Patents by Inventor Tatsuya Oyama

Tatsuya Oyama 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: 20240106958
    Abstract: A group management device includes a required information acquisition unit, a supplement instruction unit, a mounting information acquisition unit, and a group update unit. The required information acquisition unit acquires information showing required groups that are groups determined to require supplements of the consumables used in image forming devices that are managed per group. The supplement instruction unit performs a supplement instruction of the consumables for the required groups. The mounting information acquisition unit acquires mounting information showing the image forming device mounted with the consumable supplemented in response to the supplement instruction.
    Type: Application
    Filed: September 26, 2022
    Publication date: March 28, 2024
    Inventors: Tatsuya Inagi, Shigeki Yamaguchi, Satoshi Oyama, Takumi Fujita
  • Patent number: 11943414
    Abstract: An image processing apparatus includes a display device and a processor. The processor is configured to generate a first screen for display on the display device and on which one of a plurality of malfunctioning part candidates of the image processing apparatus and one of a plurality of timings at which a particular sound was output by the image processing apparatus that malfunctioned, are selectable, when a first malfunctioning part candidate and a first timing are selected on the first screen, generate a second screen for display on the display device and on which one or more reference sounds corresponding to the particular sound are selectable, and when one of the reference sounds is selected on the second screen, generate error information indicating the first malfunctioning part candidate and the selected reference sound.
    Type: Grant
    Filed: April 13, 2023
    Date of Patent: March 26, 2024
    Assignee: Toshiba Tec Kabushiki Kaisha
    Inventors: Sou Miyazaki, Hiroyo Tanaka, Kazuhiro Ogura, Masaki Narahashi, Satoshi Oyama, Tatsuya Inagi
  • Publication number: 20230051676
    Abstract: An object of the present invention is to provide a novel production method of a poly(ester)carbonate. The present invention relates to a production method of a poly(ester)carbonate, including subjecting a diol and a carbonate ester to a transesterification reaction in the presence of a catalyst, wherein the catalyst comprises aluminum or a compound thereof, and a phosphorus compound.
    Type: Application
    Filed: November 1, 2022
    Publication date: February 16, 2023
    Applicant: TEIJIN LIMITED
    Inventors: Kazunori NUNOME, Manabu MATSUI, Takatsune YANAGIDA, Kazuyoshi OGASAWARA, Keisuke SATO, Kyosuke YAMADA, Tatsuya OYAMA
  • Patent number: 11578168
    Abstract: The purpose of the present invention is to provide a high temperature/humidity resistant polycarbonate resin without using bisphenol A as a raw material. The present invention relates to a polycarbonate resin comprising the repeating units of formulas (1), (2) and (3), wherein the content of the repeating unit of formula (3) is 5 mol% to 50 mol%, and the refractive index is 1.570 to 1.600. {In formula (1), R1 and R2 each represent a hydrogen atom or a C1-10 hydrocarbon group.} {In formula (3), n ranges from 0 to 8, and the R symbols are each selected from C1-3 alkyl groups}.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: February 14, 2023
    Assignee: TEIJIN LIMITED
    Inventors: Tatsuya Oyama, Kazuyoshi Ogasawara, Atsushi Umeki, Keisuke Sato, Manabu Matsui
  • Patent number: 11566102
    Abstract: The purpose of the present invention is to provide a polyester resin or polyester carbonate resin, which has high refractive index, while achieving an excellent balance between heat resistance and low birefringence. A polyester resin or a polyester carbonate resin, which contains repeating units represented by the following formulae (1) and (2), and wherein the ratio of the repeating unit represented by formula (1) to the repeating unit represented by formula (2) is 15:85 to 85:15.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: January 31, 2023
    Assignee: TEIJIN LIMITED
    Inventors: Kyosuke Yamada, Manabu Matsui, Takatsune Yanagida, Kazuyoshi Ogasawara, Kazunori Nunome, Keisuke Sato, Tatsuya Oyama
  • Patent number: 11505698
    Abstract: The present invention relates to a production method of a poly(ester)carbonate, including subjecting a diol and a carbonate ester to a transesterification reaction in the presence of a catalyst, wherein the catalyst comprises aluminum or a compound thereof, and a phosphorus compound.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: November 22, 2022
    Assignee: TEIJIN LIMITED
    Inventors: Kazunori Nunome, Manabu Matsui, Takatsune Yanagida, Kazuyoshi Ogasawara, Keisuke Sato, Kyosuke Yamada, Tatsuya Oyama
  • Publication number: 20220145005
    Abstract: It is an object of this invention to provide an optical member that is able to cut ultraviolet rays without employing means such as addition of an ultraviolet absorber to the resin, using an ultraviolet cut filter or using ultraviolet absorption coating, as well as a thermoplastic resin to be used for the optical member. The thermoplastic resin of the invention comprises a spatial structural component unit, wherein the spatial structural component unit includes four or more aromatic groups selected from the group consisting of monocyclic aromatic groups and fused polycyclic aromatic groups, the spatial structural component unit has three or more monocyclic aromatic groups and/or heterocyclic aromatic groups in a conjugated structure, or one or more monocyclic aromatic groups and one or more fused polycyclic aromatic groups in a conjugated structure, or two or more fused polycyclic aromatic groups in a conjugated structure, and in a 0.
    Type: Application
    Filed: February 26, 2020
    Publication date: May 12, 2022
    Applicant: TEIJIN LIMITED
    Inventors: Tatsuya OYAMA, Manabu MATSUI
  • Publication number: 20220146713
    Abstract: The invention provides an optical lens that can provide small-sized imaging modules. The optical lens of the invention comprises a thermoplastic resin having a refractive index (nD) and Abbe number (?) satisfying the following mathematical formula (A): nD??0.02×?+2.040??(A) (where 1.660<nD).
    Type: Application
    Filed: February 26, 2020
    Publication date: May 12, 2022
    Applicant: TEIJIN LIMITED
    Inventors: Kyosuke YAMADA, Manabu MATSUI, Takatsune YANAGIDA, Kazuyoshi OGASAWARA, Kazunori NUNOME, Keisuke SATO, Tatsuya OYAMA, Yasuhiko TOMONARI
  • Publication number: 20210371650
    Abstract: The present invention relates to a production method of a poly(ester)carbonate, including subjecting a diol and a carbonate ester to a transesterification reaction in the presence of a catalyst, wherein the catalyst comprises aluminum or a compound thereof, and a phosphorus compound.
    Type: Application
    Filed: December 27, 2018
    Publication date: December 2, 2021
    Applicant: TEIJIN LIMITED
    Inventors: Kazunori NUNOME, Manabu MATSUI, Takatsune YANAGIDA, Kazuyoshi OGASAWARA, Keisuke SATO, Kyosuke YAMADA, Tatsuya OYAMA
  • Publication number: 20210040263
    Abstract: The purpose of the present invention is to provide a high temperature/humidity resistant polycarbonate resin without using bisphenol A as a raw material. The present invention relates to a polycarbonate resin comprising the repeating units of formulas (1), (2) and (3), wherein the content of the repeating unit of formula (3) is 5 mol % to 50 mol %, and the refractive index is 1.570 to 1.600. {In formula (1), R1 and R2 each represent a hydrogen atom or a C1-10 hydrocarbon group.} {In formula (3), n ranges from 0 to 8, and the R symbols are each selected from C1-3 alkyl groups}.
    Type: Application
    Filed: March 20, 2019
    Publication date: February 11, 2021
    Applicant: TEIJIN LIMITED
    Inventors: Tatsuya OYAMA, Kazuyoshi OGASAWARA, Atsushi UMEKI, Keisuke SATO, Manabu MATSUI
  • Publication number: 20210002420
    Abstract: The purpose of the present invention is to provide a polyester resin or polyester carbonate resin, which has high refractive index, while achieving an excellent balance between heat resistance and low birefringence. A polyester resin or a polyester carbonate resin, which contains repeating units represented by the following formulae (1) and (2), and wherein the ratio of the repeating unit represented by formula (1) to the repeating unit represented by formula (2) is 15:85 to 85:15.
    Type: Application
    Filed: March 11, 2019
    Publication date: January 7, 2021
    Applicant: TEIJIN LIMITED
    Inventors: Kyosuke YAMADA, Manabu MATSUI, Takatsune YANAGIDA, Kazuyoshi OGASAWARA, Kazunori NUNOME, Keisuke SATO, Tatsuya OYAMA
  • Patent number: 9989723
    Abstract: An optical fiber ribbon comprises a plurality of optical fiber strands that are arranged side-by-side in one direction and integrated. The optical fiber ribbon comprises a plurality of optical fiber strands that are bonded in parallel. In the optical fiber ribbon, the adjacent optical fiber strands are bonded using a bonding section in which the same are continuously bonded along the entire length thereof and a bonding section in which the same are intermittently bonded at prescribed intervals. In other words, either of the bonding sections is formed between the adjacent optical fiber strands.
    Type: Grant
    Filed: January 13, 2015
    Date of Patent: June 5, 2018
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yutaka Hoshino, Noboru Okada, Tatsuya Oyama
  • Publication number: 20170299829
    Abstract: An optical fiber ribbon comprises a plurality of optical fiber strands that are arranged side-by-side in one direction and integrated. The optical fiber ribbon comprises a plurality of optical fiber strands that are bonded in parallel. In the optical fiber ribbon, the adjacent optical fiber strands are bonded using a bonding section in which the same are continuously bonded along the entire length thereof and a bonding section in which the same are intermittently bonded at prescribed intervals. In other words, either of the bonding sections is formed between the adjacent optical fiber strands.
    Type: Application
    Filed: January 13, 2015
    Publication date: October 19, 2017
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yutaka Hoshino, Noboru Okada, Tatsuya Oyama
  • Patent number: 8835446
    Abstract: The present invention relates to novel quinazoline derivatives with less skin irritation and an excellent action of strongly suppressing scratching behavior, and pharmaceutical compositions containing a quinazoline derivative as an active ingredient. The present invention is directed to the quinazoline derivatives represented by the general formula [1] or pharmaceutically acceptable salts thereof. In the general formula [1], R1 represents hydrogen or the like; R2 represents hydrogen or the like; R3 and R4 are the same or different and represent hydrogen, alkyl, alkoxy or halogen; R5 is combined with R6 to represent alkylene or represents hydrogen, hydroxy, alkyl, phenyl or alkoxy; R6 represents alkyl, cycloalkyl, phenyl, a 5- to 10-membered aromatic heterocyclic group containing one to three heteroatoms selected from the group consisting of a nitrogen atom, an oxygen atom and a sulfur atom, or —N(R6-1)(R6-2).
    Type: Grant
    Filed: April 2, 2013
    Date of Patent: September 16, 2014
    Assignee: Nippon Shinyaku Co., Ltd.
    Inventors: Masahiko Okano, Tatsuya Oyama
  • Publication number: 20130225613
    Abstract: The present invention relates to novel quinazoline derivatives with less skin irritation and an excellent action of strongly suppressing scratching behavior, and pharmaceutical compositions containing a quinazoline derivative as an active ingredient. The present invention is directed to the quinazoline derivatives represented by the general formula [1] or pharmaceutically acceptable salts thereof. In the general formula [1], R1 represents hydrogen or the like; R2 represents hydrogen or the like; R3 and R4 are the same or different and represent hydrogen, alkyl, alkoxy or halogen; R5 is combined with R6 to represent alkylene or represents hydrogen, hydroxy, alkyl, phenyl or alkoxy; R6 represents alkyl, cycloalkyl, phenyl, a 5- to 10-membered aromatic heterocyclic group containing one to three heteroatoms selected from the group consisting of a nitrogen atom, an oxygen atom and a sulfur atom, or —N(R6-1) (R6-2).
    Type: Application
    Filed: April 2, 2013
    Publication date: August 29, 2013
    Applicant: NIPPON SHINYAKU CO., LTD.
    Inventors: Masahiko OKANO, Tatsuya OYAMA
  • Patent number: 8442371
    Abstract: An optical fiber cable and a tight-buffered optical fiber which suppress an increase in transmission loss in a humid and hot environment and have good manufacturability are disclosed. The tight-buffered optical fiber of the present invention comprises a glass fiber surrounded by a first coating layer and a second coating layer, the second coating layer comprising two or more layers; wherein a pull-out force is 15 N/20 mm or less in at least one pair of layers between the first coating layer and the second coating layer, or between any two layers of the second coating layer.
    Type: Grant
    Filed: September 25, 2009
    Date of Patent: May 14, 2013
    Assignee: Furukawa Electric Co., Ltd.
    Inventors: Tatsuya Oyama, Toshiaki Ozawa
  • Patent number: 8431586
    Abstract: The present invention relates to novel quinazoline derivatives with less skin irritation and an excellent action of strongly suppressing scratching behavior, and pharmaceutical compositions containing a quinazoline derivative as an active ingredient. The present invention is directed to the quinazoline derivatives represented by the general formula [1] or pharmaceutically acceptable salts thereof. In the general formula [1], R1 represents hydrogen or the like; R2 represents hydrogen or the like; R3 and R4 are the same or different and represent hydrogen, alkyl, alkoxy or halogen; R5 is combined with R6 to represent alkylene or represents hydrogen, hydroxy, alkyl, phenyl or alkoxy; R6 represents alkyl, cycloalkyl, phenyl, a 5- to 10-membered aromatic heterocyclic group containing one to three heteroatoms selected from the group consisting of a nitrogen atom, an oxygen atom and a sulfur atom, or —N(R6-1)(R6-2).
    Type: Grant
    Filed: October 3, 2006
    Date of Patent: April 30, 2013
    Assignee: Nippon Shinyaku Co., Ltd.
    Inventors: Masahiko Okano, Tatsuya Oyama
  • Patent number: 8217031
    Abstract: The present invention relates to a compound represented by formula [1] or a pharmaceutically acceptable salt thereof: In formula [1], one of X and Y is CH and the other is oxygen or sulfur; R is hydrogen, etc.; Z is hydrogen, etc.; Ar is phenyl, etc.; and n is 1 or 2 and or m is 1 or 2, excluding compounds where n is 2 and m is 2 simultaneously. Also provided is a pharmaceutical composition comprising a compound of formula [1] or a pharmaceutically acceptable salt thereof as an active ingredient. The composition is usable as an agent for the prevention or treatment of depression, panic disorder, anxiety, obsessive-compulsive disorder, chronic pain, fibromyalgia, obesity, stress urinary incontinence, and overactive bladder.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: July 10, 2012
    Assignee: Nippon Shinyaku Co., Ltd.
    Inventors: Masato Matsuoka, Tatsuya Oyama
  • Patent number: 8137425
    Abstract: An intake system (10, 20) for a vehicle internal combustion engine is provided in which a first air intake duct (16), having an air intake inlet (16a) to inhale external air, is connected to an air cleaner box (14). A second air intake duct (17, 27) is also connected to the air cleaner box. The air intake inlet is closer to the air cleaner box than the second air intake duct is. The cross section area of a second air intake duct is greater than the cross section area of the first air intake duct. The center axis of the second air intake duct at an end on the side of a second air intake opening (12, 22) intersects with the center axis of the first air intake duct at an end on the side of a first air intake opening (11).
    Type: Grant
    Filed: January 29, 2008
    Date of Patent: March 20, 2012
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Haruhiko Saito, Tatsuya Oyama
  • Patent number: 7758678
    Abstract: A housing of an air cleaner has an air inlet port and an air outlet port, and incorporates an air filter. In the housing, a fuel adsorption filter is arranged downstream of the air filter in such manner as to intersect an air passage. An open portion and a sheet-like adsorption portion are vertically defined in an outer frame of the fuel adsorption filter. The adsorption portion has a fuel adsorbing function. A weir is provided in a boundary between the open portion and the adsorption portion. The weir limits air flow from the upstream side of the adsorption portion to the upstream side of the open portion. A flow straightening plate having a flow straightening function is provided in the open portion.
    Type: Grant
    Filed: April 16, 2008
    Date of Patent: July 20, 2010
    Assignees: Toyota Boshoku Kabushiki Kaisha, Toyota Jidosha Kabushiki Kaisha
    Inventors: Tomohiro Yoshida, Tatsuya Oyama, Haruhiko Saito, Tohru Ohba, Shinichi Kamiya, Masaki Aihara, Yoichi Ishihara