Patent assignee · JP · COMPANY

Grand Polymer Co., Ltd.

9Patents
0Active
9Granted
27Portfolio score

Filing activity: Apr 1, 1998 → Feb 3, 2000

Most-cited patents

PatentTitleAreaCited byStatus
US6306973A Polypropylene block-copolymer resin and process for producing it Chemistry; Metallurgy 95 Expired
US6251997A Polypropylene resin composition and injection-molded article thereof Chemistry; Metallurgy 50 Expired
US6320009A Polypropylene resin composition and injection-molded article Chemistry; Metallurgy 39 Expired
US6350828B1 Polypropylene resin composition and use thereof Chemistry; Metallurgy 31 Expired
US6214934A Polypropylene resin composition for use in automotive inner and outer trims Chemistry; Metallurgy 17 Expired
US6190153A Oriented film producing facility with thickness and orientation control means Performing Operations; Transporting 11 Expired
US6110547A Method of molding automobile outer trim part, laminated film or sheet for use therein and automobile outer trim part Emerging Cross-Sectional Technologies 8 Expired
US6121363A Crystalline propylene block-copolymer composition for use in automobile parts Chemistry; Metallurgy 4 Expired
US6376628B1 Process for polymerization of alpha-olefin and alpha-olefin polymer Chemistry; Metallurgy 4 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.