Hironobu Tadenuma

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Nagano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Lamp unit and image reading apparatus using the same
- Patent number 6,222,647
- Issue date Apr 24, 2001
- Seiko Epson Corporation
- Hironobu Tadenuma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data correction subsystem and method for color image processing system
- Patent number 5,710,871
- Issue date Jan 20, 1998
- Seiko Epson Corporation
- Hironobu Tadenuma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE