Sadakazu Kamo

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Ushiku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Energy service business method and system
- Patent number 7,130,832
- Issue date Oct 31, 2006
- Hitachi, Ltd.
- Masaaki Bannai
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Energy service business method and system
- Publication number 20070094043
- Publication date Apr 26, 2007
- Masaaki Bannai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Energy service business method and system
- Publication number 20020007388
- Publication date Jan 17, 2002
- Masaaki Bannai
- G06 - COMPUTING CALCULATING COUNTING