Patents by Inventor Yuji Harada

Yuji Harada 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: 20170080489
    Abstract: The damage to devices are avoided, by performing operation control of a hydraulic operating means and an electric servomotor, that are adapted as drive sources in an injection step, separately and not performing coordinate control. A die casting machine 1 includes a tubular injection sleeve 12, an injection plunger 13, an electric servomotor 17 and a hydraulic operating means 21 which are used as a drive source of an injection step, and a control means 30 which controls the electric servomotor 17 and the hydraulic operating means separately, when injecting and filling the cavity of the mold, which has been closed, with the molten metal by the advancing of the injection plunger 13, during a low-speed injection step and a high-speed injection step which is performed at a higher speed than the low-speed injection step, in the injection step.
    Type: Application
    Filed: December 6, 2016
    Publication date: March 23, 2017
    Applicant: TOYO MACHINERY & METAL CO., LTD.
    Inventors: Shingo IKEDA, Akihiro YAMANAKA, Yuji HARADA
  • Patent number: 9599058
    Abstract: A control device of a gasoline direct-injection engine is provided. The control device includes an engine body, an injector, and a controller. Within a high load operating range, the controller causes the injector to perform a pre-injection and a post injection. In the pre-injection, the fuel is injected to cause a fuel concentration within an in-cylinder radially peripheral section to be higher than a fuel concentration within an in-cylinder radially central section at a timing for the fuel to ignite. In the post injection, the fuel is injected to cause the fuel concentration within the radially central section to be higher than the fuel concentration within the radially peripheral section at a timing for the fuel to ignite. The timing for the fuel injected in the post injection to ignite is after an oxidative reaction of the fuel injected in the pre-injection occurs and after a compression top dead center.
    Type: Grant
    Filed: January 8, 2015
    Date of Patent: March 21, 2017
    Assignee: Mazda Motor Corporation
    Inventors: Yuji Harada, Hiroyuki Yamashita, Masahiko Fujimoto, Masatoshi Seto
  • Publication number: 20170058793
    Abstract: An engine (1) includes an engine body, an injector (33), and an engine controller (100). The engine body includes a piston (15) inside a cylinder (11), and a combustion chamber (17) defined by the cylinder (11) and the piston (15). The injector (33) injects fuel containing at least gasoline into the combustion chamber (17) via a nozzle port (41). The engine controller (100) allows the injector (33) to inject the fuel in at least a second half of a compression stroke, and controls an injection condition of the injector (33). The injector (33) has a parameter for adjusting spread of fuel spray. The engine controller (100) adjusts the parameter to increase the spread of fuel spray with an increase in pressure in the combustion chamber (17).
    Type: Application
    Filed: March 2, 2015
    Publication date: March 2, 2017
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Yuji HARADA, Hiroyuki YAMASHITA, Tatsuya TANAKA, Tsugio FUKUBE
  • Publication number: 20160313371
    Abstract: A socket includes: a plurality of contact probes; a pin block which is configured to support the plurality of contact probes; and a retainer which is configured to support the plurality of contact probes. The pin block and the retainer are stacked and fixed to each other. The retainer is engaged with the pin block by concavo-convex engagement.
    Type: Application
    Filed: April 20, 2016
    Publication date: October 27, 2016
    Applicant: YOKOWO CO., LTD.
    Inventors: Yuji HARADA, Daisuke HOSOKAWA
  • Publication number: 20160252041
    Abstract: An engine has an engine body, an injector, and a control section which controls a fuel injection amount and an injection state of the injector. The control section predicts a state of temperature in the combustion chamber, and controls the injector such that a volume of an air-fuel mixture layer formed in the combustion chamber is larger when the predicted temperature is high, than when the predicted temperature is low, even when same fuel amounts are injected.
    Type: Application
    Filed: February 2, 2015
    Publication date: September 1, 2016
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Yuji HARADA, Hiroyuki YAMASHITA, Masahiko FUJIMOTO, Masatoshi SETO
  • Publication number: 20160159831
    Abstract: A method simply produces a narrowly distributed and high-purity polyalkylene glycol derivative having an amino group at an end without using a heavy metal catalyst.
    Type: Application
    Filed: December 4, 2015
    Publication date: June 9, 2016
    Inventors: Yuki Suka, Yuji Harada, Takeru Watanabe, Shiori Nonaka
  • Publication number: 20160159979
    Abstract: A method for producing a narrowly distributed and high-purity polyalkylene glycol derivative having an amino group at an end, a polymerization initiator for use in the method, and a precursor of the polymerization initiator are provided.
    Type: Application
    Filed: December 4, 2015
    Publication date: June 9, 2016
    Inventors: Yuki Suka, Yuji Harada, Takeru Watanabe, Shiori Nonaka
  • Patent number: 9284408
    Abstract: A method for producing a narrow molecular weight distribution polyalkylene glycol derivative having an amino group at an end is provided and allows for polymerization of ethylene oxide under mild conditions with suppressed occurrence of diol polymer impurities includes at least the steps of polymerizing ethylene oxide by using a compound represented by the following general formula (2) and converting a polymer end to R3: wherein R1 represents a linear, branched, or cyclic monovalent hydrocarbon group having 1 to 10 carbon atoms; R2 represents a linear or branched divalent hydrocarbon group having 1 to 5 carbon atoms; R3 represents a linear, branched, or cyclic monovalent hydrocarbon group having 1 to 20 carbon atoms; M represents sodium or potassium; m represents an integer of 1 to 5; n represents an integer of 1 to 450; and k represents an integer of 1 to 5.
    Type: Grant
    Filed: January 14, 2015
    Date of Patent: March 15, 2016
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Yuki Suka, Yuji Harada, Takeru Watanabe, Osamu Watanabe
  • Patent number: 9261783
    Abstract: A fluorinated ester monomer is provided having formula (1) wherein R1 is H, CH3 or CF3, R2 and R3 are H or a monovalent hydrocarbon group, or R2 and R3 forms a hydrocarbon ring, R4 is a monovalent hydrocarbon group, and k is 0 or 1. A polymer obtained from the monomer has transparency to radiation with a wavelength of up to 200 nm and appropriate alkaline hydrolysis, is constructed such that any of water repellency, water slip and surface segregation may be adjusted by a choice of its structure, and is useful in forming ArF immersion lithography materials.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: February 16, 2016
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Takeshi Kinsho, Yuuki Suka, Yuji Harada, Koji Hasegawa, Takeshi Sasami
  • Patent number: 9187404
    Abstract: A method for producing a narrow molecular weight distribution polyalkylene glycol derivative having an amino group at an end under mild conditions. A method for producing a compound of the general formula (1): CH3O(CH2CH2O)nCH2CH2CH2NH2 (wherein n is an integer of 1 to 450) comprises the following steps of: 1) a step of producing a compound of the general formula (3): CH3O(CH2CH2O)k-1CH2CH2O?M+ from a compound of the general formula (2): CH3O(CH2CH2O)kH (wherein k is an integer of 2 to 5); 2) a step of producing a compound of the general formula (4): CH3O(CH2CH2O)n-1CH2CH2O?M+ from a compound of the general formula (3); 3) a step of reacting a compound of the general formula (4) with acrylonitrile to obtain a compound of the general formula (5): CH3O(CH2CH2O)nCH2CH2CN; and 4) a step of reducing a compound of the general formula (5) to obtain a compound of the general formula (1).
    Type: Grant
    Filed: January 14, 2015
    Date of Patent: November 17, 2015
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Yuji Harada, Yuki Suka, Osamu Watanabe, Takeru Watanabe
  • Publication number: 20150240758
    Abstract: A gasoline direct-injection engine is provided. The engine performs compression self-ignition combustion, and includes a cylinder, an injector, intake and exhaust ports, intake and exhaust valves, and an ozone generating system for generating ozone inside the cylinder. The system includes an electrode projecting into the cylinder while being partially electrically insulated from walls of the cylinder, and a high-voltage control device for applying a controlled pulse-shaped voltage to the electrode. When the voltage is applied, electric discharge occurs between the non-insulated part of the electrode and the walls of the cylinder, and ozone is generated inside the cylinder due to an effect of the electric discharge. A combustion pattern is provided, in which a compression stroke injection is performed and mixture gas formed by the fuel injection self-ignites to combust. When the combustion pattern is applied, the high-voltage control device is operated on intake stroke or the compression stroke.
    Type: Application
    Filed: February 23, 2015
    Publication date: August 27, 2015
    Inventors: Masahiko Fujimoto, Yuji Harada, Masatoshi Seto, Hiroyuki Yamashita
  • Publication number: 20150221400
    Abstract: The shaft sealing structure includes a seal ring that has abutment portions formed by dividing the seal ring along the axial direction and that is provided around a main shaft in a ring-like manner; a support member that is provided in the seal ring along the circumferential direction of the main shaft; and a thermoswitch that is connected to the support member between the abutment portions and that presses the support member toward the center of the main shaft when the temperature rises to a temperature higher than that during normal operation, in which the seal ring is fixed at a position separated from the main shaft during the normal operation and is moved by the support member toward the center of the main shaft when the temperature rises to a temperature higher than that during the normal operation.
    Type: Application
    Filed: September 27, 2013
    Publication date: August 6, 2015
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kentarou Saeki, Hidekazu Uehara, Akihiko Umeda, Masaru Sakai, Hiroshi Kuzumi, Yasuhiro Ikeda, Toshihiko Matsuo, Takanobu Otani, Hiroomi Sakuma, Hitoshi Ito, Yasushi Takayama, Tomoki Hanada, Yuji Harada
  • Publication number: 20150211431
    Abstract: A control device of a gasoline direct-injection engine is provided. The control device includes an engine body, an injector, and a controller. Within a high load operating range, the controller causes the injector to perform a pre-injection and a post injection. In the pre-injection, the fuel is injected to cause a fuel concentration within an in-cylinder radially peripheral section to be higher than a fuel concentration within an in-cylinder radially central section at a timing for the fuel to ignite. In the post injection, the fuel is injected to cause the fuel concentration within the radially central section to be higher than the fuel concentration within the radially peripheral section at a timing for the fuel to ignite. The timing for the fuel injected in the post injection to ignite is after an oxidative reaction of the fuel injected in the pre-injection occurs and after a compression top dead center.
    Type: Application
    Filed: January 8, 2015
    Publication date: July 30, 2015
    Inventors: Yuji Harada, Hiroyuki Yamashita, Masahiko Fujimoto, Masatoshi Seto
  • Patent number: 9086628
    Abstract: A protective film-forming composition comprising a polymer comprising fluorinated alcohol units of the structure: —C(CF3)2OR1 wherein R1 is H or a monovalent hydrocarbon group and having a Mw of 1,000-500,000 is applied onto a resist film to form a protective film thereon. The protective film-forming composition has high water repellent and water slip performance. The protective film exhibits barrier properties to water and prevents any resist components from being leached out in water.
    Type: Grant
    Filed: August 30, 2012
    Date of Patent: July 21, 2015
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Yuuki Suka, Koji Hasegawa, Yuji Harada
  • Publication number: 20150197482
    Abstract: A method for producing a narrow molecular weight distribution polyalkylene glycol derivative having an amino group at an end under mild conditions. A method for producing a compound of the general formula (1): CH3O(CH2CH2O)nCH2CH2CH2NH2 (wherein n is an integer of 1 to 450) comprises the following steps of: 1) a step of producing a compound of the general formula (3): CH3O(CH2CH2O)k-1CH2CH2O?M+ from a compound of the general formula (2): CH3O(CH2CH2O)kH (wherein k is an integer of 2 to 5); 2) a step of producing a compound of the general formula (4): CH3O(CH2CH2O)n-1CH2CH2O?M+ from a compound of the general formula (3); 3) a step of reacting a compound of the general formula (4) with acrylonitrile to obtain a compound of the general formula (5): CH3O(CH2CH2O)nCH2CH2CN; and 4) a step of reducing a compound of the general formula (5) to obtain a compound of the general formula (1).
    Type: Application
    Filed: January 14, 2015
    Publication date: July 16, 2015
    Inventors: Yuji Harada, Yuki Suka, Osamu Watanabe, Takeru Watanabe
  • Publication number: 20150197601
    Abstract: A method for producing a narrow molecular weight distribution polyalkylene glycol derivative having an amino group at an end is provided and allows for polymerization of ethylene oxide under mild conditions with suppressed occurrence of diol polymer impurities includes at least the steps of polymerizing ethylene oxide by using a compound represented by the following general formula (2) and converting a polymer end to R3: wherein R1 represents a linear, branched, or cyclic monovalent hydrocarbon group having 1 to 10 carbon atoms; R2 represents a linear or branched divalent hydrocarbon group having 1 to 5 carbon atoms; R3 represents a linear, branched, or cyclic monovalent hydrocarbon group having 1 to 20 carbon atoms; M represents sodium or potassium; m represents an integer of 1 to 5; n represents an integer of 1 to 450; and k represents an integer of 1 to 5.
    Type: Application
    Filed: January 14, 2015
    Publication date: July 16, 2015
    Inventors: Yuki Suka, Yuji Harada, Takeru Watanabe, Osamu Watanabe
  • Publication number: 20150144093
    Abstract: A control device for direct injection gasoline engines includes a fuel injection control part (engine control device) composed to control a fuel injection aspect of an injector. The fuel injection control part changes an injection mode of the injector by changing the lift amount of the injector and the injection interval of the fuel respectively. The fuel injection control part switches between a first injection mode, which includes multiple times of the fuel injection with the small lift amount of the injector and the small interval of the fuel injection, and a second injection mode, which includes multiple times of the fuel injection with the bigger lift amount of the injector and the larger interval of the fuel injection than those of the first injection mode, according to an operating state of the engine body.
    Type: Application
    Filed: November 18, 2014
    Publication date: May 28, 2015
    Inventors: Yuji Harada, Tatsuya Tanaka, Masatoshi Seto, Hiroyuki Yamashita, Tsugio Fukube
  • Patent number: 8945809
    Abstract: A fluorinated monomer has formula (1) wherein R1 is H, F, methyl or trifluoromethyl, R2 is a monovalent hydrocarbon group which may have halogen or oxygen, A is a divalent hydrocarbon group, and k1 is 0, 1 or 2. A polymer derived from the fluorinated monomer may be endowed with appropriate water repellency, water slip, acid lability and hydrolysis and is useful as an additive polymer in formulating a resist composition.
    Type: Grant
    Filed: November 23, 2010
    Date of Patent: February 3, 2015
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Koji Hasegawa, Masayoshi Sagehashi, Taku Morisawa, Yuji Harada, Takao Yoshihara
  • Patent number: 8933251
    Abstract: A fluorinated monomer of cyclic acetal structure has formula (1) wherein R is a C1-C20 alkyl group which may be substituted with halogen or separated by oxygen or carbonyl, and Z is a divalent organic group which forms a ring with alkylenoxy and contains a polymerizable unsaturated group. A polymer derived from the fluorinated monomer may be endowed with appropriate water repellency, water sliding property, lipophilicity, acid lability and hydrolyzability and is useful in formulating a protective coating composition and a resist composition.
    Type: Grant
    Filed: March 20, 2013
    Date of Patent: January 13, 2015
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Takeru Watanabe, Satoshi Shinachi, Takeshi Kinsho, Koji Hasegawa, Yuji Harada, Jun Hatakeyama, Kazunori Maeda, Tomohiro Kobayashi
  • Patent number: 8916331
    Abstract: A polymer having a partial structure —C(CF3)2OH in recurring units is used as an additive to formulate a resist composition. A photoresist film formed from the resist composition has sufficient barrier performance against water to prevent any resist components from being leached in water and thus minimize any change of pattern profile.
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: December 23, 2014
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Koji Hasegawa, Takeshi Sasami, Yuji Harada, Taku Morisawa