Ken Ichiryu

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for controlling eccentricity of rolls in rolli...
- Patent number 4,038,848
- Issue date Aug 2, 1977
- Hitachi, Ltd.
- Ken Ichiryu
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Gage control system for rolling mill
- Patent number 4,036,041
- Issue date Jul 19, 1977
- Hitachi, Ltd.
- Ken Ichiryu
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Low noise alternating current dynamoelectro machine
- Patent number 4,012,653
- Issue date Mar 15, 1977
- Hitachi, Ltd.
- Masayuki Shigeta
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Device for correcting floor level of hydraulic elevator
- Patent number 3,955,649
- Issue date May 11, 1976
- Hitachi, Ltd.
- Mitsuaki Takenoshita
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Sound preventive device for use in elevator
- Patent number 3,945,468
- Issue date Mar 23, 1976
- Hitachi, Ltd.
- Masaki Miura
- B66 - HOISTING LIFTING HAULING