Eiji Maeda

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Shimizu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fluid machine with resin-coated scroll members
- Patent number 4,802,831
- Issue date Feb 7, 1989
- Hitachi, Ltd.
- Kazutaka Suefuji
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Impeller of centrifugal blower
- Patent number 4,647,271
- Issue date Mar 3, 1987
- Hitachi, Ltd.
- Makoto Nagai
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Shake-out machine for use with self-curing mold
- Patent number 4,103,731
- Issue date Aug 1, 1978
- Hitachi, Ltd.
- Shunichi Aoki
- B22 - CASTING POWDER METALLURGY