Patents by Inventor Masaru Kawaguchi

Masaru Kawaguchi 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).

  • Patent number: 10858472
    Abstract: A polythiol composition includes a polythiol compound (a) represented by the following formula (5) and a compound (b) wherein, in a high performance liquid chromatography measurement of the polythiol composition under defined conditions, the peak area of the compound (b) which appears at the retention time from 4.3 minutes to 5.6 minutes is equal to or less than 3.0, with respect to the peak area of 100 of the polythiol compound (a) which appears at the retention time from 12.0 minutes to 13.5 minutes. A process for producing a polythiol composition, a method of manufacturing a molded product, a molded product, an optical element and a lens are also provided.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: December 8, 2020
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Masaru Kawaguchi, Takeshi Nishimura
  • Patent number: 10858473
    Abstract: A polythiol composition includes a polythiol compound (a) that includes at least one kind selected from the compounds represented by the following formulae (6) to (8) as main component, and a compound (b) wherein, in a high performance liquid chromatography measurement of the polythiol composition under defined conditions, the peak area of the compound (b) which appears at the retention time from 6.5 minutes to 8.0 minutes is equal to or less than 3.0, with respect to the peak area of 100 of the polythiol compound (a) which appears at the retention time from 22.0 minutes to 28.0 minutes. A process for producing a polythiol composition, a method of manufacturing a molded product, a molded product, an optical element and a lens are also provided.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: December 8, 2020
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Masaru Kawaguchi, Takeshi Nishimura
  • Patent number: 10844010
    Abstract: In a process for producing a (poly) sulfide compound represented by General Formula (2) of the present invention, thiol compounds represented by General Formula (1) are reacted with each other in the presence of a basic compound represented by General Formula (4) or General Formula (5) and sulfur.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: November 24, 2020
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Koichi Tokunaga, Chitoshi Shimakawa, Shigetoshi Kuma, Masaru Kawaguchi
  • Publication number: 20200346144
    Abstract: A filtration filter that includes a filter section having a plurality of through-holes passing through a first main surface and constructed such that objects to be filtered contained in a liquid are captured and a second main surface opposite the first main surface; and a frame section surrounding an outer periphery of the filter section, wherein a first film thickness at a center of the filter section is larger than a second film thickness of the filter section at a position closer to the frame section than the center of the filter section.
    Type: Application
    Filed: July 20, 2020
    Publication date: November 5, 2020
    Inventors: Shusuke Yokota, Masaru Banju, Toshikazu Kawaguchi, Takashi Kondo
  • Patent number: 10759781
    Abstract: The present invention provides a compound of general formula (I) (wherein, R1, X, p and q are as described in the present description and claims), or a pharmacologically acceptable salt thereof, and a pharmaceutical composition containing that compound.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: September 1, 2020
    Assignee: UBE INDUSTRIES, LTD.
    Inventors: Ken-ichi Komori, Akishi Ninomiya, Shigeru Ushiyama, Masaru Shinohara, Koji Ito, Tetsuo Kawaguchi, Yasunori Tokunaga, Hiroyoshi Kawada, Haruka Yamada, Yusuke Shiraishi, Masahiro Kojima, Masaaki Ito, Tomio Kimura
  • Publication number: 20200155981
    Abstract: A filtration device includes a container, a channel member, and a filter. The container has a space of variable volume that contains a liquid, the liquid including a target substance to be separated by filtration. The channel member includes a channel and an opening that are defined therein, the opening being provided at a position along the channel in a direction transverse to the direction in which the channel extends. The channel member has an attachment part to which the container is attached and which provides communication between the space in the container and the channel. The filter is attached inside the channel member and positioned at the opening.
    Type: Application
    Filed: January 27, 2020
    Publication date: May 21, 2020
    Inventors: Toshikazu Kawaguchi, Masaru Banju, Takashi Kondo
  • Publication number: 20200155990
    Abstract: A filtration device includes a first channel member, a second channel member, and a filter. The first channel member has a recess recessed inward from an outer wall surface. A groove is formed is the recess and has an opening in a recessed surface of the recess. First and second channels, each defined by a through-hole, are formed in the first channel member and are connected to the groove. A first connection part connects the groove with the first channel. The second channel member has a projection that detachably mates with the recess. The second channel member includes a discharge channel that has an opening in a projecting surface of the projection, the opening being located over the groove. The filter is disposed along the groove, and positioned at the opening of the discharge channel. When the first and second channel members are placed in a operative relationship, a third channel is formed by the projecting surface of the projection and the opening of the groove.
    Type: Application
    Filed: January 24, 2020
    Publication date: May 21, 2020
    Inventors: Toshikazu Kawaguchi, Masaru Banju, Takashi Kondo
  • Publication number: 20200148856
    Abstract: A polymerizable composition for an optical material according to the present invention includes (A) phosphite triester represented by Formula (1), (D) a photochromic compound, (E) a polyisocyanate compound, and (F) a difunctional or higher functional active hydrogen compound.
    Type: Application
    Filed: July 2, 2018
    Publication date: May 14, 2020
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Yuuki KASORI, Masaru KAWAGUCHI, Nobuo KAWATO
  • Publication number: 20200135533
    Abstract: A wafer expanding method for expanding a wafer having a plurality of rectangular devices respectively formed in a plurality of separate regions defined by a plurality of division lines, thereby increasing spacing between any adjacent ones of the devices, each rectangular device having a pair of shorter sides and a pair of longer sides. The wafer expanding method includes a jig preparing step of preparing an annular jig having an elliptical opening, the elliptical opening having a shorter portion for restricting a width of the annular exposed portion in a first direction where the shorter sides of the devices extend to a first width and a longer portion for restricting the width of the annular exposed portion in a second direction where the longer sides of the devices extend to a second width larger than the first width.
    Type: Application
    Filed: October 29, 2019
    Publication date: April 30, 2020
    Inventors: Yoshihiro KAWAGUCHI, Masaru NAKAMURA
  • Patent number: 10627749
    Abstract: A voltage maintenance element is connected to a contact member that contacts a primary transfer surface area of an intermediate transfer belt to which toner images are transferred from a plurality of image carriers between stretch members, in such a way as to prevent the electric potential of the intermediate transfer belt from varying between respective image forming stations.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: April 21, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shinji Katagiri, Yuji Kawaguchi, Masaru Ohno, Tsuguhiro Yoshida, Takeo Kawanami, Taro Minobe, Masaru Shimura
  • Publication number: 20200047084
    Abstract: Disclosed is a separation material comprising hydrophobic polymer particles and a coating layer covering at least a portion of a surface of the hydrophobic polymer particles, wherein the coating layer comprises a hydrophilic polymer having hydroxy groups, and the hydrophilic polymer has a group represented by —NH—R-L or an epoxy group, wherein R represents a hydrocarbon group and L represents a carboxy group or an amino group.
    Type: Application
    Filed: March 29, 2018
    Publication date: February 13, 2020
    Inventors: Akiko KAWAGUCHI, Masaru WATANABE, Fumihiko KAWAUCHI, Yasushi GOTOH, Ken YASUE, Emi MIYAZAWA
  • Publication number: 20190337962
    Abstract: The present invention provides a compound of general formula (I) (wherein X is as described in the present description and claims), or a pharmacologically acceptable salt thereof, and a pharmaceutical composition containing that compound.
    Type: Application
    Filed: December 27, 2017
    Publication date: November 7, 2019
    Applicant: UBE INDUSTRIES, LTD.
    Inventors: Ken-ichi KOMORI, Akishi NINOMIYA, Shigeru USHIYAMA, Masaru SHINOHARA, Koji ITO, Tetsuo KAWAGUCHI, Yasunori TOKUNAGA, Hiroyoshi KAWADA, Haruka YAMADA, Yusuke SHIRAISHI, Masahiro KOJIMA, Masaaki ITO, Tomio KIMURA
  • Patent number: 10464399
    Abstract: A vehicle window opening device includes a controller, a change detector, and a drawing detector. The controller configured to control opening and closing of a vehicle window based on a drive force of a motor. The change detector is configured to detect a change in a state of movement of the vehicle window. A drawing detector is configured to detect drawing of a foreign matter by the vehicle window based on a change detected by the change detector. The controller is configured to restrict opening of the vehicle window after the drawing detection.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: November 5, 2019
    Assignee: Denso Corporation
    Inventors: Daisuke Nishio, Tomohiko Kawaguchi, Masaru Kubota, Yutaka Naito
  • Publication number: 20190211258
    Abstract: Provided is a photochromic lens in which a transmittance at 23° C. after irradiation using a xenon lamp at an illuminance of 50,000 lux for 15 minutes satisfies the following conditions. (1) A transmittance at 550 nm is 25% or less. (2) A transmittance a at 550 nm is larger than a minimum transmittance b between 575 nm and 600 nm, and a difference between the transmittance a and the transmittance b is 5% or more. (3) There are one or more points of inflection in a transmittance curve from 550 nm to 600 nm.
    Type: Application
    Filed: September 28, 2017
    Publication date: July 11, 2019
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Nobuo Kawato, Masaru Kawaguchi, Shinichiro Kadowaki, Yuuki Kasori
  • Publication number: 20190176645
    Abstract: A target value obtaining section obtains a target value for the difference in rotational motion between a first motor and a second motor and a target value for output torque. A torque command value calculating section calculates a torque command value for the first motor and a torque command value for the second motor that achieve both of the target value for the difference in rotational motion and the target value for the output torque by using an inverse model of a motion model corresponding to a merging system.
    Type: Application
    Filed: November 19, 2018
    Publication date: June 13, 2019
    Applicant: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
    Inventors: Teruhiko NAKAZAWA, Ryoichi HIBINO, Hiroyuki NISHIZAWA, Atsushi KAWAGUCHI, Gentaro YAMANAKA, Yasushi AMANO, Masaru SUGAI, Yasuhiro TORII
  • Publication number: 20190176126
    Abstract: Disclosed is a separation material comprising: a porous polymer particle containing a crosslinked polymer containing a structural unit derived from a crosslinkable monomer having an aromatic group and two or more vinyl groups bonded to the aromatic group; and a coating layer coating at least part of the surface of the porous polymer. The coating layer contains a first graft chain that is a polymer having a hydroxyl group bonded to the crosslinked polymer, and a second graft chain that is a polymer having a hydroxyl group, bonded to the first graft chain, and being different from the first graft chain.
    Type: Application
    Filed: March 10, 2017
    Publication date: June 13, 2019
    Inventors: Masaru WATANABE, Fumihiko KAWAUCHI, Akiko KAWAGUCHI, Akihito GOTOH, Ken YASUE, Emi MIYAZAWA, Yasushi GOTOH, Michio BUTSUGAN
  • Publication number: 20190152953
    Abstract: The present invention provides a compound of general formula (I) (wherein, R1, X, p and q are as described in the present description and claims), or a pharmacologically acceptable salt thereof, and a pharmaceutical composition containing that compound.
    Type: Application
    Filed: August 5, 2016
    Publication date: May 23, 2019
    Applicant: UBE INDUSTRIES, LTD.
    Inventors: Ken-ichi KOMORI, Akishi NINOMIYA, Shigeru USHIYAMA, Masaru SHINOHARA, Koji ITO, Tetsuo KAWAGUCHI, Yasunori TOKUNAGA, Hiroyoshi KAWADA, Haruka YAMADA, Yusuke SHIRAISHI, Masahiro KOJIMA, Masaaki ITO, Tomio KIMURA
  • Publication number: 20190137910
    Abstract: A voltage maintenance element is connected to a contact member that contacts a primary transfer surface area of an intermediate transfer belt to which toner images are transferred from a plurality of image carriers between stretch members, in such a way as to prevent the electric potential of the intermediate transfer belt from varying between respective stations.
    Type: Application
    Filed: December 17, 2018
    Publication date: May 9, 2019
    Inventors: Shinji Katagiri, Yuji Kawaguchi, Masaru Ohno, Tsuguhiro Yoshida, Takeo Kawanami, Taro Minobe, Masaru Shimura
  • Patent number: 10266636
    Abstract: A process for producing an episulfide compound for an optical material of the present invention includes a step of chlorinating glycerin to obtain dichloropropanol; a step of epoxidizing the dichloropropanol to obtain epichlorohydrin; a step of reacting the epichlorohydrin with a sulfating agent to obtain a bis(chlorohydrin) (di)sulfide compound thought a thiol compound; a step of epoxidizing the bis(chlorohydrin) (di)sulfide compound under basic conditions to obtain an epoxy compound; and a step of reacting the epoxy compound with a sulfating agent to obtain an episulfide compound represented by following General Formula (1): wherein, in the formula, n represents 0 or 1.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: April 23, 2019
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Hidetaka Tsukada, Masaru Kawaguchi
  • Publication number: 20190077751
    Abstract: In a process for producing a (poly) sulfide compound represented by General Formula (2) of the present invention, thiol compounds represented by General Formula (1) are reacted with each other in the presence of a basic compound represented by General Formula (4) or General Formula (5) and sulfur.
    Type: Application
    Filed: March 17, 2017
    Publication date: March 14, 2019
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Koichi Tokunaga, Chitoshi Shimakawa, Shigetoshi Kuma, Masaru Kawaguchi