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Extinction blocking for GTOs
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Patent number 5,053,940
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Issue date Oct 1, 1991
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Asea Brown Boveri Aktiengesellschaft
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Michael Peppel
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Damping circuit for turn-off valves
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Patent number 4,888,676
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Issue date Dec 19, 1989
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BBC Brown Boveri AG
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Urs Zurcher
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Power conversion circuit
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Patent number 4,835,408
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Issue date May 30, 1989
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Tasc Drives Limited
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William F. Ray
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Power converter device
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Patent number 4,639,850
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Issue date Jan 27, 1987
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Mitsubishi Denki Kabushiki Kaisha
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Takeaki Asaeda
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Inverter apparatus
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Patent number 4,517,636
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Issue date May 14, 1985
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Tokyo Shibaura Denki Kabushiki Kaisha
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Hiroshi Uchino
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Pulse width modulation inverter
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Patent number 4,455,599
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Issue date Jun 19, 1984
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Hitachi, Ltd.
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Kaoru Tamura
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Lifting device for driving a load
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Patent number 4,400,656
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Issue date Aug 23, 1983
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Eldurail Industrie en Handelsonderneming B.V.
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Arnoldus T. H. Duis
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Self-commutated inverter
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Patent number 4,386,396
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Issue date May 31, 1983
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Asea Aktiebolag
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Lennart Angquist
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Electrical valve circuit apparatus
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Patent number 3,984,752
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Issue date Oct 5, 1976
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Mitsubishi Denki Kabushiki Kaisha
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Masahiko Akamatsu
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Electrical inverter circuit
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Patent number 3,967,184
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Issue date Jun 29, 1976
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C.A.V. Limited
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Brian John Chalmers
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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