Noboru Tsurukawa

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Fujisawa-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic power unit with a battery and a compensator for calculat...
- Patent number 6,910,143
- Issue date Jun 21, 2005
- International Business Machines Corporation
- Shigefumi Odaohhara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Power supply unit, battery electrical apparatus, and memory effect...
- Patent number 6,518,730
- Issue date Feb 11, 2003
- International Business Machines Corporation
- Hiroshi Nakagawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply for electronic device, and electronic device system
- Patent number 5,465,039
- Issue date Nov 7, 1995
- International Business Machines Corporation
- Izuru Narita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Power supply unit, battery, electrical apparatus, and memory effect...
- Publication number 20020021110
- Publication date Feb 21, 2002
- International Business Machines Corporation
- Hiroshi Nakagawa
- G01 - MEASURING TESTING