Patents by Inventor Kentaro Murakami

Kentaro Murakami 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: 10618289
    Abstract: A liquid ejecting apparatus includes a liquid ejecting head provided with a nozzle and a cap that executes capping for forming a first space to which the nozzle is open, in a surrounding manner. The cap includes a capping member that is provided with a suction hole and an atmosphere communicating hole which is configured to allow an inside of the cap to communicate with an outside, a liquid absorber that is disposed inside the capping member, and a reception member that is disposed inside the capping member so as to form a second space between the liquid absorber and the reception member. The second space is positioned closer to a side of the liquid ejecting head than to the liquid absorber in a posture of capping, and the atmosphere communicating hole is open to the second space.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: April 14, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Hiromichi Nakashima, Yuichi Urabe, Kentaro Murakami, Shuji Funada, Hisashi Sato, Akihiro Furuya
  • Publication number: 20200101754
    Abstract: A channel member includes a liquid emission port coupled to a liquid introduction section to emit liquid to the liquid introduction section, and a liquid feeding port that receives liquid from outside to feed the liquid to the liquid emission port. The liquid emission port and the liquid feeding port have the same opening direction.
    Type: Application
    Filed: September 26, 2019
    Publication date: April 2, 2020
    Inventors: Hiroyuki HAGIWARA, Katsuhiro Okubo, Kentaro Murakami
  • Publication number: 20200070520
    Abstract: A liquid ejecting head, a liquid ejecting apparatus, a liquid ejecting head cleaning method, and a liquid ejecting head manufacturing method, in which the liquid ejecting head includes a nozzle that ejects a liquid, a liquid supply path that supplies the liquid to the nozzle, a filter that filters the liquid flowing in the liquid supply path, and a liquid discharge path open in the liquid supply path between the filter and the nozzle. The liquid discharge path includes an on-off valve that opens and closes the opening. The on-off valve permits passage of the liquid from a liquid supply path side to a liquid discharge path side while blocking passage of the liquid from the liquid discharge path side to the liquid supply path side.
    Type: Application
    Filed: August 27, 2019
    Publication date: March 5, 2020
    Inventors: Kentaro MURAKAMI, Katsuhiro OKUBO, Hiroyuki HAGIWARA, Hiroyuki KOBAYASHI
  • Publication number: 20200030299
    Abstract: An FGF21 production promoting agent containing, as an active ingredient, a compound represented by the following formula (1): wherein each of R1 and R2, which may be identical to or different from each other, represents, for example, a hydrogen atom; each of R3a, R3b, R4a, and R4b, which may be identical to or different from one another, represents, for example, a hydrogen atom or a halogen atom, or R3a and R3b or R4a and R4b may bond together to form an alkylenedioxy group; X represents an oxygen atom, a sulfur atom, or N—R5 (R5 represents, for example, a hydrogen atom or a C1-4 alkyl group); Y represents, for example, an oxygen atom, an S(O)l group (l is a number of from 0 to 2), or a carbonyl group; Z represents CH or N; n is a number of from 1 to 6; and m is a number from 2 to 6, a salt of the compound, or a solvate of the compound or the salt.
    Type: Application
    Filed: October 2, 2019
    Publication date: January 30, 2020
    Applicant: Kowa Co., Ltd.
    Inventors: Toshiaki TAKIZAWA, Kentaro MURAKAMI
  • Publication number: 20190176472
    Abstract: A liquid ejecting apparatus includes a liquid ejecting head provided with a nozzle and a cap that executes capping for forming a first space to which the nozzle is open, in a surrounding manner. The cap includes a capping member that is provided with a suction hole and an atmosphere communicating hole which is configured to allow an inside of the cap to communicate with an outside, a liquid absorber that is disposed inside the capping member, and a reception member that is disposed inside the capping member so as to form a second space between the liquid absorber and the reception member. The second space is positioned closer to a side of the liquid ejecting head than to the liquid absorber in a posture of capping, and the atmosphere communicating hole is open to the second space.
    Type: Application
    Filed: December 5, 2018
    Publication date: June 13, 2019
    Inventors: Hiromichi NAKASHIMA, Yuichi URABE, Kentaro MURAKAMI, Shuji FUNADA, Hisashi SATO, Akihiro FURUYA
  • Publication number: 20190167644
    Abstract: An FGF21 production promoting agent containing, as an active ingredient, a compound represented by the following formula (1): wherein each of R1 and R2 which may be identical to or different from each other, represents, for example, a hydrogen atom; each of R3a, R3b, R4a, and R4b, which may be identical to or different from one another, represents, for example, a hydrogen atom or a halogen atom, or R3a and R3b or R4a and R4b may bond together to form an alkylenedioxy group; X represents an oxygen atom, a sulfur atom, or N—R5 (R5 represents, for example, a hydrogen atom or a C1-4 alkyl group); Y represents, for example, an oxygen atom, an S(O)1 group (l is a number of from 0 to 2), or a carbonyl group; Z represents CH or N; n is a number of from 1 to 6; and m is a number from 2 to 6, a salt of the compound, or a solvate of the compound or the salt.
    Type: Application
    Filed: February 7, 2019
    Publication date: June 6, 2019
    Applicant: Kowa Co. Ltd.
    Inventors: Toshiaki TAKIZAWA, Kentaro MURAKAMI
  • Patent number: 10112401
    Abstract: A method of manufacturing a liquid ejecting apparatus which includes a container holder on which a first liquid container and a second liquid container are detachably mounted, an nozzles for ejecting the liquid supplied from each of the liquid containers, and an adjuster that is disposed at a position covered by the first liquid container and not covered by the second liquid container, the method including: ejecting liquid by the nozzles in a state in which the second liquid container is mounted without the first liquid container being mounted; and adjusting the liquid ejecting apparatus by the adjuster based on an ejection result in the ejecting of the liquid.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: October 30, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Kentaro Murakami, Hiroyuki Kobayashi, Yasushi Yajima, Toshiaki Ishikawa, Toru Chino
  • Patent number: 10059106
    Abstract: Provided is a liquid ejecting head including: a first board on which a driving element for ejecting liquid is installed; a second board which is installed on the surface of the first board and covers the driving element; a wiring board that includes a first surface on which a wiring, where a driving signal is supplied to the driving element, is formed and a second surface that is at the opposite side to the first surface, and where the first surface of a first end section is joined to the surface of the first board; and a filling material which covers the wiring by being formed at least between the first surface and a wall surface of the second board, in which the height of the filling material with respect to the surface of the first board is high at the first surface side in comparison to the second surface side.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: August 28, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Hiroyuki Hagiwara, Toshinobu Yamazaki, Kentaro Murakami, Isao Takimoto, Hidekazu Todoroki, Tomoo Kinoshita, Takayuki Shimosaka, Kazushige Hakeda
  • Publication number: 20180078530
    Abstract: An FGF21 production promoting agent containing, as an active ingredient, a compound represented by the following formula (1): wherein each of R1 and R2, which may be identical to or different from each other, represents, for example, a hydrogen atom; each of R3a, R3b, R4a, and R4b, which may be identical to or different from one another, represents, for example, a hydrogen atom or a halogen atom, or R3a and R3b or R4a and R4b may bond together to form an alkylenedioxy group; X represents an oxygen atom, a sulfur atom, or N—R5 (R5 represents, for example, a hydrogen atom or a C1-4 alkyl group); Y represents, for example, an oxygen atom, an S(O)l group (l is a number of from 0 to 2), or a carbonyl group; Z represents CH or N; n is a number of from 1 to 6; and m is a number from 2 to 6, a salt of the compound, or a solvate of the compound or the salt.
    Type: Application
    Filed: October 18, 2017
    Publication date: March 22, 2018
    Applicant: Kowa Co., Ltd.
    Inventors: Toshiaki TAKIZAWA, Kentaro MURAKAMI
  • Publication number: 20180056657
    Abstract: A method of manufacturing a liquid ejecting apparatus which includes a container holder on which a first liquid container and a second liquid container are detachably mounted, an nozzles for ejecting the liquid supplied from each of the liquid containers, and an adjuster that is disposed at a position covered by the first liquid container and not covered by the second liquid container, the method including: ejecting liquid by the nozzles in a state in which the second liquid container is mounted without the first liquid container being mounted; and adjusting the liquid ejecting apparatus by the adjuster based on an ejection result in the ejecting of the liquid.
    Type: Application
    Filed: July 26, 2017
    Publication date: March 1, 2018
    Inventors: Kentaro MURAKAMI, Hiroyuki KOBAYASHI, Yasushi YAJIMA, Toshiaki ISHIKAWA, Toru CHINO
  • Publication number: 20170217199
    Abstract: There is provided a flow path structure including: a storage chamber that stores a liquid; a pressure receiver that receives a first pressure inside the storage chamber and a second pressure outside the storage chamber; a valve that changes the first pressure according to the movement of the pressure receiver; and a pressing portion that presses the pressure receiver according to the supply pressure of the fluid from a fluid supply source, in which an area of the front end of the pressing portion that presses the pressure receiver is smaller than an area of a rear end that receives the supply pressure.
    Type: Application
    Filed: January 30, 2017
    Publication date: August 3, 2017
    Inventors: Ken YAMAGISHI, Hisashi SATO, Kentaro MURAKAMI, Nagatoshi KASAHARA, Kazuya TAJIMA
  • Patent number: 9567916
    Abstract: An engine control apparatus for controlling an engine which drives a hydraulic pump to discharge operation oil, the engine control apparatus includes: a pump driving power limit unit configured to limit pump driving power, which is power used to drive the hydraulic pump, based on pressure of the operation oil discharged by the hydraulic pump when in a state in which a part of the operation oil discharged by the hydraulic pump is released because pressure of the operation oil discharged by the hydraulic pump has become equal to or higher than preset relief pressure; and an engine output control unit configured to control output of the engine so that target speed, which is speed of the engine set as a target, becomes equal to or higher than a value of a point of time when limiting of the pump driving power is started.
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: February 14, 2017
    Assignee: Komatsu Ltd.
    Inventors: Tadashi Kawaguchi, Kentaro Murakami
  • Patent number: 9494169
    Abstract: The present invention includes an information generator to set a lever manipulation amount total sum decrease flag during a period when a lever manipulation amount total sum is decreasing, a first processor to process an engine actual output, an engine actual output latching function block to output the maximum value of the engine actual output until the present during a period in which a lever manipulation amount total sum decrease flag is not set, and output the present engine actual output during a period in which the flag is set, a second processor to output an engine target output based on the engine output, and a controller to control the engine speed under limitation of the engine target output.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: November 15, 2016
    Assignee: Komatsu Ltd.
    Inventors: Kentaro Murakami, Tadashi Kawaguchi
  • Publication number: 20160243086
    Abstract: An FGF21 production promoting agent containing, as an active ingredient, a compound represented by the following formula (1): wherein each of R1 and R2, which may be identical to or different from each other, represents, for example, a hydrogen atom; each of R3a, R3b, R4a, and R4b, which may be identical to or different from one another, represents, for example, a hydrogen atom or a halogen atom, or R3a and R3b or R4a and R4b may bond together to form an alkylenedioxy group; X represents an oxygen atom, a sulfur atom, or N—R5 (R5 represents, for example, a hydrogen atom or a C1-4 alkyl group); Y represents, for example, an oxygen atom, an S(O)l group (l is a number of from 0 to 2), or a carbonyl group; Z represents CH or N; n is a number of from 1 to 6; and m is a number from 2 to 6, a salt of the compound, or a solvate of the compound or the salt.
    Type: Application
    Filed: May 3, 2016
    Publication date: August 25, 2016
    Applicant: Kowa Co., Ltd.
    Inventors: Toshiaki TAKIZAWA, Kentaro Murakami
  • Patent number: 9388771
    Abstract: In an intake controller for an internal combustion engine, an opening controlling unit performs, when a light load operation is performed during a manual forced regeneration process of a diesel particulate filter which reduces an amount of particulate matter included in exhaust gas exhausted from the internal combustion engine, control to form a bypass passage by setting an open-close valve to a fully closed state and a variable turbo nozzle to a fully closed state and which performs, when an amount of the injected fuel detected by a fuel injection amount detecting unit becomes zero, control to set the open-close valve from the fully closed state to a fully opened state and the variable turbo nozzle from the fully closed state to a fully opened state.
    Type: Grant
    Filed: March 1, 2011
    Date of Patent: July 12, 2016
    Assignee: Komatsu Ltd.
    Inventors: Kentaro Murakami, Yoshiki Kanzaki
  • Patent number: 9347389
    Abstract: It is determined that assisting is required when a deviation of a target matching engine speed and a current engine speed is equal to or more than a predetermined value, and for a predetermined period of time since the time point at which it is determined that assisting is required, a target assist engine speed is set at a high rotation target matching engine speed which is more than the target matching engine speed, and thereafter the target assist engine speed is set gradually closer to the target matching engine speed, and an assist torque command value is output to the generator assisting output of the engine, and the engine speed is controlled, so that the engine speed attains the target assist engine speed.
    Type: Grant
    Filed: April 16, 2012
    Date of Patent: May 24, 2016
    Assignee: Komatsu Ltd.
    Inventors: Tadashi Kawaguchi, Kentaro Murakami, Jun Morinaga
  • Publication number: 20160114582
    Abstract: Provided is a liquid ejecting head including: a first board on which a driving element for ejecting liquid is installed; a second board which is installed on the surface of the first board and covers the driving element; a wiring board that includes a first surface on which a wiring, where a driving signal is supplied to the driving element, is formed and a second surface that is at the opposite side to the first surface, and where the first surface of a first end section is joined to the surface of the first board; and a filling material which covers the wiring by being formed at least between the first surface and a wall surface of the second board, in which the height of the filling material with respect to the surface of the first board is high at the first surface side in comparison to the second surface side.
    Type: Application
    Filed: October 22, 2015
    Publication date: April 28, 2016
    Inventors: Hiroyuki HAGIWARA, Toshinobu YAMAZAKI, Kentaro MURAKAMI, Isao TAKIMOTO, Hidekazu TODOROKI, Tomoo KINOSHITA, Takayuki SHIMOSAKA, Kazushige HAKEDA
  • Patent number: 9273615
    Abstract: When an internal combustion engine that is provided in a work machine and that serves as a power source for the work machine is controlled, the following lines are used: a first equal throttle line which is defined to correspond to a case where an amount of fuel injection for the internal combustion engine is maximum where the rotation speed of the internal combustion engine is the same and so that an output of the internal combustion engine becomes constant, a second equal throttle line which is defined to correspond to a case where the amount of fuel injection for the internal combustion engine is zero where the rotation speed of the internal combustion engine is the same and so that the torque decreases with increase of the rotation speed, and a third equal throttle line which is obtained from the first equal throttle line and the second equal throttle line.
    Type: Grant
    Filed: July 23, 2013
    Date of Patent: March 1, 2016
    Assignee: Komatsu Ltd.
    Inventor: Kentaro Murakami
  • Patent number: 9260032
    Abstract: A battery charge/discharge control device which performs battery charge/discharge control in a working machine with a battery capable of storing electric energy generated by a generator motor coupled to an engine and driving the generator motor or at least one of other electric actuators by the stored electric energy and a controller which controls a distribution of the electric energy among the battery, the generator motor, and the electric actuator, wherein the controller performs the charge/discharge control in which the electric energy of the battery is discharged when the engine is driven and recharging to the battery is permitted on a condition that a state in which an engine speed is equal to or lower than a predetermined engine speed is maintained for a predetermined time after the battery is completely discharged.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: February 16, 2016
    Assignee: Komatsu Ltd.
    Inventors: Kentaro Murakami, Tadashi Kawaguchi, Makoto Hashimoto
  • Publication number: 20150300270
    Abstract: When an internal combustion engine that is provided in a work machine and that serves as a power source for the work machine is controlled, the following lines are used: a first equal throttle line which is defined to correspond to a case where an amount of fuel injection for the internal combustion engine is maximum where the rotation speed of the internal combustion engine is the same and so that an output of the internal combustion engine becomes constant, a second equal throttle line which is defined to correspond to a case where the amount of fuel injection for the internal combustion engine is zero where the rotation speed of the internal combustion engine is the same and so that the torque decreases with increase of the rotation speed, and a third equal throttle line which is obtained from the first equal throttle line and the second equal throttle line.
    Type: Application
    Filed: July 23, 2013
    Publication date: October 22, 2015
    Inventor: Kentaro Murakami