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Patent applications and USPTO patent grants for Ohmatsuzawa; Takeshi.The latest application filed is for "catalyst for polyester production, process for producing polyester using the catalyst, polyester obtained by the process, and uses of the polyester".
Patent | Date |
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Catalyst for polyester production, process for producing polyester using the catalyst, polyester obtained by the process, and uses of the polyester Grant RE40,571 - Ohmatsuzawa , et al. November 11, 2 | 2008-11-11 |
Catalyst For Polyester Production, Process For Producing Polyester Using The Catalyst, Polyester Obtained By The Process, And Uses Of The Polyester App 20020137879 - Ohmatsuzawa, Takeshi ;   et al. | 2002-09-26 |
Catalyst for polyester production, process for producing polyester using the catalyst, polyester obtained by the process, and uses of the polyester Grant 6,346,070 - Ohmatsuzawa , et al. February 12, 2 | 2002-02-12 |
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