Yasuyuki Ohyagi

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Organic electroluminescent element
- Patent number 8,822,040
- Issue date Sep 2, 2014
- Dai Nippon Printing Co., Ltd.
- Toshitaka Mori
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Organic electroluminescent display
- Patent number 7,012,364
- Issue date Mar 14, 2006
- Dai Nippon Printing Co., Ltd.
- Toshitaka Mori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process and system of making hologram-recording dry plates
- Patent number 6,878,493
- Issue date Apr 12, 2005
- Dai Nippon Printing Co., Ltd.
- Kenji Ueda
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Optical system and device using the same
- Patent number 6,704,128
- Issue date Mar 9, 2004
- Olympus Corporation
- Tetsuhide Takeyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical system and device using the same
- Patent number 6,621,606
- Issue date Sep 16, 2003
- Olympus Optical Co. Ltd.
- Tetsuhide Takeyama
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT
- Publication number 20090051279
- Publication date Feb 26, 2009
- Toshitaka Mori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Organic electroluminescent element
- Publication number 20050249974
- Publication date Nov 10, 2005
- Toshitaka Mori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Organic electroluminescent display
- Publication number 20050127824
- Publication date Jun 16, 2005
- DAI NIPPON PRINTING CO., LTD.
- Toshitaka Mori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Organic electroluminescent element
- Publication number 20050007016
- Publication date Jan 13, 2005
- Toshitaka Mori
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Optical system and device using the same
- Publication number 20030107785
- Publication date Jun 12, 2003
- Olympus Optical Co., Ltd.
- Tetsuhide Takeyama
- G02 - OPTICS
Information Patent Application
Optical system and device using the same
- Publication number 20030090753
- Publication date May 15, 2003
- Olympus Optical Co., Ltd.
- Tetsuhide Takeyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE