Keigo Hasumi

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Kyoto-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Manufacturing method for ridged paper ejection roller
- Patent number 9,573,785
- Issue date Feb 21, 2017
- Suncall Corporation
- Keigo Hasumi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
RIDGED PAPER EJECTION ROLLER AND MANUFACTURING METHOD THEREOF
- Publication number 20150018183
- Publication date Jan 15, 2015
- Suncall Corporation
- Keigo Hasumi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS