Harumasa YOSHIDA

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Hamamatsu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Nitride semiconductor substrate
- Patent number 8,759,837
- Issue date Jun 24, 2014
- Hamamatsu Photonics K.K.
- Harumasa Yoshida
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Nitride semiconductor substrate
- Patent number 8,237,194
- Issue date Aug 7, 2012
- Hamamatsu Photonics K.K.
- Harumasa Yoshida
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
NITRIDE SEMICONDUCTOR SUBSTRATE
- Publication number 20120175633
- Publication date Jul 12, 2012
- HAMAMATSU PHOTONICS K. K.
- Harumasa YOSHIDA
- C30 - CRYSTAL GROWTH
Information Patent Application
NITRIDE SEMICONDUCTOR SUBSTRATE
- Publication number 20100102328
- Publication date Apr 29, 2010
- HAMAMATSU PHOTONICKS K.K
- Harumasa Yoshida
- C30 - CRYSTAL GROWTH
Information Patent Application
PHOTOCATHODE AND ELECTRON TUBE HAVING THE SAME
- Publication number 20090273281
- Publication date Nov 5, 2009
- HAMAMATSU PHOTONICS K. K.
- Minoru Niigaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electron tube
- Publication number 20070176160
- Publication date Aug 2, 2007
- Hamamatsu Photonics K.K.
- Shoichi Uchiyama
- H01 - BASIC ELECTRIC ELEMENTS