Hiroaki Yamagishi

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Time card and time recorder system using time card
- Patent number 6,817,537
- Issue date Nov 16, 2004
- Amano Corporation
- Hirosada Watanabe
- G07 - CHECKING-DEVICES
Information Patent Grant
Time recorder with a card feed rate adjustment function and time ca...
- Patent number 6,765,600
- Issue date Jul 20, 2004
- Amano Corporation
- Hiroaki Yamagishi
- G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents

Information Patent Application
Time card and time recorder system using time card
- Publication number 20030178497
- Publication date Sep 25, 2003
- Hirosada Watanabe
- G07 - CHECKING-DEVICES
Information Patent Application
Time recorder with a card feed rate adjustment function and time ca...
- Publication number 20030025739
- Publication date Feb 6, 2003
- Hiroaki Yamagishi
- G07 - CHECKING-DEVICES