Patents by Inventor Makoto Seino

Makoto Seino 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: 20210291142
    Abstract: To adsorb a substance to be treated in a fluid (7) with a higher adsorption capacity and lower pressure loss, an adsorptive sintered compact (20) includes powder adsorbent materials (1a, 1b), and resin structures (2) in which voids (3) are formed in a three-dimensional network. The powder adsorbent materials (1a, 1b) include free adsorbent materials (1a) free-movably contained in the voids (3) between the resin structures (2), and fixed adsorbent materials (1b) fixed to a surface (2a) of the resin structure (2) and/or at least partly embedded inside the resin structure (2), and the powder adsorbent materials (1a, 1b) are at least one of powdered activated carbon, powdered activated clay, and zeolite.
    Type: Application
    Filed: June 3, 2021
    Publication date: September 23, 2021
    Applicants: AJINOMOTO CO., INC., NIPPON FILCON CO., LTD.
    Inventors: Makoto Seino, Hideyuki Yano, Toshifumi Katoh
  • Patent number: 9778569
    Abstract: A positive photosensitive resin composition according to the present invention contains at least (A) a polysiloxane compound having at least a structural unit of the general formula (1), (B) a photoacid generator or quinone diazide compound and (C) a solvent [(RX)bR1mSiOn/2]??(1) where RX represents the following group; R1 each represents a hydrogen atom, C1-C3 alkyl group, phenyl group, hydroxy group, C1-C3 alkoxy group or C1-C3 fluoroalkyl group; b represents an integer of 1 to 3; m represents an integer of 0 to 2; n represents an integer of 1 to 3; and b, m and n satisfy b+m+n=4, where X each represents a hydrogen atom or acid labile group; and a represents an integer of 1 to 5. It is possible by the use of this positive photosensitive resin composition to provide a film with high resistance and heat-resistant transparency and provide an electronic component with such a film.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: October 3, 2017
    Assignee: Central Glass Company, Limited
    Inventors: Makoto Seino, Kazuhiro Yamanaka, Masafumi Oda, Junya Nakatsuji
  • Publication number: 20170218128
    Abstract: A curable silicone resin composition according to the present invention includes at least the following components: (A) a silicone resin having a hydrogen atom bonded to silicon atom (as SiH group); (B) a silicone resin having a vinyl group bonded to silicon atom (as Si—CH?CH2 group); and (C) a platinum catalyst, wherein the total amount of silanol (Si—OH) group in the components (A) and (B) is 0.5 to 5.0 mmol/g; and wherein the amount of platinum in the component (C) relative to the total mass of the components (A), (B) and (C) is 0.003 to 3.0 ppm in mass units. A cured product obtained by heating the composition is suitably usable as an encapsulant of an optical semiconductor device.
    Type: Application
    Filed: July 10, 2015
    Publication date: August 3, 2017
    Inventors: Wataru KAWAI, Katsuhiro AKIYAMA, Yu MATSUNO, Junya NAKATSUJI, Makoto SEINO
  • Patent number: 9464172
    Abstract: An object of the present invention is to provide a polysiloxane compound that can be developed in an aqueous alkali solution and can yield a cured product or thin film having superior heat-resistant transparency and insulating properties, a curable composition thereof, and a thin film transistor provided with a passivation layer or gate insulator using the same, and the present invention relates to a polysiloxane compound having at least one photopolymerizable functional group in a molecule thereof, and having at least one member selected from the group consisting of an isocyanuric acid backbone structure, a phenolic hydroxyl group and a carboxyl group within the same molecule, to a curable composition containing the polysiloxane compound, and to a cured product thereof.
    Type: Grant
    Filed: December 5, 2008
    Date of Patent: October 11, 2016
    Assignee: Kaneka Corporation
    Inventors: Masahito Ide, Takao Manabe, Makoto Seino
  • Publication number: 20160266491
    Abstract: A positive photosensitive resin composition according to the present invention contains at least (A) a polysiloxane compound having at least a structural unit of the general formula (1), (B) a photoacid generator or quinone diazide compound and (C) a solvent [(RX)bR1mSiOn/2]??(1) where RX represents the following group; R1 each represents a hydrogen atom, C1-C3 alkyl group, phenyl group, hydroxy group, C1-C3 alkoxy group or C1-C3 fluoroalkyl group; b represents an integer of 1 to 3; m represents an integer of 0 to 2; n represents an integer of 1 to 3; and b, m and n satisfy b+m+n=4, where X each represents a hydrogen atom or acid labile group; and a represents an integer of 1 to 5. It is possible by the use of this positive photosensitive resin composition to provide a film with high resistance and heat-resistant transparency and provide an electronic component with such a film.
    Type: Application
    Filed: October 24, 2014
    Publication date: September 15, 2016
    Inventors: Makoto SEINO, Kazuhiro YAMANAKA, Masafumi ODA, Junya NAKATSUJI
  • Patent number: 9422405
    Abstract: The present invention has its object to provide a liquid-form modified product of polyhedral polysiloxane which is excellent in moldability and transparency, and a composition produced using the modified product. In addition, the present invention can provide an easy-to-handle modified product and composition. The present invention provides a modified product of polyhedral polysiloxane which is obtainable by modifying a polyhedral polysiloxane compound (a) with a compound (b), and a composition containing the modified product. The polyhedral polysiloxane compound (a) has an alkenyl group and/or a hydrosilyl group, and the compound (b) has a hydrosilyl group and/or an alkenyl group each capable of hydrosilylation with the component (a).
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: August 23, 2016
    Assignee: KANEKA CORPORATION
    Inventors: Takao Manabe, Makoto Seino, Shinya Mizuta
  • Patent number: 9416231
    Abstract: The present invention has its object to provide a liquid-form modified product of polyhedral polysiloxane which is excellent in moldability and transparency, and a composition produced using the modified product. In addition, the present invention can provide an easy-to-handle modified product and composition. The present invention provides a modified product of polyhedral polysiloxane which is obtainable by modifying a polyhedral polysiloxane compound (a) with a compound (b), and a composition containing the modified product. The polyhedral polysiloxane compound (a) has an alkenyl group and/or a hydrosilyl group, and the compound (b) has a hydrosilyl group and/or an alkenyl group each capable of hydrosilylation with the component (a).
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: August 16, 2016
    Assignee: KANEKA CORPORATION
    Inventors: Takao Manabe, Makoto Seino, Shinya Mizuta
  • Publication number: 20150218319
    Abstract: The present invention has its object to provide a liquid-form modified product of polyhedral polysiloxane which is excellent in moldability and transparency, and a composition produced using the modified product. In addition, the present invention can provide an easy-to-handle modified product and composition. The present invention provides a modified product of polyhedral polysiloxane which is obtainable by modifying a polyhedral polysiloxane compound (a) with a compound (b), and a composition containing the modified product. The polyhedral polysiloxane compound (a) has an alkenyl group and/or a hydrosilyl group, and the compound (b) has a hydrosilyl group and/or an alkenyl group each capable of hydrosilylation with the component (a).
    Type: Application
    Filed: April 17, 2015
    Publication date: August 6, 2015
    Inventors: Takao MANABE, Makoto SEINO, Shinya MIZUTA
  • Publication number: 20150218318
    Abstract: The present invention has its object to provide a liquid-form modified product of polyhedral polysiloxane which is excellent in moldability and transparency, and a composition produced using the modified product. In addition, the present invention can provide an easy-to-handle modified product and composition. The present invention provides a modified product of polyhedral polysiloxane which is obtainable by modifying a polyhedral polysiloxane compound (a) with a compound (b), and a composition containing the modified product. The polyhedral polysiloxane compound (a) has an alkenyl group and/or a hydrosilyl group, and the compound (b) has a hydrosilyl group and/or an alkenyl group each capable of hydrosilylation with the component (a).
    Type: Application
    Filed: April 17, 2015
    Publication date: August 6, 2015
    Inventors: Takao MANABE, Makoto SEINO, Shinya MIZUTA
  • Patent number: 9035009
    Abstract: The present invention has its object to provide a liquid-form modified product of polyhedral polysiloxane which is excellent in moldability and transparency, and a composition produced using the modified product. In addition, the present invention can provide an easy-to-handle modified product and composition. The present invention provides a modified product of polyhedral polysiloxane which is obtainable by modifying a polyhedral polysiloxane compound (a) with a compound (b), and a composition containing the modified product. The polyhedral polysiloxane compound (a) has an alkenyl group and/or a hydrosilyl group, and the compound (b) has a hydrosilyl group and/or an alkenyl group each capable of hydrosilylation with the component (a).
    Type: Grant
    Filed: February 19, 2013
    Date of Patent: May 19, 2015
    Assignee: KANEKA CORPORATION
    Inventors: Takao Manabe, Makoto Seino, Shinya Mizuta
  • Patent number: 8809458
    Abstract: A polysiloxane composition having high transparency, while being excellent in heat resistance and light resistance is provided. The polysiloxane composition is composed of (A) a polysiloxane which is a polysiloxane compound having a polyhedral skeleton having 6 to 24 silicon atoms in its molecule and which has at least one group containing a hydrolyzable silyl group bonded to a Si atom constituting the polyhedral skeleton, and (B) a photoacid generator. The hydrolyzable silyl group is preferably an alkoxysilyl group.
    Type: Grant
    Filed: November 29, 2007
    Date of Patent: August 19, 2014
    Assignee: Kaneka Corporation
    Inventors: Takao Manabe, Satoshi Sugiyama, Makoto Seino, Mitsuhiro Hori
  • Patent number: 8399592
    Abstract: The present invention has its object to provide a liquid-form modified product of polyhedral polysiloxane which is excellent in moldability and transparency, and a composition produced using the modified product. In addition, the present invention can provide an easy-to-handle modified product and composition. The present invention provides a modified product of polyhedral polysiloxane which is obtainable by modifying a polyhedral polysiloxane compound (a) with a compound (b), and a composition containing the modified product. The polyhedral polysiloxane compound (a) has an alkenyl group and/or a hydrosilyl group, and the compound (b) has a hydrosilyl group and/or an alkenyl group each capable of hydrosilylation with the component (a).
    Type: Grant
    Filed: April 16, 2008
    Date of Patent: March 19, 2013
    Assignee: Kaneka Corporation
    Inventors: Takao Manabe, Makoto Seino, Shinya Mizuta
  • Patent number: 8299198
    Abstract: The present invention provides a polysiloxane composition maintaining high transparency over a wide wavelength region and a wide temperature region and being excellent in heat resistance, low-dielectric characteristics, workability, and the like. A polysiloxane composition includes (A) a polysiloxane which is composed of a polysiloxane compound having a polyhedral skeleton having 6 to 24 Si atoms in its molecule and which has at least one alkenyl group bonded directly or indirectly to a Si atom constituting the polyhedral skeleton, (B) a polysiloxane having a hydrosilyl group, and (C) a hydrosilylation catalyst.
    Type: Grant
    Filed: July 19, 2007
    Date of Patent: October 30, 2012
    Assignee: Kaneka Corporation
    Inventors: Takao Manabe, Satoshi Sugiyama, Makoto Seino
  • Patent number: 8184207
    Abstract: An image signal input circuit includes an input terminal configured to receive an image signal, a clamp circuit configured to hold a sink chip voltage contained in the image signal to be a constant value, a level shift circuit that includes a first emitter follower having a first transistor and a first current source, and a second emitter follower having a second transistor and a second current source, a base of the second transistor being connected to an emitter of the first transistor, and that is configured to shift a level of the sink chip voltage which is held constant, and an electric current source configured to attract a base current of the first transistor.
    Type: Grant
    Filed: April 14, 2010
    Date of Patent: May 22, 2012
    Assignee: Mitsumi Electric Co., Ltd.
    Inventors: Shigeki Mabuchi, Atsushi Watanabe, Makoto Seino, Nagayoshi Dobashi
  • Publication number: 20110001190
    Abstract: An object of the present invention is to provide a polysiloxane compound that can be developed in an aqueous alkali solution and can yield a cured product or thin film having superior heat-resistant transparency and insulating properties, a curable composition thereof, and a thin film transistor provided with a passivation layer or gate insulator using the same, and the present invention relates to a polysiloxane compound having at least one photopolymerizable functional group in a molecule thereof, and having at least one member selected from the group consisting of an isocyanuric acid backbone structure, a phenolic hydroxyl group and a carboxyl group within the same molecule, to a curable composition containing the polysiloxane compound, and to a cured product thereof.
    Type: Application
    Filed: December 5, 2008
    Publication date: January 6, 2011
    Applicant: KANEKA CORPORATION
    Inventors: Masahito Ide, Takao Manabe, Makoto Seino
  • Publication number: 20100271104
    Abstract: An image signal input circuit includes an input terminal configured to receive an image signal, a clamp circuit configured to hold a sink chip voltage contained in the image signal to be a constant value, a level shift circuit that includes a first emitter follower having a first transistor and a first current source, and a second emitter follower having a second transistor and a second current source, a base of the second transistor being connected to an emitter of the first transistor, and that is configured to shift a level of the sink chip voltage which is held constant, and an electric current source configured to attract a base current of the first transistor.
    Type: Application
    Filed: April 14, 2010
    Publication date: October 28, 2010
    Inventors: SHIGEKI MABUCHI, Atsushi Watanabe, Makoto Seino, Nagayoshi Dobashi
  • Publication number: 20100099790
    Abstract: The present invention has its object to provide a liquid-form modified product of polyhedral polysiloxane which is excellent in moldability and transparency, and a composition produced using the modified product. In addition, the present invention can provide an easy-to-handle modified product and composition. The present invention provides a modified product of polyhedral polysiloxane which is obtainable by modifying a polyhedral polysiloxane compound (a) with a compound (b), and a composition containing the modified product. The polyhedral polysiloxane compound (a) has an alkenyl group and/or a hydrosilyl group, and the compound (b) has a hydrosilyl group and/or an alkenyl group each capable of hydrosilylation with the component (a).
    Type: Application
    Filed: April 16, 2008
    Publication date: April 22, 2010
    Applicant: KANEKA CORPORATION
    Inventors: Takao Manabe, Makoto Seino, Shinya Mizuta
  • Publication number: 20100063221
    Abstract: A polysiloxane composition having high transparency, while being excellent in heat resistance and light resistance is provided. A polysiloxane composition is composed of (A) a polysiloxane which is a polysiloxane compound having a polyhedral skeleton having 6 to 24 silicon atoms in its molecule and which has at least one group containing a hydrolyzable silyl group bonded to a Si atom constituting the polyhedral skeleton, and (B) a photoacid generator. The hydrolyzable silyl group is preferably an alkoxysilyl group.
    Type: Application
    Filed: November 29, 2007
    Publication date: March 11, 2010
    Inventors: Takao Manabe, Satoshi Sugiyama, Makoto Seino, Mitsuhiro Hori
  • Publication number: 20090225640
    Abstract: The present invention provides a polysiloxane composition maintaining high transparency over a wide wavelength region and a wide temperature region and being excellent in heat resistance, low-dielectric characteristics, workability, and the like. A polysiloxane composition includes (A) a polysiloxane which is composed of a polysiloxane compound having a polyhedral skeleton having 6 to 24 Si atoms in its molecule and which has at least one alkenyl group bonded directly or indirectly to a Si atom constituting the polyhedral skeleton, (B) a polysiloxane having a hydrosilyl group, and (C) a hydrosilylation catalyst.
    Type: Application
    Filed: July 19, 2007
    Publication date: September 10, 2009
    Applicant: KANEKA CORPORATION
    Inventors: Takao Manabe, Satoshi Sugiyama, Makoto Seino