Sohichi Kuwahara

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for making a printing plate and a printing plate thereof
- Patent number 5,247,883
- Issue date Sep 28, 1993
- Sony Corporation
- Sohichi Kuwahara
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Gravure printing plate with angled and offset hole pattern and smea...
- Patent number 5,213,034
- Issue date May 25, 1993
- Sony Corporation
- Sohichi Kuwahara
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Apparatus for making an intaglio printing surface
- Patent number 5,126,531
- Issue date Jun 30, 1992
- Sony Corporation
- Osamu Majima
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS