Toshikazu Takigawa

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Yachiyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic mail system
- Patent number 7,299,197
- Issue date Nov 20, 2007
- Hitachi, Ltd.
- Narihiro Omoto
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Electronic mall system
- Publication number 20020178081
- Publication date Nov 28, 2002
- Hitachi, Ltd
- Narihiro Omoto
- G06 - COMPUTING CALCULATING COUNTING