Keishi Sakamoto

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Hitachinaka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mode converter and gyrotron tube provided with mode converter for c...
- Patent number 6,476,558
- Issue date Nov 5, 2002
- Kabushiki Kaisha Toshiba
- Keishi Sakamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gyrotron apparatus including reflecting cylinders which provide und...
- Patent number 5,780,969
- Issue date Jul 14, 1998
- Kabushiki Kaisha Toshiba
- Keishi Sakamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gyrotron apparatus having vibration absorbing means
- Patent number 5,374,873
- Issue date Dec 20, 1994
- Kabushiki Kaisha Toshiba
- Masaki Tsuneoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gyrotron including quasi-optical mode converter
- Patent number 5,266,868
- Issue date Nov 30, 1993
- Japan Atomic Energy Research Institute
- Keishi Sakamoto
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Mode converter and gyrotron tube provided with mode converter for c...
- Publication number 20020021095
- Publication date Feb 21, 2002
- Keishi Sakamoto
- H01 - BASIC ELECTRIC ELEMENTS