Patents by Inventor Yoichi Ozawa

Yoichi Ozawa 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: 20060135486
    Abstract: The present invention relates to pharmaceutical compositions comprising a sulfonamide-including compound in combination with an angiogenesis inhibitor.
    Type: Application
    Filed: September 13, 2005
    Publication date: June 22, 2006
    Applicant: Eisai Co., Ltd.
    Inventors: Takashi Owa, Yoichi Ozawa, Taro Semba
  • Patent number: 7037548
    Abstract: The purpose of the present invention is to extract oil from the soybean material containing soybean germ as a main component, and to utilize it. The present invention relates to a method for producing a soybean material, comprising crudely crushing selected soybeans into a size of less than ½, and separating and concentrating a soybean germ fraction by means of sieving, sorting with air, separation based on the grain shape and the like, to the soybean germ fraction produced by said method, to oil prepared from the soybean material containing soybean germ as a main component, to oil containing 0.8% by weight or more of sterols' content, and to foods containing said oil.
    Type: Grant
    Filed: May 25, 2004
    Date of Patent: May 2, 2006
    Assignee: Ajinomoto Co., Inc.
    Inventors: Yoichi Ozawa, Akihiro Nakatani, Hitoshi Sato, Osamu Mori, Yukio Akiyama, Yasushi Morinaga, Yuji Nakata
  • Patent number: 7015241
    Abstract: An appetite-stimulating agent and a therapeutic agent for anorexia, each comprising, as an active ingredient, a sulfonamide derivative or sulfonic acid ester derivative represented by the following general formula (I): wherein the ring A represents a monocyclic or bicyclic aromatic ring which may be substituted, the ring B represents a 6-membered unsaturated hydrocarbon ring or a 6-membered unsaturated heterocyclic ring containing one nitrogen atom as a heteroatom, each of which may be substituted, the ring C represents a 5-membered heterocyclic ring containing one or two nitrogen atoms, which may be substituted, W represents a single bond or —CH?CH—, X represents —N(R1)— or an oxygen atom, Y represents a carbon atom or a nitrogen atom, Z represents —N(R2)— or a nitrogen atom, and R1 and R2 may be identical or different and each represents a hydrogen atom or a lower alkyl group, or a pharmacologically acceptable salt thereof, or a hydrate thereof.
    Type: Grant
    Filed: September 5, 2002
    Date of Patent: March 21, 2006
    Assignee: Eisai Co., Ltd.
    Inventors: Takashi Owa, Yoichi Ozawa, Takayuki Hida, Norimasa Miyamoto, Takeshi Nagasu, Tatsuo Okauchi, Hiroshi Yoshino, Naoko Hata, Kentaro Yoshimatsu, Nozomu Koyanagi, Kyosuke Kito
  • Publication number: 20060030677
    Abstract: A method for preparing a functionalized polymer comprising the steps of preparing a pseudo-living polymer by polymerizing conjugated diene monomer with a lanthanide-based catalyst, and reacting the pseudo-living polymer with at least one functionalizing agent defined by the formula (I) where A is a substituent that will undergo an addition reaction with a pseudo-living polymer, R1 is a divalent organic group, R2 is a monovalent organic group, and each R4, which may be the same or different, is a monovalent organic group or a substituent defined by —OR5 where R5 is a monovalent organic group, with the proviso that A, R1, R2, R4, and R5 are substituents that will not protonate a pseudo-living polymer. Also, the functionalized polymer and a vulcanizable composition containing the polymer.
    Type: Application
    Filed: October 6, 2005
    Publication date: February 9, 2006
    Inventors: Yoichi Ozawa, H. Miller, Koji Masaki, Tatsuo Fujimaki, Takuo Sone, Iwakazu Hattori, Koichi Morita
  • Publication number: 20060025539
    Abstract: A method for preparing a functionalized polymer comprising the steps of preparing a pseudo-living polymer by polymerizing conjugated diene monomer with a lanthanide-based catalyst, where said pseudo-living polymer is characterized by having greater than about 85 percent of the polymer in the cis microstructure and less than about 3 percent of the polymer is in the 1,2- or 3,4-microstructure, and reacting the pseudo-living polymer with at least one functionalizing agent defined by the formula (I) or (II) where Z is a substituent that will react or interact with organic or inorganic fillers; R1 is a single bond or a divalent organic group; R2 is a monovalent organic group or a divalent organic group that forms a cyclic organic group with R13 or R14; R3 is a single bond, a divalent organic group, or a trivalent organic group that forms a cyclic organic group with R4 or R5; R13 is a single bond, a divalent organic group, or a trivalent organic group that forms a cyclic organic group with R2 or R14; R4 is a m
    Type: Application
    Filed: October 5, 2005
    Publication date: February 2, 2006
    Inventors: Yoichi Ozawa, H. Miller, Koji Masaki
  • Patent number: 6992147
    Abstract: A method for preparing a functionalized polymer comprising the steps of preparing a pseudo-living polymer by polymerizing conjugated diene monomer with a lanthanide-based catalyst, and reacting the pseudo-living polymer with at least one functionalizing agent defined by the formula (I) where A is a substituent that will undergo an addition reaction with a pseudo-living polymer, R1 is a divalent organic group, R2 is a monovalent organic group, and each R4, which may be the same or different, is a monovalent organic group or a substituent defined by —OR5 where R5 is a monovalent organic group, with the proviso that A, R1, R2, R4, and R5 are substituents that will not protonate a pseudo-living polymer. Also, the functionalized polymer and a vulcanizable composition containing the polymer.
    Type: Grant
    Filed: November 10, 2000
    Date of Patent: January 31, 2006
    Assignee: Bridgestone Corporation
    Inventors: Yoichi Ozawa, H. Jerrold Miller, Koji Masaki, Tatsuo Fujimaki, Takuo Sone, Iwakazu Hattori, Koichi Morita
  • Publication number: 20060004131
    Abstract: A functionalized polymer prepared by a process comprising the steps of preparing a pseudo-living polymer by polymerizing conjugated monomer with a lanthanide-based catalyst, and reacting the pseudo-living polymer with a functionalizing agent defined by the formula (I) A-R1-Z??(I) where R1 is a divalent bond or divalent organic group comprising from 0 to about 20 carbon atoms, A is a substituent that will undergo an addition reaction with a pseudo-living polymer, and Z is a substituent that will react or interact with silica or carbon black reinforcing fillers, with the proviso that A, R1, and Z are substituents that will not protonate a pseudo-living polymer.
    Type: Application
    Filed: August 31, 2005
    Publication date: January 5, 2006
    Inventors: Yoichi Ozawa, H. Miller, Koji Masaki, Koichi Morita, Tatsuo Fujimaki, Tetsuyo Ohumura, Takuo Sone, Iwakazu Hattori
  • Patent number: 6977281
    Abstract: A method for preparing a functionalized polymer comprising the steps of preparing a pseudo-living polymer by polymerizing conjugated diene monomer with a lanthanide-based catalyst, where said pseudo-living polymer is characterized by having greater than about 85 percent of the polymer in the cis microstructure and less than about 3 percent of the polymer is in the 1,2- or 3,4-microstructure, and reacting the pseudo-living polymer with at least one functionalizing agent defined by the formula (I) or (II) where Z is a substituent that will react or interact with organic or inorganic fillers; R1 is a single bond or a divalent organic group; R2 is a monovalent organic group or a divalent organic group that forms a cyclic organic group with R13 or R14; R3 is a single bond, a divalent organic group, or a trivalent organic group that forms a cyclic organic group with R4 or R5; R13 is a single bond, a divalent organic group, or a trivalent organic group that forms a cyclic organic group with R2 or R14; R4 is a mo
    Type: Grant
    Filed: November 10, 2000
    Date of Patent: December 20, 2005
    Assignee: Bridgestone Corporation
    Inventors: Yoichi Ozawa, H. Jerrold Miller, Koji Masaki
  • Publication number: 20050154117
    Abstract: A flower-like nano-particle composition including a poly (alkenylbenzene) core and a poly (conjugated diene) or a poly(alkylene) surface layer is provided. The nano-particles have a mean average diameter less than about 100 nm and are substantially free of chain ends. The nano-particles can be modified via, for example, hydrogenation. The nano-particles can advantageously be incorporated into rubbers, elastomers, and thermoplastics.
    Type: Application
    Filed: January 12, 2004
    Publication date: July 14, 2005
    Inventors: Xiaorong Wang, Yoichi Ozawa, James Hall
  • Publication number: 20050131174
    Abstract: A method of producing cis-1,4-polydienes, the method comprising the step of contacting conjugated diene monomer with a lanthanide-based catalyst system in the presence of less than 20% by weight of organic solvent based on the total weight of monomer, organic solvent, and resulting polymer, where the lanthanide-based catalyst system is the combination of or reaction product of (a) a lanthanide compound, (b) an organoaluminum hydride, (c) a trihydrocarbylaluminum, and (d) a halogen-containing compound.
    Type: Application
    Filed: December 15, 2003
    Publication date: June 16, 2005
    Inventors: Steven Luo, William Cole, Yoichi Ozawa
  • Patent number: 6897270
    Abstract: A continuous process for producing conjugated diene polymers comprising the steps of contacting, within an hydrocarbon solvent and within a continuous reactor, conjugated diene monomer and a catalyst composition prepared by combining: (a) a lanthanide compound, (b) an alkylating agent, and (c) a halogen-containing compound, and maintaining a non-ideal flow pattern within the continuous reactor so that 10% of the reagents entering the reactor at a reference time t0 are still present within the continuous reactor at a time t0+xtrt, where trt is the residence time corresponding to ideal flow within the continuous reactor and x is a numeral greater than 1.5.
    Type: Grant
    Filed: February 28, 2002
    Date of Patent: May 24, 2005
    Assignee: Bridgestone Corporation
    Inventors: Yoichi Ozawa, David M. Roggeman, H. Jerrold Miller, Koji Masaki, Steven Luo, Thomas A. Antkowiak
  • Publication number: 20040242628
    Abstract: An appetite-stimulating agent and a therapeutic agent for anorexia, each comprising, as an active ingredient, a sulfonamide derivative or sulfonic acid ester derivative represented by the following general formula (I): 1
    Type: Application
    Filed: March 5, 2004
    Publication date: December 2, 2004
    Inventors: Takashi Owa, Yoichi Ozawa, Takayuki Hida, Norimasa Miyamoto, Takeshi Nagasu, Tatsuo Okauchi, Hiroshi Yoshino, Naoko Hata, Kentaro Yoshimatsu, Nozomu Koyanagi, Kyosuke Kito
  • Publication number: 20040224972
    Abstract: The present invention provides a medicinal composition having an excellent antitumor activity.
    Type: Application
    Filed: May 6, 2004
    Publication date: November 11, 2004
    Inventors: Yoichi Ozawa, Kentaro Yshimatsu, Junko Kai
  • Patent number: 6814998
    Abstract: The purpose of the present invention is to extract oil from the soybean material containing soybean germ as a main component, and to utilize it. The present invention relates to a method for producing a soybean material, comprising crudely crushing selected soybeans into a size of less than ½, and separating and concentrating a soybean germ fraction by means of sieving, sorting with air, separation based on the grain shape and the like, to the soybean germ fraction produced by said method, to oil prepared form the soybean material containing soybean germ as a main component, to oil containing 0.8% by weight or more of sterols' content, and to foods containing said oil.
    Type: Grant
    Filed: October 5, 2001
    Date of Patent: November 9, 2004
    Assignee: Ajinomoto Co., Inc.
    Inventors: Yoichi Ozawa, Akihiro Nakatani, Hitoshi Sato, Osamu Mori, Yukio Akiyama, Yasushi Morinaga, Yuji Nakata
  • Publication number: 20040219282
    Abstract: The purpose of the present invention is to extract oil from the soybean material containing soybean germ as a main component, and to utilize it.
    Type: Application
    Filed: May 25, 2004
    Publication date: November 4, 2004
    Applicant: Ajinomoto Co., Inc.
    Inventors: Yoichi Ozawa, Akihiro Nakatani, Hitoshi Sato, Osamu Mori, Yukio Akiyama, Yasushi Morinaga, Yuji Nakata
  • Patent number: 6787534
    Abstract: The present invention provides a sulfonamide- or sulfonylurea-containing heterocyclic compounds. Specifically, it provides a heterocyclic compound represented by the formula (I), a pharmacologically acceptable salt thereof or a hydrate of them.
    Type: Grant
    Filed: June 10, 2002
    Date of Patent: September 7, 2004
    Assignee: Eisai Co., Ltd.
    Inventors: Toru Haneda, Akihiko Tsuruoka, Junichi Kamata, Tadashi Okabe, Keiko Takahashi, Kazumasa Nara, Shinichi Hamaoka, Norihiro Ueda, Toshiaki Wakabayashi, Yasuhiro Funahashi, Taro Semba, Naoko Hata, Yuji Yamamoto, Yoichi Ozawa, Naoko Tsukahara, Takashi Owa
  • Patent number: 6765066
    Abstract: A process for forming a copolymer comprising the steps of (i) preparing a living polymer segment by using anionic polymerization techniques, (ii) modifying the living polymer by reacting it with an alkyl metal halide to form an organometallic polymeric intermediate, and (iii) preparing a second polymer segment from the organometallic polymeric intermediate by combining the intermediate, conjugated diene monomer, and a coordination catalyst that will polymerize the conjugated diene monomer.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: July 20, 2004
    Assignee: Bridgestone Corporation
    Inventor: Yoichi Ozawa
  • Publication number: 20040116638
    Abstract: A continuous process for producing conjugated diene polymers comprising the steps of contacting, within an hydrocarbon solvent and within a continuous reactor, conjugated diene monomer and a catalyst composition prepared by combining: (a) a lanthanide compound, (b) an alkylating agent, and (c) a halogen-containing compound, and maintaining a non-ideal flow pattern within the continuous reactor so that 10% of the reagents entering the reactor at a reference time t0 are still present within the continuous reactor at a time t0+xtrt, where trt is the residence time corresponding to ideal flow within the continuous reactor and x is a numeral greater than 1.5.
    Type: Application
    Filed: January 20, 2004
    Publication date: June 17, 2004
    Inventors: Yoichi Ozawa, David M. Roggeman, H. Jerrold Miller, Koji Masaki, Steven Luo, Thomas A. Antkowiak
  • Patent number: 6699813
    Abstract: A catalyst composition that is the combination of or the reaction product of ingredients comprising (a) an lanthanide compound, (b) an alkylating agent, (c) a nickel-containing compound, and optionally (d) a halogen-containing compound, with the proviso that the halogen-containing compound must be present where none of the lanthanide compound, the alkylating agent, and the nickel-containing compound contain a labile halogen atom.
    Type: Grant
    Filed: November 4, 2002
    Date of Patent: March 2, 2004
    Assignee: Bridgestone Corporation
    Inventors: Steven Luo, Yoichi Ozawa, Koji Masaki, David Lawson
  • Patent number: 6673787
    Abstract: The present invention creates a novel antiangiogenic agent and provides an antitumor agent which shows high safety as compared with conventional antitumor agents, has a sure effect and is able to be administered for a long period. That is, it provides an indole compound represented by the following formula (I), its pharmacologically acceptable salt or hydrates thereof. In the formula, R1 represents hydrogen atom, a halogen atom or cyano group; R2 and R3 are the same as or different from and each represents hydrogen atom, a C1-C4 lower alkyl group or a halogen atom; R4 represents hydrogen atom or a C1-C4 lower alkyl group; and the ring A represents cyanophenyl group, aminosulfonylphenyl group, aminopyridyl group, aminopyrimidyl group, a halopyridyl group or cyanothiophenyl group, provided that the case where all of R1, R2 and R3 are hydrogen atoms, where both R2 and R3 are hydrogen atoms or where the ring A is aminosulfonyl group and both R1 and R2 are halogen atoms is excluded.
    Type: Grant
    Filed: March 18, 2002
    Date of Patent: January 6, 2004
    Assignee: Eisai Co., Ltd.
    Inventors: Toru Haneda, Akihiko Tsuruoka, Junichi Kamata, Tadashi Okabe, Keiko Takahashi, Kazumasa Nara, Shinichi Hamaoka, Norihiro Ueda, Takashi Owa, Toshiaki Wakabayashi, Yasuhiro Funahashi, Taro Semba, Naoko Hata, Yuji Yamamoto, Yoichi Ozawa, Noako Tsukahara