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Speed controller
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Patent number 4,879,754
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Issue date Nov 7, 1989
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Matsushita Electric Industrial Co., Ltd.
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Kunihira Tadashi
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Servo system
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Patent number 4,636,696
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Issue date Jan 13, 1987
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Matsushita Electric Industrial Co., Ltd.
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Hiroshi Minakuchi
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Driving circuit for brushless DC motors
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Patent number 4,633,150
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Issue date Dec 30, 1986
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Matsushita Electric Industrial Co., Ltd.
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Toshio Inaji
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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-
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Binary counter
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Patent number 4,509,182
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Issue date Apr 2, 1985
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Matsushita Electric Industrial Co., Ltd.
-
Hiroshi Minakuchi
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H03 - BASIC ELECTRONIC CIRCUITRY
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-
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Programmable frequency divider
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Patent number 4,331,926
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Issue date May 25, 1982
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Matsushita Electric Industrial Co., Ltd.
-
Hiroshi Minakuchi
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H03 - BASIC ELECTRONIC CIRCUITRY
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Frequency synthesizer
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Patent number 4,301,422
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Issue date Nov 17, 1981
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Matsushita Electric Industrial Co., Ltd.
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Hiroshi Minakuchi
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H03 - BASIC ELECTRONIC CIRCUITRY
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-
-
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Digital frequency-phase comparator
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Patent number 4,277,754
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Issue date Jul 7, 1981
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Matsushita Electric Industrial Co., Ltd.
-
Hiroshi Minakuchi
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H03 - BASIC ELECTRONIC CIRCUITRY
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Speed controller for rotary machine
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Patent number 4,242,618
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Issue date Dec 30, 1980
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Matsushita Electric Industrial Co., Ltd.
-
Hiroshi Minakuchi
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Frequency synthesizer
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Patent number 4,207,539
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Issue date Jun 10, 1980
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Matsushita Electric Industrial Co., Ltd.
-
Hiroshi Minakuchi
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H03 - BASIC ELECTRONIC CIRCUITRY
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Mixing circuit for digital signals
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Patent number 4,191,927
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Issue date Mar 4, 1980
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Matsushita Electric Industrial Co., Ltd.
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Hiroshi Minakuchi
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H03 - BASIC ELECTRONIC CIRCUITRY
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-
-
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Motor speed regulator
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Patent number 4,153,864
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Issue date May 8, 1979
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Matsushita Electric Industrial Co., Ltd.
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Hiroshi Minakuchi
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Motor speed control system
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Patent number 4,149,116
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Issue date Apr 10, 1979
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Matsushita Electric Industrial Co., Ltd.
-
Hiroshi Minakuchi
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Rotation control system
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Patent number 4,114,075
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Issue date Sep 12, 1978
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Matsushita Electric Industrial Co., Ltd.
-
Hiroshi Minakuchi
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER