Patents by Inventor Keisuke Hirano

Keisuke Hirano 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: 20190336938
    Abstract: A xenon adsorbent capable of efficiently adsorbing xenon, even at a low concentration, from a mixture gas is Provided. A xenon adsorbent comprising a zeolite having a pore size in the range of 3.5 to 5 ? and a silica alumina molar ratio in the range of 10 to 30.
    Type: Application
    Filed: December 26, 2017
    Publication date: November 7, 2019
    Applicant: TOSOH CORPORATION
    Inventors: Shigeru HIRANO, Keisuke TOKUNAGA, Hiroshi OKANIWA, Megu FUKUI
  • Publication number: 20190233681
    Abstract: A pressure sensitive adhesive includes an acryl-based base polymer. The acryl-based base polymer contains an acryl-based segment and a urethane-based segment. In the acryl-based base polymer, the content of the urethane-based segment is 3 to 20 parts by weight based on 100 parts by weight of the acryl-based segment. A pressure sensitive adhesive sheet can be obtained by applying a pressure sensitive adhesive composition on a substrate in a layer form. The pressure sensitive adhesive composition may be curable and may include a polymerization initiator. In formation of the pressure sensitive adhesive sheet, the curable pressure sensitive adhesive composition may be, as necessary.
    Type: Application
    Filed: January 29, 2019
    Publication date: August 1, 2019
    Applicant: NITTO DENKO CORPORATION
    Inventors: Masahito NIWA, Itsuhiro HATANAKA, Taiki SHIMOKURI, Shou TAKARADA, Takahiro NONAKA, Keisuke HIRANO, Fumika KAWATAKE, Mika IKEMURA
  • Publication number: 20190233683
    Abstract: The pressure sensitive adhesive sheet is a sheet shaped pressure sensitive adhesive including an acryl-based base polymer. The acryl-based base polymer contains an acryl-based segment and a urethane-based segment, and a content of the urethane-based segment is 3 to 30 parts by weight based on 100 parts by weight of the acryl-based segment. The urethane-based segment includes at least one urethane chain selected from the group consisting of a polyether urethane and a polyester urethane. The content of the urethane-based segment other than the polyether urethane-based segment is 15 parts by weight or less based on 100 parts by weight of the acryl-based segment.
    Type: Application
    Filed: January 29, 2019
    Publication date: August 1, 2019
    Applicant: NITTO DENKO CORPORATION
    Inventors: Itsuhiro HATANAKA, Masahito NIWA, Taiki SHIMOKURI, Shou TAKARADA, Takahiro NONAKA, Keisuke HIRANO, Fumika KAWATAKE, Mika IKEMURA
  • Patent number: 10343136
    Abstract: The present invention provides a composition that includes a silicotitanate that has a sitinakite structure, the composition having higher cesium adsorptivity than conventional compositions. The present invention also provides a production method for the composition that includes a silicotitanate that has a sitinakite structure. The production method does not require the use of hazardous or deleterious materials, can generate a product using a compound that is easily acquired, and can use a general-purpose autoclave. Also provided is a silicotitanate composition that has higher strontium adsorptivity than the present invention. Provided is a silicotitanate composition that contains niobium and a silicotitanate that has a sitinakite structure, the composition having at least two or more diffraction peaks selected from the group consisting of 2?=8.8°±0.5°, 2?=10.0°±0.5°, and 2?=29.6°±0.5°.
    Type: Grant
    Filed: July 17, 2015
    Date of Patent: July 9, 2019
    Assignee: TOSOH CORPORATION
    Inventors: Yoju Shimizu, Hajime Funakoshi, Keisuke Tokunaga, Shigeru Hirano
  • Publication number: 20190199006
    Abstract: A terminal fitting (T) includes an inner conductor (11) and an outer conductor (12). The inner conductor (11) has a mating connecting portion (15) to be connected to a mating terminal fitting and a center conductor crimping portion (16) to be crimped to a center conductor of a shielded cable. The outer conductor (12) has a tubular portion (19) configured to surround the mating connecting portion (15). A coupling (21) is behind the tubular portion (19). The center conductor crimping portion is inside the coupling (21). A shield crimping portion (22) is behind the coupling (21) and is to be crimped to a shield layer of the shielded cable. A conductive member (60) extends in a front-rear direction and includes a bridge (61) to electrically contact the tubular portion (19) and the shield crimping portion (22) across the coupling (21).
    Type: Application
    Filed: December 24, 2018
    Publication date: June 27, 2019
    Inventors: Keisuke Kanemura, Shohei Mitsui, Hidekazu Matsuda, Yuichi Nakanishi, Ai Hirano
  • Publication number: 20190199036
    Abstract: A connector housing (20) includes a housing body (21) to which a mating connector housing is to be fit from front. A lock arm (40) has front and rear ends fixed to the housing body (21). A lock (42) is provided in a central part of the lock arm (40) in the front-rear direction and is configured to lock the mating connector housing. A pressing surface (43) is on a rear end part of the lock arm (40) and is configured to displace the lock (42) in an unlocking direction by being pressed. A coupling portion (44) couples the pressing surface (43) to the central part of the lock arm (40) in the front-rear direction.
    Type: Application
    Filed: December 24, 2018
    Publication date: June 27, 2019
    Inventors: Keisuke Kanemura, Teruo Hara, Hidekazu Matsuda, Ai Hirano, Yuichi Nakanishi, Shohei Mitsui
  • Publication number: 20190199014
    Abstract: A terminal fitting (T) includes an inner conductor (11) having a center conductor crimping portion (18) to be crimped to a center conductor of a shielded cable (W) and an outer conductor (12) having a coupling (35). The center conductor crimping portion (18) is disposed inside the coupling by assembling the inner conductor (11). Openings (43, 44) open in the coupling (35). A shield crimping portion (36) is connected to the coupling (35) and to be crimped to a shield layer of the shielded cable W. A dielectric (13) is interposed between the outer and inner conductors (12, 11), and a cover (14) is configured to close the openings (43, 44) and electrically contact the outer conductor (12).
    Type: Application
    Filed: December 24, 2018
    Publication date: June 27, 2019
    Inventors: Keisuke Kanemura, Shohei Mitsui, Yuichi Nakanishi, Ai Hirano
  • Publication number: 20190199008
    Abstract: A connector (C) includes a housing (60), a terminal fitting (10) and a retainer (80). The housing (60) includes a cavity (64) extending in a front-rear direction and a retainer insertion hole (72) intersecting and communicating with the cavity and open in an outer surface. The terminal fitting (10) is inserted into the cavity (64) from behind, and a stabilizer configured to guide an inserting operation into the cavity (64) and restrict the inserting operation in an erroneous posture projects on an outer side. The retainer (80) is inserted into the retainer insertion hole (72) and include a retaining portion (85) configured to face the stabilizer from behind.
    Type: Application
    Filed: December 24, 2018
    Publication date: June 27, 2019
    Inventors: Keisuke Kanemura, Shohei Mitsui, Hidekazu Matsuda, Yuichi Nakanishi, Ai Hirano
  • Publication number: 20190199013
    Abstract: A terminal fitting (T) includes an inner conductor (11), an outer conductor (12) and a dielectric (13) interposed between these conductors. The inner conductor (11) is connected to a core (51) of a shielded cable (W). The outer conductor (12) includes two shield crimping pieces (45) deformable along an outer periphery of a braided wire (53) of the shielded cable (W). Further, the terminal fitting (T) includes a cover (14) including a shield-side surrounding portion (84) for surrounding the shield crimping pieces (45) along outer peripheries thereof.
    Type: Application
    Filed: December 24, 2018
    Publication date: June 27, 2019
    Inventors: Keisuke Kanemura, Yuichi Nakanishi, Ai Hirano, Shohei Mitsui
  • Publication number: 20190134599
    Abstract: The present invention provides a composition that includes a silicotitanate that has a sitinakite structure, the composition having higher cesium adsorptivity than conventional compositions. The present invention also provides a production method for the composition that includes a silicotitanate that has a sitinakite structure. The production method does not require the use of hazardous or deleterious materials, can generate a product using a compound that is easily acquired, and can use a general-purpose autoclave. Also provided is a silicotitanate composition that has higher strontium adsorptivity than the present invention. Provided is a silicotitanate composition that contains niobium and a silicotitanate that has a sitinakite structure, the composition having at least two or more diffraction peaks selected from the group consisting of 2?=8.8°±0.5°, 2?=10.0°±0.5°, and 2?=29.6°±0.5°.
    Type: Application
    Filed: January 3, 2019
    Publication date: May 9, 2019
    Applicants: TOSOH CORPORATION, EBARA CORPORATION
    Inventors: Yoju SHIMIZU, Hajime FUNAKOSHI, Keisuke TOKUNAGA, Shigeru HIRANO, Takashi SAKUMA, Makoto KOMATSU, Takeshi IZUMI
  • Patent number: 10139525
    Abstract: There is provided an optical laminate excellent which secures adhesiveness between the (meth)acrylic resin film (base material film) and a hard coat layer, and can prevent a reduction in scratch resistance. An optical laminate according to an embodiment of the present invention includes: a base material layer formed of a (meth)acrylic resin film; a hard coat layer formed by applying, to the (meth)acrylic resin film, a composition for forming a hard coat layer containing a curable compound and inorganic nanoparticles; and a penetration layer having a thickness of 1.2 ?m or more, the penetration layer being formed between the base material layer and the hard coat layer by penetration of the composition for forming a hard coat layer into the (meth)acrylic resin film, wherein a content of the inorganic nanoparticles is 1.5 wt % to 50 wt % with respect to a total of the curable compound and the inorganic nanoparticles.
    Type: Grant
    Filed: April 18, 2012
    Date of Patent: November 27, 2018
    Assignee: NITTO DENKO CORPORATION
    Inventors: Shusaku Shibata, Katsunori Takada, Hiroyuki Takemoto, Keisuke Hirano
  • Patent number: 9707742
    Abstract: There is provided a flame-resistant composite member exhibiting remarkably high flame resistance even if having a flammable base material. The flame-resistant composite member according to the present invention has a film formed of a silicone resin composition (C) containing at least an inorganic oxide particle-containing condensation-reactive silicone resin on at least one surface of a base material. The inorganic oxide particle-containing condensation-reactive silicone resin may be a condensation-reactive silicone resin (A) including a crosslinked structural body wherein an inorganic oxide particle dispersed in a polysiloxane resin having a condensation-reactive group and the polysiloxane resin are crosslinked through a chemical bond. The silicone resin composition (C) may contain the condensation-reactive silicone resin (A) and an inorganic particle (B).
    Type: Grant
    Filed: November 13, 2012
    Date of Patent: July 18, 2017
    Assignee: NITTO DENKO CORPORATION
    Inventors: Kohei Doi, Kunio Nagasaki, Yusuke Sugino, Takafumi Hida, Yusuke Nakayama, Keisuke Hirano
  • Patent number: 9598555
    Abstract: The present invention relates to a flame retardant material including: a silicone resin; and a flame retardant filler, in which the silicone resin is at least one selected from the group consisting of an addition type silicone resin, a self-crosslinking type silicone resin, a silicone resin component of a silicone rubber film-forming type emulsion and a silicone rubber powder.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: March 21, 2017
    Assignee: NITTO DENKO CORPORATION
    Inventor: Keisuke Hirano
  • Patent number: 9382402
    Abstract: The flame-retardant silicone resin composition of the present invention comprises: an inorganic oxide particle-containing condensation-reactive silicone resin (A) comprising a crosslinking structure in which inorganic oxide particles dispersed in a polysiloxane resin having a condensation-reactive group are crosslinked with the polysiloxane resin by chemical bonds; and inorganic particles (B). The inorganic oxide particles are preferably at least one type of inorganic oxide particles selected from the group consisting of silica, alumina, glass frit, and antimony-doped tin oxide.
    Type: Grant
    Filed: April 9, 2013
    Date of Patent: July 5, 2016
    Assignee: NITTO DENKO CORPORATION
    Inventors: Kohei Doi, Kunio Nagasaki, Yusuke Sugino, Takafumi Hida, Yusuke Nakayama, Keisuke Hirano
  • Publication number: 20150376366
    Abstract: The present invention relates to a flame retardant material including: a silicone resin; and a flame retardant filler, in which the silicone resin is at least one selected from the group consisting of an addition type silicone resin, a self-crosslinking type silicone resin, a silicone resin component of a silicone rubber film-forming type emulsion and a silicone rubber powder.
    Type: Application
    Filed: June 25, 2015
    Publication date: December 31, 2015
    Applicant: NITTO DENKO CORPORATION
    Inventor: Keisuke HIRANO
  • Patent number: 9159902
    Abstract: A resonator includes an interdigital transducer electrode, a resonance part, a supporting part, and two beam parts. The interdigital transducer electrode is disposed on a piezoelectric thin film. The resonance part is held on a substrate through an air gap. The supporting part supports the resonance part. The two beam parts connect the resonance part to the supporting part at both ends of the resonance part. The air gap forms a level difference at the supporting part or level differences at the respective two beam parts.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: October 13, 2015
    Assignee: NIHON DEMPA KOGYO CO., LTD.
    Inventors: Keisuke Hirano, Noritoshi Kimura
  • Patent number: 9053846
    Abstract: There are provided a permanent magnet and a manufacturing method thereof enabling carbon content contained in magnet particles to be reduced in advance before sintering even when wet milling is employed. Coarsely-milled magnet powder is further milled by a bead mill in a solvent together with an organometallic compound expressed with a structural formula of M?(OR)x (M includes at least one of neodymium, praseodymium, dysprosium and terbium, each being a rare earth element, R represents a substituent group consisting of a straight-chain or branched-chain hydrocarbon, x represents an arbitrary integer) so as to uniformly adhere the organometallic compound to particle surfaces of the magnet powder. Thereafter, a compact body of compacted magnet powder is held for several hours in hydrogen atmosphere at 200 through 900 degrees Celsius to perform hydrogen calcination process. Thereafter, through sintering process, a permanent magnet 1 is manufactured.
    Type: Grant
    Filed: March 28, 2011
    Date of Patent: June 9, 2015
    Assignee: NITTO DENKO CORPORATION
    Inventors: Izumi Ozeki, Katsuya Kume, Keisuke Hirano, Tomohiro Omure, Keisuke Taihaku, Takashi Ozaki
  • Patent number: 9048014
    Abstract: There are provided a permanent magnet and a manufacturing method thereof capable of decreasing an activity level of a calcined body activated by a calcination process. To fine powder of milled neodymium magnet is added an organometallic compound solution containing an organometallic compound expressed with a structural formula of M?(OR)x (M represents Dy or Tb, R represents a substituent group consisting of a straight-chain or branched-chain hydrocarbon, x represents an arbitrary integer) so as to uniformly adhere the organometallic compound to particle surfaces of the neodymium magnet powder. Thereafter, desiccated magnet powder is held for several hours in hydrogen atmosphere at 200 through 900 degrees Celsius. Thereafter, the powdery calcined body calcined through the calcination process in hydrogen is held for several hours in vacuum atmosphere at 200 through 600 degrees Celsius for a dehydrogenation process.
    Type: Grant
    Filed: March 28, 2011
    Date of Patent: June 2, 2015
    Assignee: NITTO DENKO CORPORATION
    Inventors: Izumi Ozeki, Katsuya Kume, Keisuke Hirano, Tomohiro Omure, Keisuke Taihaku, Toshinobu Hoshino, Takashi Ozaki
  • Patent number: D854161
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: July 16, 2019
    Assignee: NGK SPARK PLUG CO., LTD.
    Inventors: Masanori Suda, Taku Hirano, Keisuke Hatta, Keiko Nii
  • Patent number: D861874
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: October 1, 2019
    Assignee: NGK SPARK PLUG CO., LTD.
    Inventors: Taku Hirano, Masanori Suda, Keiko Nii, Keisuke Hatta