Patents by Inventor Shoichiro Ozaki

Shoichiro Ozaki 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).

  • Patent number: 8853424
    Abstract: The present invention provides a protein cross-linking inhibitor containing a compound represented by any of the following formulas (1)-(13), or a pharmaceutically acceptable salt thereof: R3—[—X—B(ZR1)—Y—B(ZR2)—W—]n—R4,??(1) R3—[—X—B(ZR1)—Y—]n—R4,??(2) R3—[—B(ZR1)—Y—B(ZR2)—W—]n—R4,??(3) R3—[—X—B(ZR1)—]n—R4,??(4) R3—[—B(ZR2)—W—]n—R4,??(5) R3—X—B(ZR1)-T[B(ZR2)—W—R4]2,??(6) R3—B(OH)2,??(7) R3—B(ZR1)—X—B(ZR2)—R4,??(8) R3—B(R1)—O—B(R2)—R4,??(9) R3—[—X—B(ZR1)—Y—B(ZR2)—]n—R4,??(10) R3—[—X—B(ZR1)—Y—B(ZR2)—W-Q-]n—R4,??(11) R3—[—P—X—B(ZR1)—Y—B(ZR2)—W—]n—R4,??(12) [R3—X—B(ZR1)—Y]2B(ZR2),??(13) wherein each symbol is as defined in the DESCRIPTION.
    Type: Grant
    Filed: August 11, 2009
    Date of Patent: October 7, 2014
    Assignee: Japan Science and Technology Agency
    Inventors: Katsuhiko Mikoshiba, Nobuyuki Nukina, Shoichiro Ozaki, Kouzo Hamada, Jun-Ichi Goto, Akinobu Suzuki, Etsuko Ebisui, Akiko Terauchi
  • Patent number: 8017809
    Abstract: A bisboron compound represented by the general formula (I): wherein B represents a boron atom, Y represents an oxygen or sulfur atom, R1 and R2 independently represent a monocyclic aromatic group, a polycyclic aromatic group, or a heterocyclic group containing at least one heteroatom selected from oxygen, nitrogen and sulfur atoms, R3 represents a hydrogen atom; —(CH2)m—NR4R5; —CO—(CH2)m—NR4R5; —COCH(NH2)R6; —CHR7R8; —CH2CH(NH2)—R9; quinolyl substituted with C1-C4 alkyl group; or C1-C4 alkyl substituted with pyridyl, piperidino or pyrrolidinyl group, and X represents a monocyclic aromatic group, a polycyclic aromatic group or a heterocyclic group, which may be the same as or different from R1 and R2, or a bifunctional group having a monocyclic aromatic group, polycyclic aromatic group or heterocyclic group bonded to each side of a group selected from the group consisting of a single bond, O, CH2, S, SO2, CH2OCH2, OCH2, OCH2CH2OCH2, OCH2OCH2CH2 and CH2OCH2CH2, or a salt thereof, and a composition for contr
    Type: Grant
    Filed: November 24, 2006
    Date of Patent: September 13, 2011
    Assignee: Japan Science and Technology Agency
    Inventors: Katsuhiko Mikoshiba, Shoichiro Ozaki, Akinobu Suzuki, Takeshi Nakamura, Kyoko Nakamura, legal representative, Aiko Nakamura, legal representative
  • Publication number: 20110212919
    Abstract: The present invention provides a protein cross-linking inhibitor containing a compound represented by any of the following formulas (1)-(13), or a pharmaceutically acceptable salt thereof: R3—[—X—B(ZR1)—Y—B(ZR2)—W—]n—R4,??(1) R3—[—X—B(ZR1)—Y—]n—R4,??(2) R3—[—B(ZR1)—Y—B(ZR2)—W—]n—R4,??(3) R3—[—X—B(ZR1)—]n—R4,??(4) R3—[—B(ZR2)—W—]n—R4,??(5) R3—X—B(ZR1)-T[B(ZR2)—W—R4]2,??(6) R3—B(OH)2,??(7) R3—B(ZR1)—X—B(ZR2)—R4,??(8) R3—B(R1)—O—B(R2)—R4,??(9) R3—[—X—B(ZR1)—Y—B(ZR2)—]n—R4,??(10) R3—[—X—B(ZR1)—Y—B(ZR2)—W-Q-]n—R4,??(11) R3—[—P—X—B(ZR1)—Y—B(ZR2)—W—]n—R4,??(12) [R3—X—B(ZR1)—Y]2B(ZR2),??(13) wherein each symbol is as defined in the DESCRIPTION.
    Type: Application
    Filed: August 11, 2009
    Publication date: September 1, 2011
    Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Katsuhiko Mikoshiba, Nobuyuki Nukina, Shoichiro Ozaki, Kouzo Hamada, Jun-Ichi Goto, Akinobu Suzuki, Etsuko Ebisui, Akiko Terauchi
  • Publication number: 20100087645
    Abstract: A bisboron compound represented by the general formula (I): wherein B represents a boron atom, Y represents an oxygen or sulfur atom, R1 and R2 independently represent a monocyclic aromatic group, a polycyclic aromatic group, or a heterocyclic group containing at least one heteroatom selected from oxygen, nitrogen and sulfur atoms, R3 represents a hydrogen atom; —(CH2)m—NR4R5; —CO—(CH2)m—NR4R5; —COCH(NH2)R6; —CHR7R8; —CH2CH(NH2)—R9; quinolyl substituted with C1-C4 alkyl group; or C1-C4 alkyl substituted with pyridyl, piperidino or pyrrolidinyl group, and X represents a monocyclic aromatic group, a polycyclic aromatic group or a heterocyclic group, which may be the same as or different from R1 and R2, or a bifunctional group having a monocyclic aromatic group, polycyclic aromatic group or heterocyclic group bonded to each side of a group selected from the group consisting of a single bond, O, CH2, S, SO2, CH2OCH2, OCH2, OCH2CH2OCH2, OCH2OCH2CH2 and CH2OCH2CH2, or a salt thereof, and a composition for contr
    Type: Application
    Filed: November 24, 2006
    Publication date: April 8, 2010
    Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Katsuhiko Mikoshiba, Shoichiro Ozaki, Akinobu Suzuki, Takeshi Nakamura
  • Patent number: 5292913
    Abstract: Disclosed herein are phosphoric acid esters of myoinositol, which are represented by the following general formula (I): ##STR1## and their salts, as well as a preparation process thereof. The myoinositol derivatives can each be obtained by causing a phosphorylating agent to act on a myoinositol derivative substituted with catalytic reduction removable substituent groups at the positions other than those desired to be substituted by phosphoric acid residual groups and then catalytically reducing the thus-phosphorylated myoinositol.
    Type: Grant
    Filed: September 24, 1992
    Date of Patent: March 8, 1994
    Assignee: Mitsui Toatsu Chemicals, Incorporated
    Inventors: Shoichiro Ozaki, Yutaka Watanabe, Akira Awaya, Yusaku Ishizuka
  • Patent number: 5264605
    Abstract: A process for preparing myoinositol polyphosphoric acid from myoinositol via a polyacylmyoinositol, a process for preparing a polysilyl-polyacylmyoinositol from a polyacylmyoinositol, and a process for preparing an optically active myoinositol polyphosphoric acid from the above product or a polysilylmyoinositol.
    Type: Grant
    Filed: February 20, 1991
    Date of Patent: November 23, 1993
    Assignee: Mitsui Toatsu Chemicals, Incorporated
    Inventors: Shoichiro Ozaki, Yutaka Watanabe
  • Patent number: 5252707
    Abstract: There are disclosed a novel inositol-1,4,5-triphosphoric acid derivative, inositol-1,3,4-triphosphoric acid derivative, inositol-1,3,4,5-tetraphosphoric acid derivative, and a bonded substance of the same and a protein. They control the metabolic process of an organism concerned with calcium ions to thereby exert a medicinal virtue.
    Type: Grant
    Filed: May 15, 1991
    Date of Patent: October 12, 1993
    Assignee: Mitsui Toatsu Chemicals Incorporated
    Inventors: Shoichiro Ozaki, Yutaka Watanabe, Masato Hirata, Akira Awaya
  • Patent number: 5202444
    Abstract: Optically active diols and hydroxycarboxylic acids and their esters are produced by deriving 1L-1,2:5,6-di-O-cyclohexylidene-chiro-inositol from 1L-chiro-inositol as an asymmetric source, followed by introduction of a selected class of sterically hindering and asymmetrically reactive groups into the first-mentioned compound and by subsequent reduction of the resulting compound. Seven specific inositols are also derivable from synthesis of those ultimate compounds.
    Type: Grant
    Filed: November 21, 1991
    Date of Patent: April 13, 1993
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Shoichiro Ozaki, Takahiko Akiyama, Kunio Kageyama, Morihisa Machida
  • Patent number: 5091549
    Abstract: A method of synthesizing D-myoinositol-1-phosphate from 1,2-(R.sup.1)-3-R.sup.2 -myoinositol compounds of the formula ##STR1## wherein R.sup.1 is a bridging type protective group bonded to two oxygen atoms at the 1- and 2-position, and R.sup.2 is a protective group coupled to the oxygen atom at the 3-position. D-Myoinositol-1-phosphate is useful as an intermediate for the production of inositol-1,4,5-triphosphate.
    Type: Grant
    Filed: August 31, 1990
    Date of Patent: February 25, 1992
    Assignee: The Yokohama Rubber Company, Ltd.
    Inventors: Shoichiro Ozaki, Takahiko Akiyama, Naoto Takechi, Kunio Kageyama, Morihisa Machida
  • Patent number: 4952717
    Abstract: Disclosed herein are phosphoric acid esters of myoinositol, which are represented by the following general formula (I): ##STR1## and their salts, as well as a preparation process thereof. The myoinositol derivatives can each be obtained by causing a phosphorylating agent to act on a myoinositol derivative substituted with catalytic reduction removable substituent groups at the positions other than those desired to be substituted by phosphoric acid residual groups and then catalytically reducing the thus-phosphorylated myoinositol.
    Type: Grant
    Filed: October 20, 1987
    Date of Patent: August 28, 1990
    Assignee: Mitsui Toatsu Chemicals, Incorporated
    Inventors: Shoichiro Ozaki, Yutaka Watanabe, Akira Awaya, Yusaku Ishizuka
  • Patent number: 4497815
    Abstract: A 1-(N-substituted carbamoyl)-5-fluorouracil derivative represented by the following general formula: ##STR1## R is a 4-alkoxycyclohexyl group-containing radical which is 2,3,4-trimethoxycyclohexcylethyl, 2,3,4-trimethoxycyclohexyl, 2,4-dimethoxycyclohexylmethyl, 3,4-dimethoxycyclohexylethyl, 2,4-dimethoxycyclohexyl, 2,4,5-trimethoxycyclohexyl, 3,4-dimethoxycyclohexylmethyl, 3,4,5-trimethoxycyclohexyl, 4-ethoxycyclohexyl or 4-ethoxycyclohexylmethyl. The compounds are carcinostatic agents. The compounds are used in a therapeutically effective amount in the presence of a carrier.
    Type: Grant
    Filed: January 5, 1983
    Date of Patent: February 5, 1985
    Assignee: Shoichiro Ozaki
    Inventors: Shoichiro Ozaki, Tomonori Hoshiko, Tomio Ogasawara
  • Patent number: 4376768
    Abstract: N-(6-chloro-2-pyridyl)-3,4-dihydro-2-methyl-4-oxo-2H-1,2-benzothiazine-3-ca rboxamide 1,1-dioxide that is a novel benzothiazine derivative. The compound is characterized by a low degree of toxicity and a low incidence of gastric disorders and useful as an anti-inflammatory agent.
    Type: Grant
    Filed: June 16, 1981
    Date of Patent: March 15, 1983
    Assignee: Mitsui Toatsu Chemicals, Inc.
    Inventors: Shoichiro Ozaki, Hideya Kobayashi, Haruki Mori, Takafumi Kitano, Hiroshi Kawazura, Yutaka Okazaki
  • Patent number: 4376119
    Abstract: N-(6-fluoro-2-pyridyl)-3,4-dihydro-2-methyl-4-oxo-2H-1,2-benzothiazine-3-ca rboxamide 1,1-dioxide that is a novel benzothiazine derivative. The compound is characterized by a low degree of toxicity and a low incidence of gastric disorders and useful as an anti-inflammatory agent.
    Type: Grant
    Filed: June 16, 1981
    Date of Patent: March 8, 1983
    Assignee: Mitsui Toatsu Chemicals, Inc.
    Inventors: Shoichiro Ozaki, Hideya Kobayashi, Haruki Mori, Hiroshi Kawazura, Yutaka Okazaki, Takafumi Kitano, Mikio Kumakura, Takuo Nakano
  • Patent number: 4267326
    Abstract: New uracil derivatives of the general formula: ##STR1## wherein R.sup.1 stands for a hydrogen atom or a grouping of the formula: ##STR2## R.sup.2 for a hydrogen atom, an alkyl group or a phenyl group and R.sup.3 for an alkyl group or a phenyl group, with the proviso that when both R.sup.1 and R.sup.2 stand for a hydrogen atom, R.sup.3 stands for a phenyl group or a straight chain alkyl group with 3.about.11 carbon atoms, that when R.sup.1 stands for a hydrogen atom and R.sup.2 for methyl group, R.sup.3 stands for an alkyl group with at least 2 carbon atoms or a phenyl group, and that when R.sup.1 stands for a hydrogen atom and R.sup.3 for methyl group, R.sup.2 stands for an alkyl group with at least 2 carbon atoms or a phenyl group. These uracil derivatives are prepared by reacting 5-fluorouracil with an .alpha.-haloalkyl carboxylate or with an aldehyde diacylate or by hydrolyzing a 1,3-bis(acyloxymethyl)-5-fluorouracil with an acid or alkali.
    Type: Grant
    Filed: February 26, 1979
    Date of Patent: May 12, 1981
    Assignee: Mitsui Toatsu Chemicals, Incorporated
    Inventors: Shoichiro Ozaki, Yoshimasa Ike, Katsutoshi Ishikawa, Haruki Mori
  • Patent number: 4071519
    Abstract: 1-Carbamoyl-5-fluorouracil derivatives represented by the formula ##STR1## wherein R represents alkyl containing 3-8 carbon atoms are effective oral anti-tumor agents with low toxicity.
    Type: Grant
    Filed: November 5, 1975
    Date of Patent: January 31, 1978
    Assignee: Mitsui Toatsu Chemicals, Incorporated
    Inventors: Shoichiro Ozaki, Haruki Mori
  • Patent number: 4032524
    Abstract: 1-Carbamoyl-5-fluorouracil derivatives represented by the formula ##STR1## wherein R.sub.1 represents methyl, ethyl, phenyl or cyclohexyl and R.sub.2 represents hydrogen or is the same as R.sub.1 are effective anti-metabolites useful in treating lymphatic leukemia L1210, sarcoma 180A and Ehrlich ascites carcinoma in mice.
    Type: Grant
    Filed: September 24, 1976
    Date of Patent: June 28, 1977
    Assignee: Mitsui Toatsu Chemicals, Incorporated
    Inventors: Shoichiro Ozaki, Haruki Mori