Koji Marumo

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Gifu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Display device
- Patent number 7,522,172
- Issue date Apr 21, 2009
- Sanyo Electric Co., Ltd.
- Susumu Tanase
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Pixel circuit and display device
- Patent number 7,477,218
- Issue date Jan 13, 2009
- Sanyo Electric Co., Ltd.
- Masayuki Koga
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Pixel circuit and display device
- Patent number 7,324,075
- Issue date Jan 29, 2008
- Sanyo Electric Co., Ltd.
- Keiichi Sano
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Display device
- Publication number 20060268003
- Publication date Nov 30, 2006
- Sanyo Electric Co., Ltd.
- Susumu Tanase
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Pixel circuit and display apparatus
- Publication number 20060145960
- Publication date Jul 6, 2006
- Masayuki Koga
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Pixel circuit and display device
- Publication number 20050017929
- Publication date Jan 27, 2005
- Keiichi Sano
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS