Makoto Yoshihara

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Image density test chart and method for determining image density l...
- Patent number 7,609,909
- Issue date Oct 27, 2009
- Canon Kabushiki Kaisha
- Nobuatsu Sasanuma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Image density test chart and method for determining image density l...
- Publication number 20040141195
- Publication date Jul 22, 2004
- Canon Kabushiki Kaisha
- Nobuatsu Sasanuma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE