MKM's parent company, Mitsubishi Chemical Corporation (MCC), is one of Japan's largest chemical companies.

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Mitsubishi Chemical, Japan's largest chemical maker, has earned an operating profit greater than nonoperating expenses and one-time writeoffs only four times in the last quarter-century, figures Toby Williams, head of Asian chemical research at SBC Warburg in Hong Kong.

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What we do know is Mitsubishi Gas Chemical Co.

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For example, two firms, Mitsubishi Gas Chemical and Hitachi Chemical, control about 90% of the market for a specialty resin used to bond parts of microchips that go in to smartphones and other devices.

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