Patents by Inventor Shigeru Sakurai

Shigeru Sakurai 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: 20230212241
    Abstract: (Objective) An objective of the present invention is to provide therapeutic agents that, in association with stimulation of PDGFR?-positive cells such as bone marrow mesenchymal stem cells, promote their mobilization into blood and accumulation in a damaged tissue, and induce tissue regeneration in a living body. (Means for solution) Multiple peptides were synthesized, and the migration-promoting activity of each peptide was evaluated. As a result, the present inventors successfully identified multiple peptides that have migration-promoting activity on a PDGFR?-positive bone marrow mesenchymal stem cell line (MSC-1). Further, the present inventors confirmed that the identified peptides also have migration-promoting activity on skin fibroblasts, which are PDGFR?-positive cells.
    Type: Application
    Filed: December 21, 2022
    Publication date: July 6, 2023
    Inventors: KATSUTO TAMAI, TAKEHIKO YAMAZAKI, TSUTOMU KANEZAKI, SHIGERU SAKURAI, YUKIKO NOGUCHI, MAYUMI ENDO, NATSUMI HAMABUCHI, KANA NAITO
  • Publication number: 20200369736
    Abstract: (Objective) An objective of the present invention is to provide therapeutic agents that, in association with stimulation of PDGFR?-positive cells such as bone marrow mesenchymal stem cells, promote their mobilization into blood and accumulation in a damaged tissue, and induce tissue regeneration in a living body. (Means for solution) Multiple peptides were synthesized, and the migration-promoting activity of each peptide was evaluated. As a result, the present inventors successfully identified multiple peptides that have migration-promoting activity on a PDGFR?-positive bone marrow mesenchymal stem cell line (MSC-1). Further, the present inventors confirmed that the identified peptides also have migration-promoting activity on skin fibroblasts, which are PDGFR?-positive cells.
    Type: Application
    Filed: December 13, 2019
    Publication date: November 26, 2020
    Inventors: KATSUTO TAMAI, TAKEHIKO YAMAZAKI, TSUTOMU KANEZAKI, SHIGERU SAKURAI, YUKIKO NOGUCHI, MAYUMI ENDO, NATSUMI HAMABUCHI, KANA NAITO
  • Patent number: 10550165
    Abstract: (Objective) An objective of the present invention is to provide therapeutic agents that, in association with stimulation of PDGFR?-positive cells such as bone marrow mesenchymal stem cells, promote their mobilization into blood and accumulation in a damaged tissue, and induce tissue regeneration in a living body. (Means for solution) Multiple peptides were synthesized, and the migration-promoting activity of each peptide was evaluated. As a result, the present inventors successfully identified multiple peptides that have migration-promoting activity on a PDGFR?-positive bone marrow mesenchymal stem cell line (MSC-1). Further, the present inventors confirmed that the identified peptides also have migration-promoting activity on skin fibroblasts, which are PDGFR?-positive cells.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: February 4, 2020
    Assignees: STEMRIM INC., OSAKA UNIVERSITY
    Inventors: Katsuto Tamai, Takehiko Yamazaki, Tsutomu Kanezaki, Shigeru Sakurai, Yukiko Noguchi, Mayumi Endo, Natsumi Hamabuchi, Kana Naito
  • Patent number: 10364276
    Abstract: (Objective) An objective of the present invention is to provide therapeutic agents that, in association with stimulation of PDGFR?-positive cells such as bone marrow mesenchymal stem cells, promote their mobilization into blood and accumulation in a damaged tissue, and induce tissue regeneration in a living body. (Means for solution) Multiple peptides were synthesized, and the migration-promoting activity of each peptide was evaluated. As a result, the present inventors successfully identified multiple peptides that have migration-promoting activity on a PDGFR?-positive bone marrow mesenchymal stem cell line (MSC-1). Further, the present inventors confirmed that the identified peptides also have migration-promoting activity on skin fibroblasts, which are PDGFR?-positive cells.
    Type: Grant
    Filed: April 3, 2012
    Date of Patent: July 30, 2019
    Assignees: STEMRIM INC., OSAKA UNIVERSITY
    Inventors: Katsuto Tamai, Takehiko Yamazaki, Tsutomu Kanezaki, Shigeru Sakurai, Yukiko Noguchi, Mayumi Endo, Natsumi Hamabuchi, Kana Naito
  • Patent number: 10160792
    Abstract: (Objective) An objective of the present invention is to provide therapeutic agents that, in association with stimulation of PDGFR?-positive cells such as bone marrow mesenchymal stem cells, promote their mobilization into blood and accumulation in a damaged tissue, and induce tissue regeneration in a living body. (Means for solution) Multiple peptides were synthesized, and the migration-promoting activity of each peptide was evaluated. As a result, the present inventors successfully identified multiple peptides that have migration-promoting activity on a PDGFR?-positive bone marrow mesenchymal stem cell line (MSC-1). Further, the present inventors confirmed that the identified peptides also have migration-promoting activity on skin fibroblasts, which are PDGFR?-positive cells.
    Type: Grant
    Filed: April 3, 2012
    Date of Patent: December 25, 2018
    Assignees: STEMRIM INC., OSAKA UNIVERSITY
    Inventors: Katsuto Tamai, Takehiko Yamazaki, Tsutomu Kanezaki, Shigeru Sakurai, Yukiko Noguchi, Mayumi Endo, Natsumi Hamabuchi, Kana Naito
  • Publication number: 20180072785
    Abstract: (Objective) An objective of the present invention is to provide therapeutic agents that, in association with stimulation of PDGFR?-positive cells such as bone marrow mesenchymal stem cells, promote their mobilization into blood and accumulation in a damaged tissue, and induce tissue regeneration in a living body. (Means for solution) Multiple peptides were synthesized, and the migration-promoting activity of each peptide was evaluated. As a result, the present inventors successfully identified multiple peptides that have migration-promoting activity on a PDGFR?-positive bone marrow mesenchymal stem cell line (MSC-1). Further, the present inventors confirmed that the identified peptides also have migration-promoting activity on skin fibroblasts, which are PDGFR?-positive cells.
    Type: Application
    Filed: August 30, 2017
    Publication date: March 15, 2018
    Inventors: KATSUTO TAMAI, TAKEHIKO YAMAZAKI, TSUTOMU KANEZAKI, SHIGERU SAKURAI, YUKIKO NOGUCHI, MAYUMI ENDO, NATSUMI HAMABUCHI, KANA NAITO
  • Publication number: 20140206619
    Abstract: (Objective) An objective of the present invention is to provide therapeutic agents that, in association with stimulation of PDGFR?-positive cells such as bone marrow mesenchymal stem cells, promote their mobilization into blood and accumulation in a damaged tissue, and induce tissue regeneration in a living body. (Means for solution) Multiple peptides were synthesized, and the migration-promoting activity of each peptide was evaluated. As a result, the present inventors successfully identified multiple peptides that have migration-promoting activity on a PDGFR?-positive bone marrow mesenchymal stem cell line (MSC-1). Further, the present inventors confirmed that the identified peptides also have migration-promoting activity on skin fibroblasts, which are PDGFR?-positive cells.
    Type: Application
    Filed: April 3, 2012
    Publication date: July 24, 2014
    Applicants: OSAKA UNIVERSITY, GENOMIX CO., LTD.
    Inventors: Katsuto Tamai, Takehiko Yamazaki, Tsutomu Kanezaki, Shigeru Sakurai, Yukiko Noguchi, Mayumi Endo, Natsumi Hamabuchi, Kana Naito
  • Patent number: 8420403
    Abstract: A method for evaluating the caking property of sodium hydrogencarbonate crystal particles, characterized in that sodium hydrogencarbonate crystal particles are hermetically sealed in a packaging material having a water vapor transmission rate of at least 3 g/(m2·24 h) (at 40° C. with a relative humidity difference of 90%) as stipulated in JIS K7129 and left at rest at a temperature of from 17 to 35° C. at a carbon dioxide gas concentration of from 0.03 to 0.05 vol % at a relative humidity of from 40 to 95% for from 2 weeks to 3 months, and the proportion of agglomerated sodium hydrogencarbonate crystal particles is determined to evaluate the caking tendency. A novel test method for evaluating the caking property of sodium hydrogencarbonate crystal particles, capable of providing results of the caking property test with high reproducibility, quantitatively with high versatility, can be provided.
    Type: Grant
    Filed: January 3, 2007
    Date of Patent: April 16, 2013
    Assignee: Asahi Glass Company, Limited
    Inventors: Shintaro Kikuchi, Fumiaki Nakashima, Hisakazu Arima, Shigeru Sakurai, Takako Hirano
  • Patent number: 8236268
    Abstract: A process for producing sodium hydrogencarbonate crystal particles having a low caking property, which entails subjecting sodium hydrogencarbonate crystal particles having an average particle size of from 50 to 500 ?m based on the mass to heat treatment at a temperature of from 70 to 95° C. by a heating gas having a carbon dioxide gas concentration of at most the concentration calculated by the formula: Carbon dioxide gas concentration=0.071×e(0.1×T)×R(?0.0005×T?0.9574), where T (° C.) is the temperature of sodium hydrogencarbonate crystals, and R (%) is the relative humidity around the crystals at the temperature of the crystals, provided that the upper limit of the carbon dioxide gas concentration is 100 vol % to form anhydrous sodium carbonate on the surface of the sodium hydrogencarbonate crystal particles with a content of anhydrous sodium carbonate of from 0.03 to 0.4 mass % in the sodium hydrogencarbonate crystals.
    Type: Grant
    Filed: December 27, 2006
    Date of Patent: August 7, 2012
    Assignee: Asahi Glass Company, Limited
    Inventors: Hachirou Hirano, Takako Hirano, legal representative, Shintaro Kikuchi, Fumiaki Nakashima, Hisakazu Arima, Shigeru Sakurai
  • Patent number: 8202370
    Abstract: To provide a method for removing an acidic deposit containing a sulfur compound, whereby the terminal point of the cleaning state can be ascertained simply and efficiently without necessity to visually directly observe the cleaning state or to observe the behavior of the pH value of the cleaning fluid. A method for removing an acidic deposit containing a sulfur compound, which comprises contacting the acidic deposit with a prescribed amount of an aqueous cleaning fluid, characterized in that the concentration of sulfate ion (SO42?) in the aqueous cleaning fluid is measured, and the contact with the aqueous cleaning fluid is terminated after the increase per hour of the measured value becomes 15 not more than 10%.
    Type: Grant
    Filed: October 25, 2007
    Date of Patent: June 19, 2012
    Assignee: Asahi Glass Company, Limited
    Inventors: Shigeru Sakurai, Masaharu Emoto
  • Patent number: 8089226
    Abstract: A torque control device controlling torque of first and second mechanical units connected coaxially to each other through connecting members includes a controller generating first and second references from a command from a host system, first and second motors respectively driving the first and second mechanical units, first and second motor control units respectively controlling the first and second motors on the basis of the first and second references. The first and second references synchronously accelerate the first and second motors to first rotational speed, then increase rotational speed of the second motor according to a speed profile to produce torsional torque in the connecting members, decelerate the second motor to the first rotational speed after the torsional torque reaches a predetermined value, and synchronously decelerate and stop the first and second motors after a predetermined time period elapses.
    Type: Grant
    Filed: October 26, 2009
    Date of Patent: January 3, 2012
    Assignee: Kabushiki Kaisha Yaskawa Denki
    Inventors: Ryuta Matsutani, Kenji Yoshida, Shigeru Sakurai
  • Patent number: 7976808
    Abstract: To provide an agent for removing a halogen series gas and a method for removing a halogen series gas which is excellent in a removing ability of removing the present halogen series gas in a low concentration area, which prevents an adsorbent from generating heat, and which is capable of reducing formation of a solid waste. A method for removing a halogen series gas, which comprises bringing a gas to be treated which contains at least one member selected from the halogen series gas group consisting of F2, Cl2, Br2, I2, and compounds which generate a hydrogen halide or hypohalogeneous acid upon hydrolysis, into contact with a granule comprising, based on the total mass of the granule, from 45 to 99.85 mass % of an alkali metal salt, from 0.1 to 40 mass % of a carbonaceous material, and from more than 0 mass % to 15 mass % of an alkaline earth metal salt, in the presence of water.
    Type: Grant
    Filed: November 19, 2008
    Date of Patent: July 12, 2011
    Assignee: Asahi Glass Company, Limited
    Inventors: Shigeru Sakurai, Hisakazu Arima
  • Publication number: 20100039053
    Abstract: A torque control device controlling torque of first and second mechanical units connected coaxially to each other through connecting members includes a controller generating first and second references from a command from a host system, first and second motors respectively driving the first and second mechanical units, first and second motor control units respectively controlling the first and second motors on the basis of the first and second references. The first and second references synchronously accelerate the first and second motors to first rotational speed, then increase rotational speed of the second motor according to a speed profile to produce torsional torque in the connecting members, decelerate the second motor to the first rotational speed after the torsional torque reaches a predetermined value, and synchronously decelerate and stop the first and second motors after a predetermined time period elapses.
    Type: Application
    Filed: October 26, 2009
    Publication date: February 18, 2010
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Ryuta MATSUTANI, Kenji Yoshida, Shigeru Sakurai
  • Publication number: 20090130012
    Abstract: To provide an agent for removing a halogen series gas and a method for removing a halogen series gas which is excellent in a removing ability of removing the present halogen series gas in a low concentration area, which prevents an adsorbent from generating heat, and which is capable of reducing formation of a solid waste. A method for removing a halogen series gas, which comprises bringing a gas to be treated which contains at least one member selected from the halogen series gas group consisting of F2, Cl2, Br2, I2, and compounds which generate a hydrogen halide or hypohalogeneous acid upon hydrolysis, into contact with a granule comprising, based on the total mass of the granule, from 45 to 99.85 mass % of an alkali metal salt, from 0.1 to 40 mass % of a carbonaceous material, and from more than 0 mass % to 15 mass % of an alkaline earth metal salt, in the presence of water.
    Type: Application
    Filed: November 19, 2008
    Publication date: May 21, 2009
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Shigeru Sakurai, Hisakazu Arima
  • Patent number: 7485369
    Abstract: Sodium hydrogencarbonate crystal particles, which comprise sodium hydrogencarbonate crystal particles having an average particle size of from 50 to 500 ?m based on the mass, and anhydrous sodium carbonate, and sodium carbonate monohydrate and/or Wegscheider's salt, present on the surface of the sodium hydrogencarbonate crystal particles in such amounts that the total content of anhydrous sodium carbonate, sodium carbonate monohydrate, Wegscheider's salt and sodium sesquicarbonate in the sodium hydrogencarbonate crystal particles is from 0.04 to 1 mass % as calculated as anhydrous sodium carbonate, anhydrous sodium carbonate accounts for at least 40 mass % of the total content, and sodium carbonate monohydrate and/or Wegscheider's salt accounts for from 5 to 60 mass % of the total content. Sodium hydrogencarbonate crystal particles having a low caking property, which are useful in the field of food products, pharmaceuticals, bath additives, etc.
    Type: Grant
    Filed: January 3, 2007
    Date of Patent: February 3, 2009
    Assignee: Asahi Glass Company, Limited
    Inventors: Takako Hirano, legal representative, Shintaro Kikuchi, Fumiaki Nakashima, Hisakazu Arima, Shigeru Sakurai, Hachirou Hirano
  • Patent number: 7485697
    Abstract: The object of this invention is to elucidate the factors involved in the regulation of AGE (advanced glycation endproducts, which are produced in a living body accompanied with diabetes and aging) and RAGE (the receptor for AGE), in order to facilitate investigation on the biological activities, physiological phenomenon and diseases related to AGE and RAGE. Plural molecular species are known to exist for RAGE, and among such molecular species, soluble RAGE exhibits the activity to modulate interaction between AGE and transmembrane-type RAGE. Using this soluble RAGE or a nucleic acid encoding it, the soluble RAGE can be measured, in addition, investigation on various physiological phenomenon, biological activities, and diseases related to interaction between AGE and RAGE can be performed to facilitate development a medicine having further efficacy.
    Type: Grant
    Filed: March 19, 2002
    Date of Patent: February 3, 2009
    Assignee: Japan as Represented by President of Kanazawa University
    Inventors: Hiroshi Yamamoto, Hideto Yonekura, Yasuhiko Yamamoto, Shigeru Sakurai, Takuo Watanabe
  • Publication number: 20090016949
    Abstract: Sodium hydrogencarbonate crystal particles excellent in anti-caking property and anti-thermal decomposition property, and its production process, are provided. Sodium hydrogencarbonate crystal particles whose color 1 second after dropping of a phenolphthalein solution having a predetermined composition, is R=245 to 255, G=243 to 255 and B=245 to 255 in RGB 256 tone notation. The sodium hydrogencarbonate crystal particles are produced by subjecting sodium hydrogencarbonate crystal particles to a bicarbonation treatment in a humidified carbon dioxide gas atmosphere.
    Type: Application
    Filed: September 12, 2008
    Publication date: January 15, 2009
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Hachirou Hirano, Takako Hirano, Hisakazu Arima, Shintaro Kikuchi, Fumiaki Nakashima, Shigeru Sakurai
  • Publication number: 20080053483
    Abstract: To provide a method for removing an acidic deposit containing a sulfur compound, whereby the terminal point of the cleaning state can be ascertained simply and efficiently without necessity to visually directly observe the cleaning state or to observe the behavior of the pH value of the cleaning fluid. A method for removing an acidic deposit containing a sulfur compound, which comprises contacting the acidic deposit with a prescribed amount of an aqueous cleaning fluid, characterized in that the concentration of sulfate ion (SO42?) in the aqueous cleaning fluid is measured, and the contact with the aqueous cleaning fluid is terminated after the increase per hour of the measured value becomes not more than 10%.
    Type: Application
    Filed: October 25, 2007
    Publication date: March 6, 2008
    Applicant: ASAHI GLASS COMPANY LIMITED
    Inventors: Shigeru Sakurai, Masaharu Emoto
  • Publication number: 20070253879
    Abstract: To provide a method for removing a halogen series gas, which has high capability of treating a halogen series gas, can prevent ignition of an adsorbing agent, is free from formation of carbon dioxide and can reduce generation of wastes, and a removing agent to be used for the method. The method for removing a halogen series gas comprises bringing a gas comprising at least one halogen series gas selected from the group consisting of F2, Cl2, Br2, I2 and a compound which undergoes hydrolysis to form a hydrogen halide or hypohalogenous acid into contact with a granulated product comprising from 80 to 99.9 mass % of an alkali metal base and from 0.1 to 20 mass % of a thiosulfate based on the total mass of the granulated product, in the presence of water, to remove the halogen series gas.
    Type: Application
    Filed: June 13, 2007
    Publication date: November 1, 2007
    Applicant: Asahi Glass Company, Limited
    Inventors: Shigeru SAKURAI, Hachirou Hirano, Takako Hirano, Hisakazu Arima
  • Publication number: 20070178037
    Abstract: A process for producing sodium hydrogencarbonate crystals, which comprise subjecting sodium hydrogencarbonate crystal powder having an average particle size of from 50 to 500 ?m based on the mass to heat treatment at a temperature of from 70 to 95° C. by a heating gas having a carbon dioxide gas concentration of at most the concentration calculated by the following formula (1): Carbon dioxide gas concentration=0.07l×e(0.1×T)×R(?0.0005×T?0.9574)??(1) (wherein T is the temperature (%) of sodium hydrogencarbonate crystals, and R is the relative humidity (%), provided that the upper limit of the carbon dioxide gas concentration is 100 vol %) with reference to the graph of FIG. 1 wherein the horizontal axis (X-axis) represents the relative humidity and the vertical axis (Y-axis) represents the carbon dioxide gas concentration, to form anhydrous sodium carbonate on the surface of the sodium hydrogencarbonate crystal particles with a content of anhydrous sodium carbonate of from 0.03 to 0.
    Type: Application
    Filed: December 27, 2006
    Publication date: August 2, 2007
    Applicant: ASAHI GLASS CO., LTD.
    Inventors: Hachirou Hirano, Takako Hirano, Shintaro Kikuchi, Fumiaki Nakashima, Hisakazu Arima, Shigeru Sakurai