Tatsuhiro Tani

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Katsuta, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of producting an electric contact
- Patent number 4,821,412
- Issue date Apr 18, 1989
- Hitachi, Ltd.
- Tatsuhiro Tani
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Magneto D.C. motor having elastic magnet mounting retainers
- Patent number 4,745,319
- Issue date May 17, 1988
- Hitachi, Ltd.
- Tosio Tomite
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Magnetic cover member for magnetic poles of DC motor
- Patent number 4,707,630
- Issue date Nov 17, 1987
- Hitachi, Ltd.
- Tosio Tomite
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Armature for direct current motor with imbalance correction
- Patent number 4,644,201
- Issue date Feb 17, 1987
- Hitachi, Ltd.
- Tatsuhiro Tani
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method of production of cylindrical body
- Patent number 4,628,720
- Issue date Dec 16, 1986
- Hitachi, Ltd.
- Tatsuhiro Tani
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...