Yasushi Ohkawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electron source and electron source unit
- Patent number 11,476,075
- Issue date Oct 18, 2022
- Japan Aerospace Exploration Agency
- Yasushi Ohkawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ELECTRON SOURCE AND ELECTRON SOURCE UNIT
- Publication number 20220157551
- Publication date May 19, 2022
- JAPAN AEROSPACE EXPLORATION AGENCY
- Yasushi OHKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SPACE-DEBRIS CAPTURING DEVICE AND SPACE-DEBRIS REMOVING DEVICE
- Publication number 20190359357
- Publication date Nov 28, 2019
- IHI Corporation
- Kazuo SHIMAMURA
- B64 - AIRCRAFT AVIATION COSMONAUTICS