Patents Assigned to Dojin Iyaku-Kako Co., Ltd.
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Patent number: 8114434Abstract: The invention provides an analgesic anti-inflammatory patch of a hydrophobic type for topical application containing, in a Pressure Sensitive Adhesive(PSA), diclofenac sodium, pyrrolidone or a derivative thereof, a polyhydric alcohol fatty acid ester, and an organic acid. The patch exerts the following effects: (1) diclofenac sodium is effectively and continuously released from a Pressure Sensitive Adhesive(PSA) and percutaneously absorbed, thereby attaining sustained, excellent pharmaceutical and pharmacological effects; (2) the patch per se has high tackiness and safety; and (3) diclofenac sodium remains stable in the Pressure Sensitive Adhesive(PSA).Type: GrantFiled: November 9, 2009Date of Patent: February 14, 2012Assignees: Tokuhon Corporation, SSP Co., Ltd., Dojin Iyaku Kako Co., Ltd.Inventors: Yasuhiko Sasaki, Yukihiro Matsumura, Masaru Yamazaki, Hiroshi Arai, Shogo Kawabata, Masaaki Saito, Hirohisa Okuyama, Makoto Suzuki
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Patent number: 7651700Abstract: The invention provides an analgesic anti-inflammatory patch of a hydrophobic type for topical application containing, in a Pressure Sensitive Adhesive (PSA), diclofenac sodium, pyrrolidone or a derivative thereof, a polyhydric alcohol fatty acid ester, and an organic acid. The patch exerts the following effects: (1) diclofenac sodium is effectively and continuously released from a Pressure Sensitive Adhesive (PSA) and percutaneously absorbed, thereby attaining sustained, excellent pharmaceutical and pharmacological effects; (2) the patch per se has high tackiness and safety; and (3) diclofenac sodium remains stable in the Pressure Sensitive Adhesive (PSA).Type: GrantFiled: May 22, 2002Date of Patent: January 26, 2010Assignees: Tokuhon Corporation, SSP Co., Ltd., Dojin Iyaku-Kako Co., Ltd.Inventors: Yasuhiko Sasaki, Yukihiro Matsumura, Masaru Yamazaki, Hiroshi Arai, Shogo Kawabata, Masaaki Saito, Hirohisa Okuyama, Makoto Suzuki
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Publication number: 20070213406Abstract: An anti-inflammatory analgesic external aqueous liquid preparation that excels in percutaneous absorbability and applicability, and being stable over time. There is provided an anti-inflammatory analgesic external aqueous liquid preparation comprising diclofenac or its salt, a dibasic acid ester, a lower alcohol, and 0.05 to 0.45 wt % of thickening agent.Type: ApplicationFiled: March 23, 2005Publication date: September 13, 2007Applicant: DOJIN IYAKU-KAKO CO., LTDInventors: Yutaka Kawamura, Itsuro Fujita
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Patent number: 5602234Abstract: An antibody solution containing (1) an antibody or a labelled antibody, (2) albumin, and (3) an azo dye containing naphthalenesulfonic acid in its structure and a method for stabilizing an antibody or a labelled antibody comprising adding albumin and an azo dye containing naphthalenesulfonic acid in its structure to a solution of an antibody or a labelled antibody are disclosed.Type: GrantFiled: February 13, 1995Date of Patent: February 11, 1997Assignee: Dojin Iyaku-Kako Co., Ltd.Inventor: Yoichi Sawayanagi
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Patent number: 5482973Abstract: A suppository comprising pranoprofen is disclosed. The suppository has analgesic or anti-inflammatory effects. Since pranoprofen is administered away from gastrointestinal tracts, application of the suppository is not accompanied by side effects such as peptic ulcer, bleeding in constipation, and diarrhea. It is particularly suitable for patients with disorders in digestive organs and infant patients. Pranoprofen is released constantly over a extended period of time.Type: GrantFiled: October 15, 1993Date of Patent: January 9, 1996Assignee: Dojin Iyaku-Kako Co., Ltd.Inventors: Yoichi Sawayanagi, Yutaka Kawamura
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Patent number: 5296235Abstract: A plaster comprising pranoprofen, a hydrophilic or hydrophobic base component, and an absorbefacient is disclosed. The plaster is effective for curing arthritis deformans, muscle ache, distention after external injuries, and aches. Since pranoprofen is administered away from gastrointestinal tracts, application of the plaster is not accompanied by side effects such as peptic ulcer, bleeding in constipation, and diarrhea. It can release pranoprofen constantly over a extended period of time.Type: GrantFiled: May 19, 1992Date of Patent: March 22, 1994Assignee: Dojin Iyaku-Kako Co., Ltd.Inventors: Yoichi Sawayanagi, Yutaka Kawamura
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Patent number: 5225206Abstract: A sustained-release pranoprofen preparation is disclosed. The preparation comprises an effective amount of pranoprofen and one or more sustained-release components selected from the group consisting of oily components, water-soluble components, water-insoluble components, and intestinally soluble components. It controls release of pranoprofen and lowers the maximum pranoprofen concentration in blood, maintaining its concentration in blood at a certain level for a long period of time. It reduces risks of side effects and can effectively treat diseases with dosing once or twice a day.Type: GrantFiled: February 4, 1992Date of Patent: July 6, 1993Assignees: SS Pharmaceutical Co., Ltd., Dojin Iyaku-Kako Co., Ltd.Inventors: Masunari Fushimi, Hideyoshi Kanbe, Shuichi Kasai, Akira Iwasa, Yoichi Sawayanagi
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Patent number: 4948581Abstract: A diclofenac sodium preparation comprising a rapidly soluble component including an active ingredient consisting essentially of diclofenac sodium, and an enteric component including an active ingredient consisting essentially of diclofenac sodium and an enteric coating therefor provides prolonged action when the enteric coating is formed from a mixture comprising 100 parts by weight of a methacrylic acid-methyl methacrylate copolymer, 3-40 parts by weight of a glycerin fatty acid ester, and 1-150 parts by weight of talc.Type: GrantFiled: February 15, 1989Date of Patent: August 14, 1990Assignee: Dojin Iyaku-Kako Co., Ltd.Inventors: Yoichi Sawayanagi, Yoshiharu Otani