Patents by Inventor Tetsuya Okamoto

Tetsuya Okamoto 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: 11035579
    Abstract: A refrigeration cycle apparatus includes a compressor, a refrigerant cooling pipe, a refrigerant-cycle constituent component, a connecting pipe and vibration transmission suppressing portion that is disposed on the connecting pipe that connects the refrigeration-cycle constituent component or the compressor and the refrigerant cooling pipe to each other.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: June 15, 2021
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Kazushi Hisayama, Tetsuya Okamoto, Yoshinobu Tsumura, Kebi Chen, Masanori Ukibune
  • Publication number: 20210148611
    Abstract: An air conditioner (1, 101) has a refrigerant circuit (10, 110) which is formed by connecting an outdoor unit (2, 102) and an indoor unit (3). The refrigerant circuit (10, 110) has a refrigerant sealed therein. The refrigerant contains a hydrofluorocarbon having a property of undergoing a disproportionation reaction. The refrigerant circuit (10, 110) includes a refrigerant shutoff mechanism (24, 41, 43, 46, 47, 48) that shuts off a flow of the refrigerant from the outdoor unit (2, 102) side to the indoor unit (3) side when the refrigerant in a portion of the refrigerant circuit (10, 110) within the outdoor unit (2, 102) meets a predetermined condition.
    Type: Application
    Filed: March 23, 2018
    Publication date: May 20, 2021
    Inventors: Eiji KUMAKURA, Tetsuya OKAMOTO
  • Publication number: 20210025643
    Abstract: A refrigeration cycle apparatus has a compressor disposed via a bottom member of a housing, second elastic members, a base, and first elastic members. The compressor is disposed close to an arrangement centroid of the second elastic members.
    Type: Application
    Filed: March 25, 2019
    Publication date: January 28, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Kazushi HISAYAMA, Tetsuya OKAMOTO, Yoshinobu TSUMURA, Kebi CHEN, Masanori UKIBUNE
  • Publication number: 20210018189
    Abstract: A refrigeration cycle apparatus includes a compressor, a refrigerant cooling pipe, a refrigerant-cycle constituent component, a connecting pipe and vibration transmission suppressing portion that is disposed on the connecting pipe that connects the refrigeration-cycle constituent component or the compressor and the refrigerant cooling pipe to each other.
    Type: Application
    Filed: March 28, 2019
    Publication date: January 21, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Kazushi HISAYAMA, Tetsuya OKAMOTO, Yoshinobu TSUMURA, Kebi CHEN, Masanori UKIBUNE
  • Publication number: 20210018188
    Abstract: A refrigeration cycle apparatus has a compressor disposed via a bottom member of a housing, a second elastic member, a base, and a first elastic member. A first electric component that drives a motor for the compressor and a second electric component that performs another control are fixed to the base and disposed. The base has an upper surface that contacts the first elastic member and a lower surface that contacts the second elastic member. The first electric component and the second electric component are fixed to the upper surface directly or indirectly via a substrate and/or an electric-component casing. Top portions of the first electric component and the second electric component are lower than a top portion of the compressor.
    Type: Application
    Filed: March 22, 2019
    Publication date: January 21, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Kazushi HISAYAMA, Tetsuya OKAMOTO, Yoshinobu TSUMURA, Kebi CHEN, Masanori UKIBUNE
  • Patent number: 10683589
    Abstract: Provided is a polyetherimide-based fiber containing a polyetherimide resin and carbon black dispersed in the resin, wherein the content of the carbon black is 0.03 wt % or greater; the carbon black has a primary particle number-mean particle size of from 30 nm to 500 nm; and the fiber has a weight reduction rate of less than 0.5% around the glass transition point (Tg) of the polyetherimide resin, where the weight reduction rate is defined by a following formula (1). Weight reduction rate (%)={[(fiber weight at temperature T1)?(fiber weight at temperature T2)]/(fiber weight at temperature T1)}×100??(1) Where T1 denotes a temperature (Tg?15° C.) that is 15° C. lower than the glass transition point (glass transition temperature) of the polyetherimide resin, and T2 denotes a temperature (Tg+25° C.) that is 25° C. higher than the glass transition point.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: June 16, 2020
    Assignee: KURARAY CO., LTD.
    Inventors: Tetsuya Okamoto, Akihiro Uehata, Satoshi Katsuya
  • Publication number: 20200173059
    Abstract: The present invention provides a semi-aromatic polyamide fiber having acid resistance and further having excellent long-term heat resistance and good spinning properties. The semi-aromatic polyamide fiber contains a semi-aromatic polyamide resin having a melting point of 280° C. or less and satisfies all of the following conditions (1) to (3): (1) in the semi-aromatic polyamide, a dicarboxylic acid component is an aromatic dicarboxylic acid, and 40 mol % to 80 mol % of a diamine component is 2-methyl-1,8-octanediamine; (2) the semi-aromatic polyamide comprises 50 ppm to 500 ppm of a copper compound in terms of copper; and (3) the semi-aromatic polyamide fiber has a peak temperature of a glass transition point from 120° C. to 140° C.
    Type: Application
    Filed: May 24, 2018
    Publication date: June 4, 2020
    Applicant: KURARAY CO., LTD.
    Inventors: Tetsuya TOMOSUGI, Akihiro UEHATA, Tetsuya OKAMOTO
  • Publication number: 20200171789
    Abstract: Provided are a melt blown (MB) nonwoven fabric, a laminate using the same, a method of producing a melt blown nonwoven fabric as well as a melt blowing apparatus. A melt blowing apparatus 100 includes a die 10 configured to discharge a resin melt 42 with an accompanying jet to give fiber materials, a hollow cover 20, and a collector 60. The fiber materials 50 from the die 10 are heated to a temperature equal to or higher than a crystallization temperature of crystalline thermoplastic resin inside the hollow cover 20 and collected on a collecting surface 62 of the collector 60. The hollow cover 20 and the collector 60 are separated by a distance of 5 cm or longer between a lower edge 28 of the hollow cover 20 and the collecting surface 62 in a line extending downwardly from the nozzle holes 12 in a vertical direction.
    Type: Application
    Filed: February 7, 2020
    Publication date: June 4, 2020
    Applicant: KURARAY CO., LTD.
    Inventors: Tetsuya OKAMOTO, Yasuhiro SHIROTANI
  • Patent number: 10608203
    Abstract: An organic EL display device includes a substrate and an organic EL element (electroluminescent element) provided on the substrate. The organic El display device includes a sealing layer that seals the organic EL element. The sealing layer includes silicon oxide films. Moreover, the degree of oxidation of the silicon oxide films is set to 1.2 or more and 1.8 or less.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: March 31, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Takeshi Hirase, Tetsuya Okamoto, Tohru Senoo, Tohru Sonoda, Takashi Ochi, Mamoru Ishida
  • Patent number: 10600982
    Abstract: In an organic EL display device that includes a base material having flexibility and an organic EL element (electroluminescence element) provided on the base material, a sealing film is formed that seals the organic EL element. Additionally, a first adjustment layer and a second adjustment layer, which are configured of materials having the same thickness and the same Young's modulus and are configured to adjust a neutral surface of the organic EL display device, are each provided at an end portion on one side and an end portion on another side of the organic EL display device in a film thickness direction T.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: March 24, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Mamoru Ishida, Tetsuya Okamoto, Takeshi Hirase, Takashi Ochi, Tohru Senoo, Tohru Sonoda
  • Publication number: 20200072518
    Abstract: A control unit (19) that controls the operation of a refrigerant circuit (10) executes pump down operation in which a non-azeotropic refrigerant mixture is collected into a portion of the refrigerant circuit (10) within an outdoor unit (2), executes compositional ratio determination in which the compositional ratio of the non-azeotropic refrigerant mixture is determined based on the pressure and temperature of the non-azeotropic refrigerant mixture collected into the outdoor unit (2) by the pump down operation, and generates an alert when the compositional ratio of the non-azeotropic refrigerant mixture determined by the compositional ratio determination is outside an acceptable proportion range of a hydrofluorocarbon having the property of undergoing a disproportionation reaction.
    Type: Application
    Filed: March 23, 2018
    Publication date: March 5, 2020
    Inventors: Eiji KUMAKURA, Ikuhiro IWATA, Tetsuya OKAMOTO
  • Patent number: 10510989
    Abstract: An organic EL display device includes a flexible base and an organic EL element (electroluminescent element) provided on the base, and further includes an adjustment layer that has heat dissipating properties and that adjusts a neutral surface of the organic EL display device. The adjustment layer is provided on the organic EL element side relative to the center of the whole organic EL display device in the film thickness direction.
    Type: Grant
    Filed: July 4, 2016
    Date of Patent: December 17, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tohru Sonoda, Takeshi Hirase, Tetsuya Okamoto, Tohru Senoo, Mamoru Ishida, Takashi Ochi
  • Patent number: 10440840
    Abstract: The present invention provides a flexible device which is free of twist and distortion at a bent part of a flexible module, and has excellent display quality and a high level of reliability. The flexible device (1) includes a first housing (31), a second housing (41), a third housing (61), and a plurality of turning bodies (80) each of which is fixed to the first housing (31) or the second housing (41) and rolls on the third housing (61) so that a turning axis (80a) of the each of the plurality of turning bodies (80) horizontally moves.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: October 8, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Takashi Ochi, Takeshi Hirase, Tetsuya Okamoto, Tohru Senoo, Tohru Sonoda, Mamoru Ishida
  • Patent number: 10410855
    Abstract: The present invention provides a cleaning method by which it is possible to prevent deformation of a film formation mask (31). While the film formation mask (31) disposed between a shower head (4) and a susceptor (3) within a chamber (2) is cooled, a cleaning gas made into plasma, which cleaning gas reacts with a reaction product (32) deposited on a surface of the film formation mask (31), is blown on the film formation mask (31).
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: September 10, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Daichi Nishikawa, Takeshi Hirase, Tetsuya Okamoto, Tohru Senoo, Tohru Sonoda, Seiji Fujiwara, Mamoru Ishida
  • Patent number: 10388904
    Abstract: Provided is an organic EL display device that includes: a substrate; a first electrode provided on the substrate; an organic EL layer provided on the first electrode; a second electrode provided on the organic EL layer; and a sealing film layer provided so as to cover the second electrode. The sealing film layer has protruding portions and recessed portions.
    Type: Grant
    Filed: November 4, 2015
    Date of Patent: August 20, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Seiji Fujiwara, Takeshi Hirase, Tetsuya Okamoto, Tohru Senoo, Tohru Sonoda, Daichi Nishikawa, Mamoru Ishida
  • Patent number: 10355055
    Abstract: This organic EL display device is provided with: a TFT substrate; a counter substrate; an organic EL element provided on the TFT substrate; a sealing film that seals the organic EL element; a color filter layer provided on the counter substrate on a side closer to the organic EL element; and a filler layer that is filled between the sealing film and the color filter layer. This organic EL display device satisfies nM(h?1)/nMh×LM(h?1)/?(TM(h?1)2+LM(h?1)2)?1, nMh/ng×LMh/?(TMh2+LMh2)?1, ng/nCF×Lg/?(Tg2+Lg2)?1, nCF/nGL×LCF/?(TCF2+LCF2)?1, or nGL/nair×LGL/?(TGL2+LGL2)?1, while satisfying XEC/2+XBM/2??(TMi×tan ?Mi)+Tg×tan ?g+TCF×tan ?CF.
    Type: Grant
    Filed: November 4, 2015
    Date of Patent: July 16, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Seiji Fujiwara, Takeshi Hirase, Tetsuya Okamoto, Tohru Senoo, Tohru Sonoda
  • Patent number: 10355244
    Abstract: A the organic EL display 1 includes: a first substrate 10; an organic EL element 4 provided above the first substrate 10; and a multilayer sealing film 2 provided above the first substrate 10 to cover the organic EL element 4, and including a barrier layer and a buffer layer lower in hardness than the barrier layer. The organic EL element covered with the multi layer sealing film includes a protrusion, and a relationship (d/h)<2 holds where h is a height of the protrusion directly below the buffer layer and d is a thickness of the buffer layer.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: July 16, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tohru Sonoda, Takeshi Hirase, Tetsuya Okamoto, Tohru Senoo, Daichi Nishikawa, Mamoru Ishida
  • Patent number: 10355242
    Abstract: In an organic EL display device (electroluminescent device) including an organic EL element (electroluminescent element), a first sealing film covers the organic El element, a second sealing film is formed on the first sealing film, and a third sealing film covers the first sealing film and the second sealing film.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: July 16, 2019
    Inventors: Tetsuya Okamoto, Takeshi Hirase, Tohru Senoo, Tohru Sonoda, Wataru Nakamura
  • Patent number: 10347862
    Abstract: An organic EL display device (1) includes: a plurality of organic EL elements (30) each including a lower electrode (31), an EL layer (32), and an upper portion (33); and a sealing layer (40) covering the plurality of organic EL elements (30), the organic EL display device (1) having, in a non-light-emitting portion (5) of a display region (2), at least one contact hole (34) extending through at least the upper electrode (33) and the EL layer (32) and allowing the sealing layer (40) to be in contact with a surface of a layer below the organic EL layer (32).
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: July 9, 2019
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Tohru Sonoda, Takeshi Hirase, Tetsuya Okamoto, Tohru Senoo, Mamoru Ishida
  • Patent number: 10340479
    Abstract: In an organic EL (electroluminescence) display device including a base member, and an organic EL element disposed on the base member, the organic EL display device further includes a sealing film to seal the organic EL element. The sealing film includes two inorganic layers, and two organic layers disposed between the two inorganic layers and having infiltration rates different from each other.
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: July 2, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Mamoru Ishida, Tetsuya Okamoto, Takeshi Hirase, Takashi Ochi, Tohru Senoo, Tohru Sonoda