Masao Utsumi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heat-sensitive lithographic printing plates
- Patent number 8,978,553
- Issue date Mar 17, 2015
- Mitsubishi Paper Mills Limited
- Masao Utsumi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
HEAT-SENSITIVE LITHOGRAPHIC PRINTING PLATES
- Publication number 20100307359
- Publication date Dec 9, 2010
- Masao Utsumi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS