KEIZO KUMAZAWA

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Automatic original cover operator of a copying machine
- Patent number 9,207,616
- Issue date Dec 8, 2015
- Kem Hongkong Limited
- Keizo Kumazawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
AUTOMATIC OPENING/CLOSING DEVICE OF OPENING/CLOSING MEMBER AND OPEN...
- Publication number 20110072727
- Publication date Mar 31, 2011
- KEIZO KUMAZAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY