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Patent applications and USPTO patent grants for Yokota; Koshiro.The latest application filed is for "oxidation catalyst and oxidation method".
Patent | Date |
---|---|
Oxidation catalyst and oxidation method Grant 8,614,349 - Yokota , et al. December 24, 2 | 2013-12-24 |
Method for producing a high quality aromatic polycarbonate Grant 7,652,123 - Yokota , et al. January 26, 2 | 2010-01-26 |
Oxidation Catalyst And Oxidation Method App 20080091044 - Yokota; Koshiro ;   et al. | 2008-04-17 |
Method for producing a high quality aromatic polycarbonate App 20070197764 - Yokota; Koshiro ;   et al. | 2007-08-23 |
Polycarbonate diol having high proportion of primary terminal OH Grant 7,005,495 - Konishi , et al. February 28, 2 | 2006-02-28 |
Process for the preparation of diol mixtures Grant 6,706,932 - Konishi , et al. March 16, 2 | 2004-03-16 |
Catalyst for use in producing carboxylic esters Grant RE38,283 - Yamamatsu , et al. October 21, 2 | 2003-10-21 |
Polycarbonate diol having high proportion of primary terminal oh App 20030176622 - Konishi, Mitsuo ;   et al. | 2003-09-18 |
Catalyst for use in producing carboxylic esters Grant 6,040,472 - Yamamatsu , et al. March 21, 2 | 2000-03-21 |
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