Patents by Inventor Ryuichi Sakamoto
Ryuichi Sakamoto 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).
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Publication number: 20240095850Abstract: A non-transitory computer-readable storage medium storing therein an information management program for causing a computer to execute a process comprises: receiving property information indicating a reliability of a post uploaded on the Internet and a digital signature generated from the property information; and storing the property information, to which identification information of the post and the digital signature are added, in a storage.Type: ApplicationFiled: June 12, 2023Publication date: March 21, 2024Applicants: Fujitsu Limited, KEIO UNIVERSITYInventors: Takuya SAKAMOTO, Kazuaki NIMURA, Ryuichi MATSUKURA, Koji NAKAMICHI, Masayuki FUKUI, Shigeya SUZUKI, Osamu NAKAMURA, Ryosuke ABE
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Patent number: 10279025Abstract: A vaccine composition for birds comprising as an active ingredient a structure containing O-antigen derived from Gram-negative bacteria, provided that said structure does not contain a whole cell, and a process for preparing the same are provided. By using a structure containing O-antigen (e.g. lipopolysaccharide) derived from Gram-negative bacteria as an active ingredient in accordance with the present invention, alleviation of inoculation reaction and reduction in an amount of injection are attained as compared to the conventional whole-cells vaccine to thereby allow for the increase in the number of other antigens to be mixed therewith.Type: GrantFiled: June 15, 2017Date of Patent: May 7, 2019Assignee: THE CHEMO-SERO-THERAPEUTIC RESEARCH INSTITUTEInventors: Ryuichi Sakamoto, Masashi Sakaguchi
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Patent number: 10253072Abstract: The present invention is intended to provide an egg drop syndrome (EDS) vaccine that is capable of effectively preventing EDS and can be stably supplied. The EDS vaccine provided to this end contains as an active ingredient fused protein in which a polypeptide having a coiled-coil forming unit is bound to the knob region in the fiber protein of EDS virus (EDSV).Type: GrantFiled: March 16, 2015Date of Patent: April 9, 2019Assignee: KM Biologics Co., Ltd.Inventors: Kenichi Yamazaki, Kiyohiko Andoh, Ryuichi Sakamoto, Kiyotaka Suenaga, Takeshi Arakawa, Hirotaka Uefuji, Tetsuya Harakuni, Takeshi Miyata
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Publication number: 20170281745Abstract: A vaccine composition for birds comprising as an active ingredient a structure containing O-antigen derived from Gram-negative bacteria, provided that said structure does not contain a whole cell, and a process for preparing the same are provided. By using a structure containing O-antigen (e.g. lipopolysaccharide) derived from Gram-negative bacteria as an active ingredient in accordance with the present invention, alleviation of inoculation reaction and reduction in an amount of injection are attained as compared to the conventional whole-cells vaccine to thereby allow for the increase in the number of other antigens to be mixed therewith.Type: ApplicationFiled: June 15, 2017Publication date: October 5, 2017Applicant: THE CHEMO-SERO-THERAPEUTIC RESEARCH INSTITUTEInventors: Ryuichi SAKAMOTO, Masashi SAKAGUCHI
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Publication number: 20170044217Abstract: The present invention is intended to provide an egg drop syndrome (EDS) vaccine that is capable of effectively preventing EDS and can be stably supplied. The EDS vaccine provided to this end contains as an active ingredient fused protein in which a polypeptide having a coiled-coil forming unit is bound to the knob region in the fiber protein of EDS virus (EDSV).Type: ApplicationFiled: March 16, 2015Publication date: February 16, 2017Applicants: The Chemo-Sero-Therapeutic Research Institute, Jectas Innovators Company LimitedInventors: Kenichi YAMAZAKI, Kiyohiko ANDOH, Ryuichi SAKAMOTO, Kiyotaka SUENAGA, Takeshi ARAKAWA, Hirotaka UEFUJI, Tetsuya HARAKUNI, Takeshi MIYATA
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Publication number: 20160228526Abstract: A vaccine composition for birds comprising as an active ingredient a structure containing O-antigen derived from Gram-negative bacteria, provided that said structure does not contain a whole cell, and a process for preparing the same are provided. By using a structure containing O-antigen (e.g. lipopolysaccharide) derived from Gram-negative bacteria as an active ingredient in accordance with the present invention, alleviation of inoculation reaction and reduction in an amount of injection are attained as compared to the conventional whole-cells vaccine to thereby allow for the increase in the number of other antigens to be mixed therewith.Type: ApplicationFiled: April 14, 2016Publication date: August 11, 2016Applicant: THE CHEMO-SERO-THERAPEUTIC RESEARCH INSTITUTEInventors: Ryuichi SAKAMOTO, Masashi SAKAGUCHI
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Patent number: 9345756Abstract: A vaccine composition for birds comprising as an active ingredient a structure containing O-antigen derived from Gram-negative bacteria, provided that said structure does not contain a whole cell, and a process for preparing the same are provided. By using a structure containing O-antigen (e.g. lipopolysaccharide) derived from Gram-negative bacteria as an active ingredient in accordance with the present invention, alleviation of inoculation reaction and reduction in an amount of injection are attained as compared to the conventional whole-cells vaccine to thereby allow for the increase in the number of other antigens to be mixed therewith.Type: GrantFiled: February 19, 2013Date of Patent: May 24, 2016Assignee: THE CHEMO-SERO-THERAPEUTIC RESEARCH INSTITUTEInventors: Ryuichi Sakamoto, Masashi Sakaguchi
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Patent number: 9284982Abstract: A cage is made of a magnesium alloy such as AZ91D, and is molded by means of injection molding. In this cage, a confluence region is brought away to outside the cage during the injection molding. The confluence region is a region including a void formed by merging of flows of the magnesium alloy. When observing a cross sectional surface of the cage, a ratio of an ? phase having a grain size of 20 ?m or greater is less than 15% in the magnesium alloy constituting the cage.Type: GrantFiled: March 9, 2011Date of Patent: March 15, 2016Assignee: NTN CorporationInventors: Mitsuo Kawamura, Eiichiro Shimazu, Yasutake Hayakawa, Takahiro Okuno, Junichi Ooshimo, Ryuichi Sakamoto
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Publication number: 20150086590Abstract: A vaccine composition for birds comprising as an active ingredient a structure containing O-antigen derived from Gram-negative bacteria, provided that said structure does not contain a whole cell, and a process for preparing the same are provided. By using a structure containing O-antigen (e.g. lipopolysaccharide) derived from Gram-negative bacteria as an active ingredient in accordance with the present invention, alleviation of inoculation reaction and reduction in an amount of injection are attained as compared to the conventional whole-cells vaccine to thereby allow for the increase in the number of other antigens to be mixed therewith.Type: ApplicationFiled: February 19, 2013Publication date: March 26, 2015Applicant: THE CHEMO-SERO-THERAPEUTIC RESEARCH INSTITUTEInventors: Ryuichi Sakamoto, Masashi Sakaguchi
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Patent number: 8647634Abstract: A recombinant avian infectious coryza vaccine and a process for preparing the same are provided. A process for preparing a recombinant avian infectious coryza vaccine which comprises step of constructing E. coli that may produce as an inclusion body a fusion peptide consisting of peptides derived from outer-membrane protein of Avibacterium paragarinarum serotype A and serotype C, step of culturing said E. coli and collecting and purifying inclusion body from culture, and step of preparing a preparation comprising said purified inclusion body, and an avian infectious coryza vaccine comprising as an active ingredient the fusion peptide. A linker sequence may be inserted between the respective peptides comprising the fusion peptide. For the peptide derived from the serotypes A and C, an amino acid sequence region of Region 2 or its vicinity responsible for protection from infection may be used.Type: GrantFiled: December 24, 2009Date of Patent: February 11, 2014Assignee: The Chemo-Sero-Therapeutic Research InstituteInventors: Ryuichi Sakamoto, Susumu Baba, Masashi Sakaguchi, Hiroshi Mizokami
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Publication number: 20130183330Abstract: A recombinant avian infectious coryza vaccine and a process for preparing the same are provided. A process for preparing a recombinant avian infectious coryza vaccine which comprises step of constructing E. coli that may produce as an inclusion body a fusion peptide consisting of peptides derived from outer-membrane protein of Avibacterium paragarinarum serotype A and serotype C, step of culturing said E. coli and colleting and purifying inclusion body from culture, and step of preparing a preparation comprising said purified inclusion body, and an avian infectious coryza vaccine comprising as an active ingredient the fusion peptide. A linker sequence may be inserted between the respective peptides comprising the fusion peptide. For the peptide derived from the serotypes A and C, an amino acid sequence region of Region 2 or its vicinity responsible for protection from infection may be used.Type: ApplicationFiled: September 14, 2012Publication date: July 18, 2013Applicant: THE CHEMO-SERO-THERAPEUTIC RESEARCH INSTITUTEInventors: Ryuichi SAKAMOTO, Susumu Baba, Masashi Sakaguchi, Hiroshi Mizokami
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Publication number: 20130004112Abstract: A cage is made of a magnesium alloy such as AZ91D, and is molded by means of injection molding. In this cage, a confluence region is brought away to outside the cage during the injection molding. The confluence region is a region including a void formed by merging of flows of the magnesium alloy. When observing a cross sectional surface of the cage, a ratio of an ? phase having a grain size of 20 ?m or greater is less than 15% in the magnesium alloy constituting the cage.Type: ApplicationFiled: March 9, 2011Publication date: January 3, 2013Inventors: Mitsuo Kawamura, Eiichiro Shimazu, Yasutake Hayakawa, Takahiro Okuno, Junichi Ooshimo, Ryuichi Sakamoto
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Patent number: 8298778Abstract: A method and a kit for detecting an antibody to Avibacterium paragallinarum are provided. A method for detecting an antibody to Avibacterium paragallinarum which comprises detecting an antibody induced by an outer-membrane protein of Avibacterium paragallinarum serotype A and/or serotype C by ELISA with a solid phase to which a peptide consisting of an amino acid sequence of non-homologous region of said outer-membrane protein or a portion thereof is immobilized, and a detection kit used for said method.Type: GrantFiled: February 6, 2009Date of Patent: October 30, 2012Assignee: The Chemo-Sero-Therapeutic Research InstituteInventors: Toshihiro Ushijima, Takashi Imamura, Ryuichi Sakamoto, Masashi Sakaguchi
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Publication number: 20120003257Abstract: A recombinant avian infectious coryza vaccine and a process for preparing the same are provided. A process for preparing a recombinant avian infectious coryza vaccine which comprises step of constructing E. coli that may produce as an inclusion body a fusion peptide consisting of peptides derived from outer-membrane protein of Avibacterium paragarinarum serotype A and serotype C, step of culturing said E. coli and colleting and purifying inclusion body from culture, and step of preparing a preparation comprising said purified inclusion body, and an avian infectious coryza vaccine comprising as an active ingredient the fusion peptide. A linker sequence may be inserted between the respective peptides comprising the fusion peptide. For the peptide derived from the serotypes A and C, an amino acid sequence region of Region 2 or its vicinity responsible for protection from infection may be used.Type: ApplicationFiled: December 24, 2009Publication date: January 5, 2012Applicant: The Chemo-Sero-Therapeutic Research InstituteInventors: Ryuichi Sakamoto, Susumu Baba, Masashi Sakaguchi, Hiroshi Mizokami
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Publication number: 20110201034Abstract: A method and a kit for detecting an antibody to Avibacterium paragallinarum are provided. A method for detecting an antibody to Avibacterium paragallinarum which comprises detecting an antibody induced by an outer-membrane protein of Avibacterium paragallinarum serotype A and/or serotype C by ELISA with a solid phase to which a peptide consisting of an amino acid sequence of non-homologous region of said outer-membrane protein or a portion thereof is immobilized, and a detection kit used for said method.Type: ApplicationFiled: February 6, 2009Publication date: August 18, 2011Applicant: THE CHEMO-SERO-THERAPEUTIC RES INSTInventors: Toshihiro Ushijima, Takashi Imamura, Ryuichi Sakamoto, Masashi Sakaguchi
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Publication number: 20110174125Abstract: Provided is a method of shearing a thin plate with high quality without a need for narrowing a clearance by precision machining. The method comprises: placing a thin plate (1) having at least one non-metal layer (1b), between a punch (3) and a die (2) having a shearing hole (2a); and relatively moving the punch (3) toward and with respect to the shearing hole (2a) to thereby shear the thin plate (1), wherein the relative movement of the punch (3) is stopped to complete the shearing, before the punch (3) penetrates through the thin plate (1) and becomes fitted into the shearing hole (2a).Type: ApplicationFiled: July 31, 2009Publication date: July 21, 2011Applicant: NIPPON TUNGSTEN CO., LTD.Inventors: Makoto Funabiki, Ryuichi Sakamoto, Syoji Eguchi, Nobuyuki Izuhara, Koichi Ibusuki, Takaaki Oshino, Sigeru Matsuo
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Patent number: 7580244Abstract: An electrochemical device manufacturing jig comprises a first fixing jig having a plurality of fixing pins, for positioning and fixing separators by inserting the plurality of fixing pins in through-holes provided to the separators, a second fixing jig having a plurality of positioning pins, for positioning and fixing collectors by inserting the plurality of positioning pins in through-holes provided to the collectors, and a fixing pin hold-down jig for supporting fixing pins. The first and second fixing jigs can be mated in a direction parallel to the axial direction of the fixing pins and the positioning pins, and this allows the relative positional relationship of the fixing pins and the positioning pins to be fixed.Type: GrantFiled: December 26, 2006Date of Patent: August 25, 2009Assignee: TDK CorporationInventors: Ryuichi Sakamoto, Minoru Takeishi
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Patent number: 7489497Abstract: An electrochemical device of this invention has a stacked member, in which a plurality of collectors having polarizable electrode layers formed on the surfaces thereof and a plurality of separators which separate the adjacent polarizable electrode layers are arranged in alternation, and a pair of fixed collecting plates arranged on both sides in the stacking direction of the stacked member. The pair of fixed collecting plates has a depressed portion which exerts pressure on the stacked member and a protruding portion which forms a gap with the stacked member. The protruding portions terminate at the peripheral portions of the fixed collecting plates so that gaps are formed between the stacked member and the fixed collecting plates. These gaps serve as permeation apertures for electrolytic solution.Type: GrantFiled: December 13, 2006Date of Patent: February 10, 2009Assignee: TDK CorporationInventors: Ryuichi Sakamoto, Minoru Takeishi, Masahiro Koshimizu
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Publication number: 20080251114Abstract: An object of the invention is to provide a method for packing solar battery elements where cracking or chipping does not occur during the packing work and transportation, and the solar battery elements can be easily packed. In addition, in order to achieve the above described object, the method includes: a first packing step of covering a plurality of layered solar battery elements (3) with a heat-shrinkable film (4); a first heating step of heating this heat-shrinkable film (4) so that the solar battery elements 3 are held as an assembly (5); and a second packing step of inserting the assembly (5) into an opening (2) of a container (1) having the opening (2) for holding this assembly (5).Type: ApplicationFiled: March 28, 2006Publication date: October 16, 2008Applicant: Kyocera CorporationInventors: Kumeharu Tanaka, Kousei Shimizu, Ryuichi Sakamoto
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Publication number: 20070159769Abstract: An electrochemical device manufacturing jig comprises a first fixing jig having a plurality of fixing pins, for positioning and fixing separators by inserting the plurality of fixing pins in through-holes provided to the separators, a second fixing jig having a plurality of positioning pins, for positioning and fixing collectors by inserting the plurality of positioning pins in through-holes provided to the collectors, and a fixing pin hold-down jig for supporting fixing pins. The first and second fixing jigs can be mated in a direction parallel to the axial direction of the fixing pins and the positioning pins, and this allows the relative positional relationship of the fixing pins and the positioning pins to be fixed.Type: ApplicationFiled: December 26, 2006Publication date: July 12, 2007Applicant: TDK CORPORATIONInventors: Ryuichi Sakamoto, Minoru Takeishi