Patents by Inventor Takeshi Nishimura

Takeshi Nishimura 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: 20180334528
    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: Application
    Filed: July 31, 2018
    Publication date: November 22, 2018
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Masaru KAWAGUCHI, Takeshi NISHIMURA
  • Publication number: 20180334527
    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: Application
    Filed: July 31, 2018
    Publication date: November 22, 2018
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Masaru KAWAGUCHI, Takeshi NISHIMURA
  • Publication number: 20180275083
    Abstract: One object is to increase the amount of abrasion powder accumulated in a sensing region to improve the sensitivity in sensing the abrasion powder. Provided is a sensor for sensing reduction of electric resistance between electrodes, a magnetic field being applied between the electrodes to accumulate magnetic powder floating in a lubricant between the electrodes, wherein at least one sensing region in which the magnetic powder is to be accumulated is provided in at least a part of a region between the electrodes, and the magnetic powder is inhibited from being accumulated in a non-sensing region constituted by a space around the electrodes other than the at least one sensing region.
    Type: Application
    Filed: March 26, 2018
    Publication date: September 27, 2018
    Inventors: Takeshi KIRIYAMA, Takeshi NISHIMURA, Kazuhiko SAKURAI, Masaki HARADA
  • Patent number: 10080713
    Abstract: The invention provides surface-treated spherical calcium carbonate particles for use in cosmetics which comprise spherical calcium carbonate particles having a volume mean diameter in a range of 0.5 to 20 ?m, and having on their surfaces a hydrous silica coating, and further a silicone oil coating on the hydrous silica coating. The surface-treated spherical calcium carbonate particles for use in cosmetics are obtained by forming a hydrous silica coating on the surfaces of spherical calcium carbonate particles, and then by forming a silicone oil coating on the surfaces of the hydrous silica coating of the particles.
    Type: Grant
    Filed: October 16, 2013
    Date of Patent: September 25, 2018
    Assignee: SAKAI CHEMICAL INDUSTRY CO., LTD.
    Inventors: Hiroyuki Izumikawa, Seiji Sakamoto, Takeshi Nishimura
  • Publication number: 20180224086
    Abstract: Provided is a light-emitting device with reduced in-plane luminance variation. The light-emitting device includes a main substrate, a plurality of light sources, a plurality of lenses, and one or more light reflection members. The main substrate includes a central part and a peripheral part that surrounds the central part. The plurality of light sources are each disposed on the central part of the main substrate. The plurality of lenses are disposed to correspond to the plurality of light sources respectively. The plurality of lenses apply optical effects to beams of light from the plurality of light sources respectively. One or more light reflection members are each disposed on the peripheral part. The light reflection members each have reflectance that is higher than the reflectance of the main substrate.
    Type: Application
    Filed: July 5, 2016
    Publication date: August 9, 2018
    Inventors: TAKESHI NISHIMURA, TAKUYA SHIMA
  • Publication number: 20180186733
    Abstract: A process for producing a pentaerythritol mercaptocarboxylic acid ester of the present invention includes: a step of reacting pentaerythritol with a mercaptocarboxylic acid, in which an absorbance of a 5 wt % aqueous solution of the pentaerythritol at a wavelength of 270 nm, which is measured using a quartz cell having an optical path length of 50 mm, is 0.07 or less.
    Type: Application
    Filed: June 24, 2016
    Publication date: July 5, 2018
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Shigetoshi KUMA, Masayuki FURUYA, Takeshi NISHIMURA
  • Publication number: 20180150155
    Abstract: A touch sensor with a circularly polarizing plate includes an electrostatic capacitance type touch sensor. A circularly polarizing plate is arranged on a visible side of the electrostatic capacitance type touch sensor. The sensor includes a transparent substrate and a plurality of first electrodes individually formed in a strip shape on the transparent substrate. The sensor additionally includes a plurality of second electrodes formed on a surface of the transparent substrate opposite to a surface on which the first electrodes are formed. The second electrodes have a strip shape in a manner of intersecting with the first electrodes. The first electrodes are made of a metal mesh. The second electrodes are made of a plurality of conductive nanowires, existing in a connecting state respectively so as to be conductively connected, and a binder resin holding the plurality of conductive nanowires on the second transparent substrate.
    Type: Application
    Filed: April 20, 2016
    Publication date: May 31, 2018
    Inventors: Kazuhiro NISHIKAWA, Ryomei OMOTE, Takao HASHIMOTO, Takeshi NISHIMURA
  • Publication number: 20180022860
    Abstract: There is provided a polymerizable composition for an optical material including a polyether-modified compound having a polyether group represented by General Formula (4) below, and a polymerization reactive compound. (In General Formula (4), R25 represents a linear or branched alkylene group having 1 to 20 carbon atoms, R26 represents a hydrogen atom, a linear or branched alkyl group having 1 to 20 carbon atoms, a linear or branched alkenyl group having 2 to 20 carbon atoms, or a linear or branched alkynyl group having 2 to 20 carbon atoms, a plurality of present R25's may be the same or different, and k is an integer equal to or more than 1.
    Type: Application
    Filed: February 2, 2016
    Publication date: January 25, 2018
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Shinsuke ITO, Kouji SUESUGI, Takeshi NISHIMURA, Kouju OKAZAKI, Mamoru TANAKA
  • Patent number: 9874814
    Abstract: A method for producing a touch input sensor includes stacking an intermediate resin layer (33) containing a photosensitive resin and an ultraviolet absorber and a transparent conductive film (32) on both surfaces of a transparent substrate (10) in that order, performing a pattern exposure with ultraviolet rays (L) applied to both surface sides, and performing developing to form a transparent electrode formed of the transparent conductive film (32) on both surfaces of the transparent substrate (10).
    Type: Grant
    Filed: April 3, 2017
    Date of Patent: January 23, 2018
    Assignee: NISSHA PRINTING CO., LTD.
    Inventors: Tomohiro Yamaoka, Ryomei Omote, Hayato Nakaya, Takeshi Nishimura, Yoshitaka Emoto
  • Publication number: 20180018041
    Abstract: [Object] To provide a method for manufacturing a touch sensor capable of concurrently forming routed circuit patterns on both surfaces of a base film and capable of aligning the routed circuit patterns on the top and bottom surfaces with each other with high accuracy. [Solution] A method for manufacturing a touch sensor includes forming electrode patterns on both surfaces of a base film through concurrent light exposure on both surfaces and development using photosensitive electrically conductive films each including a support film, an electrically conductive layer disposed on the support film and containing an electrically conductive fiber, and a second photosensitive resin layer disposed on the electrically conductive layer. Routed circuit patterns obtained by patterning the light-shielding metal layers are formed in advance on both surfaces of the base film.
    Type: Application
    Filed: April 8, 2016
    Publication date: January 18, 2018
    Inventors: Ryomei OMOTE, Takao HASHIMOTO, Takeshi NISHIMURA
  • Publication number: 20170349692
    Abstract: A polythiol composition includes a polythiol compound (A) having three or more mercapto groups and a nitrogen-containing compound (B) in which one of a mercapto group of the polythiol compound (A) is replaced with a group represented by the following formula (a) and other one of a mercapto group of the polythiol compound (A) is replaced with a hydroxyl group, in which the peak area of the nitrogen-containing compound (B) is equal to or less than 1.5 with respect to the peak area of 100 of the polythiol compound (A) in a high performance liquid chromatography measurement.
    Type: Application
    Filed: August 25, 2017
    Publication date: December 7, 2017
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Masaru Kawaguchi, Takeshi Nishimura
  • Patent number: 9827747
    Abstract: A multi-layer film having excellent surface hardness and transparency, a small heat shrinkage factor and such high brittleness that it is easily trimmed after decorative molding. The multi-layer film comprises a layer (layer A) which contains a polycarbonate resin having a viscosity average molecular weight of 13,000 or more to less than 20,000 and layers (layer B-1 and layer B-2) which contain an acrylic resin and are formed on both sides of the layer A, respectively, wherein the total thickness of the multi-layer film is 50 to 200 ?m, and the thickness of the layer A accounts for 5 to 30 $ of the total thickness.
    Type: Grant
    Filed: August 2, 2013
    Date of Patent: November 28, 2017
    Assignees: TEIJIN LIMITED, NISSHA PRINTING CO., LTD.
    Inventors: Shoichi Maekawa, Junichi Shibata, Takeshi Nishimura, Shuichi Taya
  • Publication number: 20170335944
    Abstract: The present application discloses a sensor provided with a detection portion that detects a foreign substance of a predetermined size or larger generated in a lubricant in a gear device and an output portion that, upon the detection portion detecting the foreign substance, outputs information indicating that the foreign substance has been detected.
    Type: Application
    Filed: May 11, 2017
    Publication date: November 23, 2017
    Inventor: Takeshi NISHIMURA
  • Patent number: 9777103
    Abstract: A polythiol composition according to the present invention includes a polythiol compound (A) having three or more mercapto groups and a nitrogen-containing compound (B) in which one of a mercapto group of the polythiol compound (A) is replaced with a group represented by the following formula (a) and other one of a mercapto group of the polythiol compound (A) is replaced with a hydroxyl group, in which the peak area of the nitrogen-containing compound (B) is equal to or less than 3.0 with respect to the peak area of 100 of the polythiol compound (A) in a high performance liquid chromatography measurement.
    Type: Grant
    Filed: August 13, 2013
    Date of Patent: October 3, 2017
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Masaru Kawaguchi, Takeshi Nishimura
  • Publication number: 20170205917
    Abstract: A method for producing a touch input sensor includes stacking an intermediate resin layer (33) containing a photosensitive resin and an ultraviolet absorber and a transparent conductive film (32) on both surfaces of a transparent substrate (10) in that order, performing a pattern exposure with ultraviolet rays (L) applied to both surface sides, and performing developing to form a transparent electrode formed of the transparent conductive film (32) on both surfaces of the transparent substrate (10).
    Type: Application
    Filed: April 3, 2017
    Publication date: July 20, 2017
    Applicant: NISSHA PRINTING CO., LTD.
    Inventors: Tomohiro YAMAOKA, Ryomei OMOTE, Hayato NAKAYA, Takeshi NISHIMURA, Yoshitaka EMOTO
  • Patent number: 9637584
    Abstract: Provided is a method for producing a molded product comprising a step for preparing a polymerizable composition for optical materials and a step for curing the polymerizable composition for optical materials to produce the molded product. The step for preparing the polymerizable composition for optical materials comprises a step for preparing a defined polythiol compound and a step for preparing the polymerizable composition for optical materials from the polythiol compound. The step for preparing the defined polythiol compound comprises reacting 2-mercaptoethanol with a defined epihalohydrin compound at a temperature of 10° C. to 50° C.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: May 2, 2017
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Masaru Kawaguchi, Takeshi Nishimura
  • Patent number: 9605105
    Abstract: Provided is a method for producing a molded product comprising preparing a polymerizable composition for optical materials and curing the polymerizable composition for optical materials to produce the molded product. The preparation of the polymerizable composition comprises preparing a polythiol compound containing, as a main component, one kind or two or more kinds selected from a defined group of compounds, and preparing the polymerizable composition from the polythiol compound.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: March 28, 2017
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Masaru Kawaguchi, Takeshi Nishimura
  • Publication number: 20160122562
    Abstract: Transparent conductive films are described based on sparse metal conductive layers. Stabilization with respect to degradation of electrical conductivity over time is provided for the sparse metal conductive layers through the design of additional layers in the film. Specifically, the sparse metal conductive layer can be placed adjacent coatings with appropriate stabilization compositions as well as through the incorporation into the film of various additional protective layers.
    Type: Application
    Filed: October 29, 2014
    Publication date: May 5, 2016
    Inventors: Xiqiang Yang, Hua Gu, Yung-Yu Huang, Arthur Yung-Chi Cheng, Ajay Virkar, Ryomei Omote, Kazuhiro Nishikawa, Takeshi Nishimura, Yoshitaka Emoto
  • Publication number: 20160024242
    Abstract: Provided is a method for producing a molded product comprising a step for preparing a polymerizable composition for optical materials and a step for curing the polymerizable composition for optical materials to produce the molded product. The step for preparing the polymerizable composition for optical materials comprises a step for preparing a defined polythiol compound and a step for preparing the polymerizable composition for optical materials from the polythiol compound. The step for preparing the defined polythiol compound comprises reacting 2-mercaptoethanol with a defined epihalohydrin compound at a temperature of 10° C. to 50° C.
    Type: Application
    Filed: September 30, 2015
    Publication date: January 28, 2016
    Applicant: MITSUI CHEMICALS., INC.
    Inventors: Masaru KAWAGUCHI, Takeshi NISHIMURA
  • Publication number: 20160017085
    Abstract: Provided is a method for producing a molded product comprising preparing a polymerizable composition for optical materials and curing the polymerizable composition for optical materials to produce the molded product. The preparation of the polymerizable composition comprises preparing a polythiol compound containing, as a main component, one kind or two or more kinds selected from a defined group of compounds, and preparing the polymerizable composition from the polythiol compound.
    Type: Application
    Filed: September 30, 2015
    Publication date: January 21, 2016
    Applicant: MITSUI CHEMICALS., INC.
    Inventors: Masaru KAWAGUCHI, Takeshi NISHIMURA