Patent assignee · JP · COMPANY

Mitsubishi Chemical Industries, Ltd.

613Patents
0Active
613Granted
45Portfolio score

Filing activity: Jun 4, 1969 → Aug 18, 1994

Most-cited patents

PatentTitleAreaCited byStatus
US4472328A Process for producing porous film or sheet Emerging Cross-Sectional Technologies 168 Expired
US4051787A Plastic pallet Emerging Cross-Sectional Technologies 123 Expired
US4333927A Skin preparation Human Necessities 112 Expired
US4427670A Skin preparation Human Necessities 109 Expired
US4278747A Electrophotographic plate comprising a conductive substrate and a photosensitive layer containing an organic photoconductor layer composed of a hydrazone compound Physics 100 Expired
US4834944A Automatic analytical apparatus Physics 88 Expired
US4812698A Piezoelectric bending actuator Electricity 76 Expired
US4772748A Process for producing highly pure terephthalic acid Chemistry; Metallurgy 76 Expired
US4613700A Process for producing aromatic aldehydes Chemistry; Metallurgy 74 Expired
US4863972A Porous cross-linked polyvinyl alcohol particles, process for producing the same, and separating agent composed of the same Chemistry; Metallurgy 67 Expired
US4260680A Method and apparatus for the measurement of glucose content Physics 64 Expired
US4182633A Process of the operation of a simulated moving bed Performing Operations; Transporting 64 Expired
US4018915A N.sup.2 -alkoxynaphthalenesulfonyl-L-argininamides and the pharmaceutically acceptable salts thereof Human Necessities 61 Expired
US4018913A N.sup.2 -alkoxynaphthalenesulfonyl-L-argininamides and the pharmaceutically acceptable salts thereof Chemistry; Metallurgy 59 Expired
US4614521A Transfer recording method using reactive sublimable dyes Emerging Cross-Sectional Technologies 58 Expired
US4877900A Process for preparing terephthalic acid of high quality Chemistry; Metallurgy 58 Expired
US4719296A Spiroxazine compounds Physics 55 Expired
US4593122A Process for preparing terephthalic acid by the catalytic oxidation with air of p-xylene in a water containing acetic acid solvent Emerging Cross-Sectional Technologies 54 Expired
US4036955A N.sup.2 -naphthalenesulfonyl-L-argininamides and the pharmaceutically acceptable salts thereof Human Necessities 54 Expired
US4055636A N.sup.2 -alkoxynaphthalenesulfonyl-L-argininamides and the pharmaceutically acceptable salts thereof Human Necessities 52 Expired
US3938448A Plastic pallet Performing Operations; Transporting 52 Expired
US4046876A N.sup.2 -alkoxynaphthalenesulfonyl-L-argininamides and the pharmaceutically acceptable salts thereof Human Necessities 51 Expired
US4041156A N.sup.2 -alkoxynaphthalenesulfonyl-L-argininamides and the pharmaceutically acceptable salts thereof Human Necessities 51 Expired
US4055651A N.sup.2 -alkoxynaphthalenesulfonyl-L-argininamides and the pharmaceutically acceptable salts thereof Human Necessities 49 Expired
US4073914A N.sup.2 -naphthalenesulfonyl-L-argininamides and the pharmaceutically acceptable salts thereof Human Necessities 49 Expired

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