Ryuji Okuyama

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Narashino-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Front/back discrimination device for time card, time recorder provi...
- Patent number 8,941,699
- Issue date Jan 27, 2015
- Seiko Precision Inc.
- Katsuhisa Gokita
- G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents

Information Patent Application
FRONT/BACK DISCRIMINATION DEVICE FOR TIME CARD, TIME RECORDER PROVI...
- Publication number 20130215162
- Publication date Aug 22, 2013
- SEIKO PRECISION INC.
- Katsuhisa Gokita
- G07 - CHECKING-DEVICES