producing a...
- Patent number 4,610,858
- Issue date Sep 9, 1986
- Denki Kagaku Kogyo Kabushiki Kaisha
- Mitsunori Yamada
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Electron gun for brightness
- Patent number 4,591,754
- Issue date May 27, 1986
- Denki Kagaku Kogyo Kabushiki Kaisha
- Hirotoshi Hagiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thermionic emission cathode and preparation thereof
- Patent number 4,482,839
- Issue date Nov 13, 1984
- Denki Kagaku Kogyo Kabushiki Kaisha
- Tetsuya Wada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thermionic emission cathode
- Patent number 4,482,838
- Issue date Nov 13, 1984
- Denki Kagaku Kogyo Kabushiki Kaisha
- Masaji Ishii
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thermionic cathode apparatus
- Patent number 4,288,717
- Issue date Sep 8, 1981
- Denki Kagaku Kogyo Kabushiki Kaisha
- Hiroaki Tanji
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing thermionic cathode
- Patent number 4,168,565
- Issue date Sep 25, 1979
- Denki Kagaku Kogyo Kabushiki Kaisha
- Masaji Ishii
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thermionic cathode
- Patent number 4,137,476
- Issue date Jan 30, 1979
- Denki Kagaku Kogyo Kabushiki Kaisha
- Masaji Ishii
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Evaporation vessel for use in vacuum evaporation
- Patent number 4,112,290
- Issue date Sep 5, 1978
- Denki Kagaku Kogyo Kabushiki Kaisha
- Yukihiko Nakajima
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Masaji Ishii

Person

Patents Grantslast 30 patents

Chlorosilane disproportionation catalyst and method for producing a...

Electron gun for brightness

Thermionic emission cathode and preparation thereof

Thermionic emission cathode

Thermionic cathode apparatus

Method for manufacturing thermionic cathode

Thermionic cathode

Evaporation vessel for use in vacuum evaporation