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Sendai, JP
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Patents Grants
last 30 patents
Information
Patent Grant
A.C. electric motors having a stator forming orthogonal magnetic paths
Patent number
4,764,698
Issue date
Aug 16, 1988
Tohoku Metal Industries, Ltd.
Koichi Murakami
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Magnetically traceable explosives with stability and a method for t...
Patent number
4,537,645
Issue date
Aug 27, 1985
Tohoku Metal Industries, Ltd.
Tadashi Yamaguchi
C06 - EXPLOSIVES MATCHES
Information
Patent Grant
Air-flow-rate sensors
Patent number
4,516,101
Issue date
May 7, 1985
Tohoku Metal Industries, Ltd.
Michio Nemoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Circuit for driving a switching transistor
Patent number
4,481,431
Issue date
Nov 6, 1984
Tohoku Metal Industries, Ltd.
Hisao Nishino
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method for the preparation of magnetically traceable explosives
Patent number
4,455,179
Issue date
Jun 19, 1984
Tohoku Metal Industries, Ltd.
Tadashi Yamaguchi
C06 - EXPLOSIVES MATCHES
Information
Patent Grant
Switching regulator with base charge removal circuit
Patent number
4,420,804
Issue date
Dec 13, 1983
Tohoku Metal Industries, Ltd.
Hisao Nishino
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Transient-noise simulators
Patent number
4,419,628
Issue date
Dec 6, 1983
Tohoku Metal Industries, Ltd.
Yoshiro Sato
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Circuit for injecting simulating-noise signals in a power line
Patent number
4,417,207
Issue date
Nov 22, 1983
Tohoku Metal Industries, Ltd.
Yoshiro Sato
G01 - MEASURING TESTING
Information
Patent Grant
Multiple resonant electromechanical filters using edge-mode vibrati...
Patent number
4,396,895
Issue date
Aug 2, 1983
Tohoku Metal Industries, Ltd.
Hiroshi Shimizu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Thermo-magnetically operated switches having two different operatin...
Patent number
4,389,628
Issue date
Jun 21, 1983
Tohoku Metal Industries, Ltd.
Hiroyasu Sato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Piezoelectric resonators of an energy-trapping type of a width exte...
Patent number
4,356,421
Issue date
Oct 26, 1982
Tohoku Metal Industries, Ltd.
Hiroshi Shimizu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Thermo-magnetically operated switches having two different operatin...
Patent number
4,325,042
Issue date
Apr 13, 1982
Tohoku Metal Industries, Ltd.
Masanori Endo
H01 - BASIC ELECTRIC ELEMENTS