Junzo Komatsu

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Water-turbine runner and process for manufacturing the same
- Patent number 5,035,579
- Issue date Jul 30, 1991
- Hitachi, Ltd.
- Masami Yada
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Method for construction of water intake portion of hydraulic machine
- Patent number 4,134,530
- Issue date Jan 16, 1979
- Hitachi, Ltd.
- Kagehiko Yamamoto
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...