Kabushiki Kaisha Toshiba

Kumiko Amemiya

Kazuhito Haruki

Yoshinori Kobayashi

A product environmental load evaluation method comprises computing fuel input coefficients, inverse matrix coefficients and input coefficient matrix of imported goods referring to an Input-Output table regarding domestic goods, generating emission coefficients referring to an existing data stochastic document, estimating a direct emission matrix based on fuel input coefficients and emission coefficients, computing environmental load of the domestic goods based on the inverse matrix coefficients and direct emission matrix, computing overseas environmental load emission coefficients of the imported goods based on overseas parameter every addition of an imported good, computing imported good environmental load based on the input coefficient matrix of the imported goods and the overseas environmental load emission coefficients, and computing product environmental load by adding the domestic good environmental load to be provided fixedly and the imported good environmental load updated every addition of an imported good.

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Kawasaki, Japan

Kumiko Amemiya