Patents by Inventor Masaki Okano
Masaki Okano 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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Patent number: 11993650Abstract: An antibody or a fragment thereof having immunoreactivity to a polypeptide comprising not less than 7 continuous amino acids in the CD179b protein, which was identified as a cancer antigen protein specifically expressed on the surfaces of cancer cells, can be used as a pharmaceutical composition for therapy and/or prophylaxis of cancer.Type: GrantFiled: February 25, 2020Date of Patent: May 28, 2024Assignee: Toray Industries, Inc.Inventors: Fumiyoshi Okano, Takanori Saito, Takayoshi Ido, Masaki Shimizu
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Publication number: 20230303813Abstract: A propylene resin composition containing a propylene homopolymer that satisfies conditions (1) to (3) described below, and having a semicrystallization time (t1/2) of 60 seconds or more: (1) having a melting point (Tm-D) of 120° C. or lower; (2) having a molecular weight distribution (Mw/Mn) less than 3.0; (3) having a melt viscosity at 190° C. of 30,000 mPa·s or less.Type: ApplicationFiled: August 25, 2021Publication date: September 28, 2023Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Nozomu FUJII, Masaki OKANO, Asami KOGA
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Publication number: 20210404099Abstract: The present invention relates to a nonwoven fabric including a conjugated fiber containing 40% by mass or more and 80% by mass or less of a propylene homopolymer (A) having a melting point (Tm-D) measured by a differential scanning calorimeter (DSC) of higher than 120° C., 4% by mass or more and 40% by mass or less of a polypropylene-based resin (B) having a melting point (Tm-D) measured by a differential scanning calorimeter (DSC) of 120° C. or lower, and 10% by mass or more and 55% by mass or less of a polyethylene-based resin (C), wherein the nonwoven fabric has a texture uniformity of 2.1 or more and 3.0 or less and a bulkiness of 450 ?m or more.Type: ApplicationFiled: November 6, 2019Publication date: December 30, 2021Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Mari YABE, Takumi SUGIUCHI, Masaki OKANO, Yutaka MINAMI
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Patent number: 11193022Abstract: The method for producing a resin composition of the present invention includes a step of obtaining a lignin-containing solution that contains a solubilized lignin prepared through a treatment of separating lignin in a lignin-containing solution and a solvent, and a step of adding a resin to the lignin-containing solution to thereby obtain a lignin/resin-containing solution. Also, the method for producing a resin composition of the present invention includes a step of mixing the lignin/resin-containing solution with at least one solvent selected from water and a hydrocarbon having a dipole moment of 0.25 d or less. The lignin-containing resin molded article of the present invention uses the resin composition obtained according to the production method of the present invention.Type: GrantFiled: September 4, 2017Date of Patent: December 7, 2021Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Yoshihito Koyama, Shinobu Yamao, Masaki Okano
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Publication number: 20190211207Abstract: The method for producing a resin composition of the present invention includes a step of obtaining a lignin-containing solution that contains a solubilized lignin prepared through a treatment of separating lignin in a lignin-containing solution and a solvent, and a step of adding a resin to the lignin-containing solution to thereby obtain a lignin/resin-containing solution. Also, the method for producing a resin composition of the present invention includes a step of mixing the lignin/resin-containing solution with at least one solvent selected from water and a hydrocarbon having a dipole moment of 0.25 d or less. The lignin-containing resin molded article of the present invention uses the resin composition obtained according to the production method of the present invention.Type: ApplicationFiled: September 4, 2017Publication date: July 11, 2019Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Yoshihito KOYAMA, Shinobu YAMAO, Masaki OKANO
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Publication number: 20180215878Abstract: Provided is a method of producing a purified lignin, including: treating a plant biomass in a first solvent mixture formed of water and a first organic solvent under specific conditions; subjecting a solid fraction insoluble in a first solution mixture and the first solution mixture to solid-liquid separation after the treatment; mixing the first solution mixture from which the insoluble solid fraction has been separated, and a second organic solvent excluding the first organic solvent and having a dipole moment of 0.25 d or less to provide a second solution mixture; and subjecting a solid fraction insoluble in the second solution mixture to solid-liquid separation to extract the purified lignin in a liquid phase of the second solution mixture.Type: ApplicationFiled: September 23, 2016Publication date: August 2, 2018Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Masaki OKANO, Yoshihito KOYAMA, Shinobu YAMAO
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Publication number: 20160339503Abstract: An object of the present invention is to provide a roller bearing cage suited in particular to a supersized roller bearing, wherein the cage (1A) is configured such that a pair of ring parts (4 and 6) axially separated is connected by a plurality of column parts (5) sliding on an outer peripheral surfaces of rollers (RA), and a plurality of pocket holes (P) is evenly formed in a circumferential direction to store and hold the rollers (RA) at a peripheral wall portion, wherein a base body (2) including one ring part (4) and the column parts (5) with engagement convexes (5A) at leading ends thereof and a connection body (3) including the other ring part (6) with engagement concaves (6A) for engagement with the engagement convexes (5A) of the column parts (5) are set as separate members.Type: ApplicationFiled: July 18, 2016Publication date: November 24, 2016Applicant: NAKANISHI METAL WORKS CO., LTD.Inventors: Michiyuki KAMIJI, Hiroyuki MAEDA, Masaki OKANO, Kenji TESHIMA
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Roller bearing cage and manufacturing method therefor as well as roller bearing manufacturing method
Patent number: 9422981Abstract: A roller bearing cage (1A) is configured such that a pair of ring parts (4, 6) axially separated from each other is connected by column parts (5) sliding on outer peripheral surfaces of rollers (RA), and pocket holes (P) are evenly formed to store and hold the rollers (RA) in a peripheral wall portion in a circumferential direction. The cage (1A) is manufactured such that a base body (2) including the ring part (4) and the column parts (5) with square columnar convexes (5A) and a connection body (3) including the ring part (6) with square holes (6A) are set as separate members.Type: GrantFiled: March 7, 2013Date of Patent: August 23, 2016Assignee: NAKANISHI METAL WORKS CO., LTD.Inventors: Michiyuki Kamiji, Masaki Okano, Hiroyuki Maeda, Yoshio Kawatake, Kenji Teshima, Yasuki Yabubayashi, Tomomi Hosokawa -
ROLLER BEARING CAGE AND MANUFACTURING METHOD THEREFOR AS WELL AS ROLLER BEARING MANUFACTURING METHOD
Publication number: 20150023625Abstract: Present invention relates to provide a cage suited in particular to a supersized roller bearing, which is easy to improve rigidity, realizes a reduction in manufacturing costs, facilitates dimension management and accuracy management, and is less prone to progress abrasion of end surfaces of rollers. A roller bearing cage (1A) is configured such that a pair of ring parts (4, 6) axially separated from each other is connected by column parts (5) sliding on outer peripheral surfaces of rollers (RA), and pocket holes (P) are evenly formed to store and hold the rollers (RA) in a peripheral wall portion in a circumferential direction. The cage (1A) is manufactured such that a base body (2) including the ring part (4) and the column parts (5) with square columnar convexes (5A) and a connection body (3) including the ring part (6) with square holes (6A) are set as separate members.Type: ApplicationFiled: March 7, 2013Publication date: January 22, 2015Applicant: Nakanishi Metal Works CO., LTDInventors: Michiyuki Kamiji, Masaki Okano, Hiroyuki Maeda, Yoshio Kawatake, Kenji Teshima, Yasuki Yabubayashi, Tomomi Hosokawa -
Publication number: 20140363116Abstract: An object of the present invention is to provide a roller bearing cage suited in particular to a supersized roller bearing, wherein the cage (1A) is configured such that a pair of ring parts (4 and 6) axially separated is connected by a plurality of column parts (5) sliding on an outer peripheral surfaces of rollers (RA), and a plurality of pocket holes (P) is evenly formed in a circumferential direction to store and hold the rollers (RA) at a peripheral wall portion, wherein a base body (2) including one ring part (4) and the column parts (5) with engagement convexes (5A) at leading ends thereof and a connection body (3) including the other ring part (6) with engagement concaves (6A) for engagement with the engagement convexes (5A) of the column parts (5) are set as separate members.Type: ApplicationFiled: December 18, 2012Publication date: December 11, 2014Inventors: Michiyuki Kamiji, Hiroyuki Maeda, Masaki Okano, Kenji Teshima
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Publication number: 20140309151Abstract: Provided are an ?-olefin copolymer useful as a high-viscosity lubricant oil excellent in viscosity characteristics, low-temperature characteristics and oxidation stability, and a lubricant oil containing the copolymer. The ?-olefin copolymer is a 1-octene/1-decene copolymer produced by the use of a doubly bridged metallocene catalyst.Type: ApplicationFiled: July 18, 2012Publication date: October 16, 2014Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Hitomi Shimizu, Kiyokazu Katayama, Hideaki Noda, Masaki Okano
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Publication number: 20140256997Abstract: Provided are an ?-olefin copolymer useful as a high-viscosity lubricant oil excellent in viscosity characteristics, low-temperature characteristics and oxidation stability, and a lubricant oil containing the copolymer. The ?-olefin copolymer is a 1-octene/1-decene/1-dodecene ternary copolymer produced by the use of a doubly crosslinked metallocene catalyst.Type: ApplicationFiled: May 10, 2012Publication date: September 11, 2014Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Hitomi Shimizu, Kiyokazu Katayama, Hideaki Noda, Masaki Okano
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Publication number: 20140235909Abstract: Provided are an ?-olefin copolymer useful as a high-viscosity lubricant oil excellent in viscosity characteristics, low-temperature characteristics and oxidation stability, and a lubricant oil containing the copolymer. The ?-olefin copolymer is a 1-decene/1-dodecene copolymer produced by the use of a doubly bridged metallocene catalyst.Type: ApplicationFiled: July 18, 2012Publication date: August 21, 2014Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Hitomi Shimizu, Kiyokazu Katayama, Hideaki Noda, Masaki Okano
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Publication number: 20130303818Abstract: A method for producing an unsaturated dimer by reacting an ?-olefin having 6 to 14 carbon atoms in an agitated vessel, wherein a metallocene-based catalyst is used as a reaction catalyst; and the supply flow rate of hydrogen (VH) to the vessel is 0.2 to 1.2 [(NL/hr) per L of olefin] and the agitation power (Pv) is 0.18 KW/m3 or more of the time of reaction.Type: ApplicationFiled: January 11, 2012Publication date: November 14, 2013Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Junichi Inagaki, Masashi Machida, Masaki Okano, Minako Tsuji
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Publication number: 20120302481Abstract: Provided are an ?-olefin (co)polymer useful as high-viscosity lubricant oil excellent in viscosity characteristics and low-temperature characteristics, and a lubricant oil containing the (co)polymer. The ?-olefin (co)polymer is produced by the use of a metallocene catalyst and satisfies the following (a?) and (b?). (a?) The 2,1-insertion ratio at the polymer terminal, as measured through 1H-NMR, is at least 30 mol % of the entire molecule, and (b?) the mesotriad fraction (mm), as measured through 13C-NMR, is at most 50 mol %. Preferably, a 1-octene/1-dodecene copolymer is provided, as produced by the use of a metallocene catalyst and satisfying the following (a) to (c). (a) The molar ratio of the 1-octene unit to the 1-dodecene unit is from 20/80 to 80/20, (b) the mesotriad fraction (mm), as measured through 13C-NMR, is at most 50 mol %, and (c) the kinematic viscosity at 100° C. is from 30 to 1000 mm2/sec.Type: ApplicationFiled: January 26, 2011Publication date: November 29, 2012Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Kiyokazu Katayama, Hideaki Noda, Hitomi Shimizu, Masaki Okano
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Publication number: 20110207977Abstract: A method of producing an ?-olefin oligomer composition of the present invention is a method of producing an ?-olefin oligomer composition, the method including the step of causing the molecules of an ?-olefin to react with each other with a specific catalyst in the presence of hydrogen.Type: ApplicationFiled: October 27, 2009Publication date: August 25, 2011Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Shinjiro Fujikawa, Kiyohiko Yokota, Masaki Okano, Minako Tsuji
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Publication number: 20080131901Abstract: De novo DNA cytosine methyltransferase polynucleotides and polypeptides and methods for producing said polypeptides are disclosed. Also disclosed are methods for utilizing de novo DNA cytosine methyltransferase polynucleotides and polypeptides in diagnostic assays, for an in vitro DNA methylation application and therapeutic applications such as the treatment of neoplastic disorders.Type: ApplicationFiled: October 31, 2007Publication date: June 5, 2008Inventors: En Li, Masaki Okano, Shaoping Xie
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Patent number: 7368551Abstract: De novo DNA cytosine methyltransferase polynucleotides and polypeptides and methods for producing said polypeptides are disclosed. Also disclosed are methods for utilizing de novo DNA cytosine methyltransferase polynucleotides and polypeptides in diagnostic assays, in vitro DNA methylation assays for screening agonists and antagonists, and therapeutic applications such as the treatment of neoplastic disorders.Type: GrantFiled: July 22, 2003Date of Patent: May 6, 2008Assignee: The General Hospital CorporationInventors: En Li, Masaki Okano, Shaoping Xie, Taiping Chen
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Patent number: 7342108Abstract: De novo DNA cytosine methyltransferase polynucleotides and polypeptides and methods for producing said polypeptides are disclosed. Also disclosed are methods for utilizing de novo DNA cytosine methyltransferase polynucleotides and polypeptides in diagnostic assays, for an in vitro DNA methylation application and therapeutic applications such as the treatment of neoplastic disorders.Type: GrantFiled: June 25, 1999Date of Patent: March 11, 2008Assignee: The General Hospital CorporationInventors: En Li, Masaki Okano, Shaoping Xie
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Publication number: 20060084053Abstract: De novo DNA cytosine methyltransferase polynucleotides and polypeptides and methods for producing said polypeptides are disclosed. Also disclosed are methods for utilizing de novo DNA cytosine methyltransferase polynucleotides and polypeptides in diagnostic assays, for an in vitro DNA methylation application and therapeutic applications such as the treatment of neoplastic disorders.Type: ApplicationFiled: June 25, 1999Publication date: April 20, 2006Inventors: En Li, Masaki Okano, Shaoping Xie