Hiroaki Umezawa

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Kamakura-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and a method for controlling a light source used for imag...
- Patent number 8,587,843
- Issue date Nov 19, 2013
- Ricoh Company, Ltd.
- Takashi Enami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method, apparatus, and system for forming image
- Patent number 8,052,144
- Issue date Nov 8, 2011
- Ricoh Company, Ltd.
- Masaru Kaneko
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Method, apparatus, and system for forming image
- Publication number 20090073247
- Publication date Mar 19, 2009
- Masaru Kaneko
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Apparatus and a method for controlling a light source used for imag...
- Publication number 20080278774
- Publication date Nov 13, 2008
- Takashi Enami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE