Takashi Araki

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Miyagi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Crystal growth apparatus
- Patent number 8,623,138
- Issue date Jan 7, 2014
- Ricoh Company, Ltd.
- Seiji Sarayama
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Crystal growth method
- Patent number 7,531,038
- Issue date May 12, 2009
- Ricoh Company, Ltd.
- Seiji Sarayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Crystal growth method, crystal growth apparatus, group-III nitride...
- Patent number 7,001,457
- Issue date Feb 21, 2006
- Ricoh Company, Ltd.
- Seiji Sarayama
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
CRYSTAL GROWTH METHOD, CRYSTAL GROWTH APPARATUS, GROUP-III NITRIDE...
- Publication number 20090120354
- Publication date May 14, 2009
- Seiji Sarayama
- C30 - CRYSTAL GROWTH
Information Patent Application
Crystal growth method, crystal growth apparatus, group-III nitride...
- Publication number 20060130739
- Publication date Jun 22, 2006
- Seiji Sarayama
- C30 - CRYSTAL GROWTH
Information Patent Application
Crystal growth method, crystal growth apparatus, group-III nitride...
- Publication number 20020175338
- Publication date Nov 28, 2002
- Seiji Sarayama
- C30 - CRYSTAL GROWTH