Yoshiji Hotta

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Hitachi, JP

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Patents Grantslast 30 patents

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Positive electrode activator for lithium secondary battery and lith...
- Patent number 6,458,488
- Issue date Oct 1, 2002
- Hitachi, Ltd.
- Kyoko Honbo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Lithium secondary battery
- Patent number 6,399,251
- Issue date Jun 4, 2002
- Hitachi, Ltd.
- Kyoko Honbo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Aluminum-stabilized superconductor and superconducting coil, and me...
- Patent number 5,189,386
- Issue date Feb 23, 1993
- Hitachi, Ltd.
- Naofumi Tada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Forced flow cooling-type superconducting coil apparatus
- Patent number 4,692,560
- Issue date Sep 8, 1987
- Hitachi, Ltd.
- Yoshiji Hotta
- H01 - BASIC ELECTRIC ELEMENTS