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Patent applications and USPTO patent grants for Hirakawa; Yoshiyuki.The latest application filed is for "request message control method for using service and service providing system".
Patent | Date |
---|---|
Request message control method for using service and service providing system App 20060069777 - Kato; Hideharu ;   et al. | 2006-03-30 |
Pharmaceutical preparation controlled to release medicinal active ingredient at targeted site in intestinal tract Grant 5,725,880 - Hirakawa , et al. March 10, 1 | 1998-03-10 |
Pharmaceutical preparation controlled to release medicinal active ingredient at targeted site in intestinal tract Grant 5,614,220 - Hirakawa , et al. March 25, 1 | 1997-03-25 |
Controlled release succinic acid microcapsules coated with aqueous acrylics Grant 5,395,628 - Noda , et al. March 7, 1 | 1995-03-07 |
Controlled release formulation for pharmaceutical compounds Grant 5,320,853 - Noda , et al. June 14, 1 | 1994-06-14 |
Controlled release pharmaceutical preparation and method for producing the same Grant 5,068,112 - Samejima , et al. November 26, 1 | 1991-11-26 |
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