Honda Motor Co., Ltd.

Kenji Shirae

Satoshi Miwa

Hidenobu Tanaka

Kazuma Kuno

A computer program is embodied on a non-transitory computer readable medium. The computer program manages order of parts according to a production plan. The computer program, when run on a computer, controls the computer to execute functions comprising developing a plurality of parts necessary to produce a product which comprises at least one of a first product model and a second product model, and required volume of each of the parts according to the product model. The program also controls the computer to compare parts which were developed and required volume of the parts for the first product model with the parts which were developed and required volume of the parts for the second product model. A difference is calculated between volume of the parts necessary for production of the first product model and volume of the parts necessary to produce the second product model concerning each of the parts for the first and the second product models according to an input of a production change from the first product model for which parts have been ordered to the second product model. The program then controls the computer to display the parts and volume of the parts necessary to produce the second product model in association with the difference on a display screen.

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Tokyo, Japan

Kenji Shirae