Mitsubishi Paper Mills Ltd. engages in the manufacture and sale of paper, pulp, and photosensitive materials. It operates through the following segments: Paper and Pulp, Imaging, Functional material, Warehouse and Transportation, and Others. The Paper and Pulp segment produces writing and printing papers, premium-quality papers, and pulp products. The Imaging segment develops photo-sensitive printing plates, inkjet papers, and photographic materials. The Functional material segment manufactures and sells filters, special and chemical papers. The Warehouse and Transportation segment provides warehousing and transportation related services. The Others segment manages sports facilities, insurance and travel agencies, real-estate and engineering businesses. The company was founded by Hisaya Iwasaki on April 1, 1898 and is headquartered in Tokyo, Japan.