Patents by Inventor Ichiro Hirotsu

Ichiro Hirotsu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20090275732
    Abstract: Provided is a pharmaceutical agent capable of efficiently improving blood circulation in a region where a circulatory disorder occurs and fully preventing or improving tissue damage as a preventive or therapeutic agent for circulatory disorders in general. As a result of the study of pharmacological effects of a compound in which a porphyrin metal complex is clathrated in albumin, it was found that the compound efficiently improves decreases in blood flow in circulatory disorders and fully prevents or improves tissue damage, thus the invention was achieved. That is, the invention is directed to an agent for improving a circulatory disorder including a compound in which a porphyrin metal complex is clathrated in albumin.
    Type: Application
    Filed: April 27, 2006
    Publication date: November 5, 2009
    Inventors: Ichiro Hirotsu, Yuki Ohkawa, Masanori Nozako, Saori Suzuki, Yukiko Kuwata, Makoto Sato
  • Publication number: 20060217291
    Abstract: There is provided a radiosensitizer containing an iron compound, more specifically, a radiosensitizer containing an iron compound selected from an inorganoiron compound, such as iron chloride, iron oxide, iron hydroxide, and iron sulfate; and an organoiron compound, such as saccharated ferric oxide, iron citrate, iron gluconate, chondroitin sulfate/iron colloid, cideferron, ferrotrenine, iron fumarate, iron pyrophosphate, a porphyrin-iron complex, and an albumin incorporating porphyrin-iron complex.
    Type: Application
    Filed: January 24, 2006
    Publication date: September 28, 2006
    Inventors: Ichiro Hirotsu, Yuki Ohkawa, Hisashi Yamamoto, Makoto Sato, Koichi Kobayashi, Hirohisa Horinouchi
  • Publication number: 20040235932
    Abstract: A pharmaceutical composition excellent for treatment or prevention of a glaucoma or an ocular hypertension, which inhibits the development of drug resistance, and which can be administered for a longer period of time is provided.
    Type: Application
    Filed: June 10, 2004
    Publication date: November 25, 2004
    Inventors: Kenji Yamazaki, Ichiro Hirotsu, Hiroshi Miyata, Makio Kitazawa
  • Patent number: 6569903
    Abstract: Ophthalmic compositions having negligible side effects on the heart can be obtained by using as the active ingredient an adrenergic &bgr; receptor agonist having a high selectivity toward adrenergic &bgr;2 receptor. These compositions are usable as preventives or therapeutics for xerophthalmic disorder and keratoconjunctival disorder.
    Type: Grant
    Filed: November 14, 2001
    Date of Patent: May 27, 2003
    Assignee: Rohto Pharmaceutical Co., Ltd.
    Inventors: Yoichi Honma, Yukie Akagi, Nobutoshi Matsushita, Ichiro Hirotsu
  • Publication number: 20030008805
    Abstract: Ophthalmic compositions having negligible side effects on the heart can be obtained by using as the active ingredient an adrenergic &bgr; receptor agonist having a high selectivity toward adrenergic &bgr;2 receptor. These compositions are usable as preventives or therapeutics for xerophthalmic disorder and keratoconjunctival disorder.
    Type: Application
    Filed: November 14, 2001
    Publication date: January 9, 2003
    Inventors: Yoichi Honma, Yukie Akagi, Nobutoshi Matsushita, Ichiro Hirotsu
  • Patent number: 6187769
    Abstract: A benzoxazepine derivative having the general formula (I) and its salts and medicaments containing the same as effective ingredients: wherein, n is an integer of 2 to 5, R1 indicates a hydrogen atom, halogen atom, C1 to C4 lower alkyl group, C1 to C4 lower alkoxyalkyl group, C1 to C4 halogenoalkyl group, cyano group, or ester group, R2 indicates a hydrogen atom, halogen atom, C1 to C4 lower alkyl group, C1 to C4 lower alkoxy group, or hydroxy group, a dotted line indicates the presence or absence of a binding bond, W indicates C, CH, or CH2 or a nitrogen atom, provided that, when W is a nitrogen atom, Z is bonded to W and the dotted line indicates the absence of a bond, and Z indicates an unsubstituted or substituted aromatic hydrocarbon ring group or an unsubstituted or substituted heterocyclic group).
    Type: Grant
    Filed: May 7, 1999
    Date of Patent: February 13, 2001
    Assignee: Suntory Limited
    Inventors: Toshio Tatsuoka, Katsuhide Kamei, Noriko Maeda, Teruyoshi Inoue, Mika Nakajima, Ichiro Hirotsu