Patents by Inventor Hiromichi Matsuura

Hiromichi Matsuura 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: 20110227301
    Abstract: A vehicle height adjusting apparatus of a hydraulic shock absorber has a hydraulic pump carrying out a pumping action by an extending and retracting motion of a piston rod with respect to a damper tube so as to feed a working fluid to a jack chamber of a hydraulic jack, and a blow valve releasing a jack pressure of the jack chamber which is pressurized by a plunger of the hydraulic jack exposed to a spring load on a suspension spring.
    Type: Application
    Filed: January 31, 2011
    Publication date: September 22, 2011
    Applicant: SHOWA CORPORATION
    Inventors: Osamu Nagai, Hiromichi Matsuura
  • Publication number: 20010044391
    Abstract: A lubricating oil composition comprising a zinc dithiophosphate and a zinc saturated aliphatic monocarboxylate dissolved in a base oil, wherein the zinc dithiophosphate and zinc saturated aliphatic monocarboxylate are in the ratio of equivalents from 6:1 to 45:1.
    Type: Application
    Filed: February 12, 1998
    Publication date: November 22, 2001
    Inventors: MICHIO SHIGA, TAKAHIRO MURAMATSU, HIROMICHI MATSUURA
  • Patent number: 6239111
    Abstract: The present invention discloses the use, in the manufacture of a preventive and therapeutic drug of a brain disease, of a compound represented by formula (1): CH2═CH—CH2—S(O)n—R  (1) [wherein R represents a hydrogen atom, an alkyl group, an alkenyl group, a substituted alkyl group, a substituted alkenyl group, an alkylthio group, an alkenylthio group, a phenyl group, a substituted phenyl group, a heterocyclic group, or a group derived from an amino acid or an oligopeptide by deletion of one hydrogen atom, and which group may have a protective group; and n is 0, 1, or 2], a glycoside thereof, or a salt of the compound or the glycoside. The drug of the present invention for ameliorating brain diseases, inhibiting reduction of brain neurons and promoting branching of neurites, is useful for the prevention and treatment of brain diseases such as dementia in association with degeneration and sloughing of brain neurons.
    Type: Grant
    Filed: January 26, 1998
    Date of Patent: May 29, 2001
    Assignee: Wakunaga Pharmaceutical Co., Ltd.
    Inventors: Toru Moriguchi, Hiromichi Matsuura, Hiroshi Saito
  • Patent number: 5962480
    Abstract: The present invention discloses a drug for ameliorating brain diseases which comprises as an active ingredient a compound represented by the following formula (1): ##STR1## or a salt thereof. Because of inhibiting a decrease in brain neurons and promoting branching of neurites, this drug is efficacious in the prevention and treatment of dementia, etc. in association with degeneration and sloughing of brain neurons.
    Type: Grant
    Filed: January 9, 1998
    Date of Patent: October 5, 1999
    Assignee: Wakunaga Pharmaceutical Co., Ltd.
    Inventors: Toru Moriguchi, Hiromichi Matsuura, Hiroshi Saito
  • Patent number: 5231114
    Abstract: A lipid peroxidation inhibitor contains a polysulfide compound represented by formula (I) as an active ingredient:R.sup.1 --(S).sub.m --R.sup.2 (I)wherein R.sup.1 and R.sup.2 are same or different hydrocarbon chains having 1 to 16 carbon atoms and m is an integer of 3 to 10. Among compounds (I) are found novel which are:R.sup.3 --(S).sub.n --R.sup.4 (II)wherein R.sup.3 and R.sup.4 are same or different lower alkenyl groups and n is an integer of 6 to 10. Pharmaceutical compositions which contain a polysulfide compound represented by formula (I) as an active ingredient, for preventing and curing diseases of thrombosis, arteiosclerosis, liver troubles, pulmonary edema, skin troubles, eye troubles and aging are also disclosed.
    Type: Grant
    Filed: April 13, 1992
    Date of Patent: July 27, 1993
    Assignee: Wakunaga Seiyaku Kabushiki Kaisha
    Inventors: Shoji Awazu, Toshiharu Horie, Yukihiro Kodera, Shinji Nagae, Hiromichi Matsuura, Yoichi Itakura
  • Patent number: 5149879
    Abstract: A lipid peroxidation inhibitor contains a polysulfide compound represented by formula (I) as an active ingredient:R.sup.1 --(S).sub.m --R.sup.2 (I)wherein R.sup.1 and R.sup.2 are same or different hydrocarbon chains having 1 to 16 carbon atoms and m is an integer of 3 to 10. Among compounds (I) are found novel which are:R.sup.3 --(S).sub.n --R.sup.4 (II)wherein R.sup.3 and R.sup.4 are same or different lower alkenyl groups and n is an integer of 6 to 10. Pharmaceutical compositions which contain a polysulfide compound represented by formula (I) as an active ingredient, for preventing and curing diseases of thrombosis, arteiosclerosis, liver troubles, pulmonary edema, skin troubles, eye troubles and aging are also disclosed.
    Type: Grant
    Filed: June 21, 1991
    Date of Patent: September 22, 1992
    Assignee: Wakunaga Seiyaku Kabushiki Kaisha
    Inventors: Shoji Awazu, Toshiharu Horie, Yukihiro Kodera, Shinji Nagae, Hiromichi Matsuura, Yoichi Itakura
  • Patent number: 5093505
    Abstract: Heterocyclic compounds of the general formula: ##STR1## wherein R.sup.11 is a hydroxyl group or a lower alkoxy group, R.sup.12 is a lower alkoxy group, R.sup.13 is a saturated or unsaturated hydrocarbon group, X is an oxygen atom or a sulfur atom, and Y is an oxygen atom or --NH-- which may have a lower alkyl substituent, or salts thereof are novel and effective in controlling carcinoma.
    Type: Grant
    Filed: May 25, 1990
    Date of Patent: March 3, 1992
    Assignee: Wakunaga Seiyaku Kabushiki Kaisha
    Inventors: Hoyoku Nishino, Yukihiro Kodera, Toshihiko Sumida, Susumu Yoshida, Hiromichi Matsuura, Yoichi Itakura
  • Patent number: 4876281
    Abstract: An antifungal agent comprising as an effective component a polysulfide compound represented by formulaR.sub.1 --S(O).sub.p --R.sub.2 (A)whereinR.sub.1 is CH.sub.3 --, CH.sub.2 .dbd.CHCH.sub.2 -- or C.sub.2 H.sub.5 OCO(CH.sub.2).sub.3 --,p is an integer 1 or 2, andR.sub.2 is --S--CH.sub.2 CH.dbd.CH.sub.2 or --CH.sub.2 CH(H) CH(H)--S.sub.q --S(O).sub.r --R.sub.3in which--CH.sub.2 CH(H) CH(H)-- is --CH.sub.2 CH.sub.2 CH.sub.2 -- or--CH.sub.2 CH.dbd.CH--,q is an integer 0 or 1, r is integer from 0 to 2, and R.sub.3 is selected from the group consisting of alkyl having 1 to 6 carbon atoms, benzyl, --CH.sub.2 CH.dbd.CH.sub.2, --CH.sub.2 CH.dbd.CHCH.sub.3, --(CH.sub.2).sub.3 COOC.sub.2 H.sub.5, and --CH.dbd.CHCH.sub.2 --S--(CH.sub.2).sub.3 COOC.sub.2 H.sub.5,with the proviso that p is 2 when R.sub.1 is CH.sub.2 .dbd.CHCH.sub.2 --, R.sub.2 is --CH.sub.2 CH(H) CH(H)--S.sub.q --S(O).sub.r --R.sub.3, --CH.sub.2 CH(H) CH(H)-- is --CH.sub.2 CH.dbd.CH--, q is 1, r is 0 and R.sub.3 is --CH.sub.2 CH.dbd.CH.sub.2.
    Type: Grant
    Filed: September 4, 1987
    Date of Patent: October 24, 1989
    Assignee: Wakunaga Seiyaku Kabushiki Kaisha
    Inventors: Susumu Yoshida, Shizutoshi Nakagawa, Tsuyoshi Ushiroguchi, Hiromichi Matsuura, Akira Yazaki