Yasuharu Hirai

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
X-ray imaging apparatus and method with an X-ray interferometer
- Patent number 7,499,520
- Issue date Mar 3, 2009
- Hitachi, Ltd.
- Akio Yoneyama
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
X-ray imaging system
- Patent number 7,346,145
- Issue date Mar 18, 2008
- Hitachi, Ltd.
- Akio Yoneyama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Photoelectric shock wave detection system for vacuum protection
- Patent number 4,704,540
- Issue date Nov 3, 1987
- Hitachi, Ltd.
- Yasuharu Hirai
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Field emission cathode and method of fabricating the same
- Patent number 4,379,250
- Issue date Apr 5, 1983
- Hitachi, Ltd.
- Shigeyuki Hosoki
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
X-RAY IMAGING APPARATUS AND METHOD WITH AN X-RAY INTERFEROMETER
- Publication number 20080019482
- Publication date Jan 24, 2008
- Akio Yoneyama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
X-ray imaging system
- Publication number 20060256918
- Publication date Nov 16, 2006
- Hitachi, Ltd.
- Akio Yoneyama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE