Operation-time calculation device and method for calculating operation time

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United States of America Patent

PATENT NO 9851713
SERIAL NO

14361379

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Abstract

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The operation-time calculation device is configured such that the following processes are performed: a process in which operation-data information, work-time information, and operation-time information are stored in a storage unit, an input unit receives from a user parameter input at least including steps to be aggregated, aggregation start time, aggregation finish time, and aggregation unit time period, and a controller sets the aggregation time period on the basis of the parameters that were input; a process for converting total work time of the steps to be aggregated in each aggregation time period and the corresponding operation time using an operation-time conversion coefficient and calculating total operation time of the steps to be aggregated in the aggregation time period; a process for calculating the differential between total work time of the aggregation time period and total operation time; and a process for changing the operation-time conversion coefficient to minimize the differential.

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Patent Owner(s)

Patent OwnerAddress
HITACHI LTDTOKYO JAPAN TOKYO METROPOLIS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ishibashi, Hisaya Tokyo, JP 20 362
Nagahara, Satoshi Tokyo, JP 18 71

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