Patents by Inventor Koichiro Nakatani

Koichiro Nakatani 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: 10674814
    Abstract: To provide a support device having preferable operability. A music stand includes a support body supporting a music. A movable body is provided at a support column of the support body to be movable. A fixed body is provided at a lower end portion of the support column. A leg body is fitted to the movable body to be rotatable. The fixed body and the leg body are connected with a connection body. The movable body has three leg fitting projections arranged in a peripheral direction of the movable body main body part. The leg body has facing portions separately facing each other with the leg fitting projection interposed.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: June 9, 2020
    Assignee: VELBON KABUSHIKI KAISHA
    Inventor: Koichiro Nakatani
  • Publication number: 20190200754
    Abstract: To provide a support device having preferable operability. A music stand includes a support body supporting a music. A movable body is provided at a support column of the support body to be movable. A fixed body is provided at a lower end portion of the support column. A leg body is fitted to the movable body to be rotatable. The fixed body and the leg body are connected with a connection body. The movable body has three leg fitting projections arranged in a peripheral direction of the movable body main body part. The leg body has facing portions separately facing each other with the leg fitting projection interposed.
    Type: Application
    Filed: December 26, 2018
    Publication date: July 4, 2019
    Applicant: VELBON KABUSHIKI KAISHA
    Inventor: Koichiro NAKATANI
  • Patent number: 10145402
    Abstract: A telescoping device including an upper tubular body, a lower tubular body, and a fixing unit that releasably fixes the lower tubular body with respect to the upper tubular body. The fixing unit includes an operation body and a fixation body. The fixation body consists of an outer member, an upper inner member, and a lower inner member. On the outer member, inner peripheral upward inclined surfaces and inner peripheral downward inclined surfaces are formed. On the upper inner member, outer peripheral downward inclined surfaces are formed, and on the lower inner member, outer peripheral upward inclined surfaces are formed.
    Type: Grant
    Filed: March 20, 2014
    Date of Patent: December 4, 2018
    Assignee: VELBON KABUSHIKI KAISHA
    Inventor: Koichiro Nakatani
  • Patent number: 9488135
    Abstract: A flow rate controller of an internal combustion engine includes a flow rate change section configured by including an EGR valve, a bypass valve, and a diesel throttle, as the flow rate change section capable of changing at least one of a flow rate of exhaust gas that is recirculated to an intake system from an exhaust system of an internal combustion engine via an EGR passage and a flow rate of fresh air that flows into the internal combustion engine. In addition, an ECU is included to realize: an arrival position determining section for determining an arrival position of condensed water in the EGR passage that is moved by the EGR at least either at the time of acceleration or at the time of deceleration of the internal combustion engine; and a control section for controlling the flow rate change section on the basis of the arrival position determined by the arrival position determining section.
    Type: Grant
    Filed: April 12, 2012
    Date of Patent: November 8, 2016
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Akira Yamashita, Kazuhiro Mori, Koichiro Nakatani, Hisashi Ohki
  • Publication number: 20160077412
    Abstract: A telescoping device capable of preventing a lower tubular body from jouncing during fixation by a fixing unit includes a leg body being a telescoping device includes an upper tubular body, a lower tubular body, and a fixing unit that releasably fixes the lower tubular body with respect to the upper tubular body. The fixing unit includes an operation body and a fixation body. The fixation body consists of an outer member, an upper inner member, and a lower inner member. On the outer member, inner peripheral upward inclined surfaces and inner peripheral downward inclined surfaces are formed. On the upper inner member, outer peripheral downward inclined surfaces are formed, and on the lower inner member, outer peripheral upward inclined surfaces are formed.
    Type: Application
    Filed: March 20, 2014
    Publication date: March 17, 2016
    Applicant: VELBON KABUSHIKI KAISHA
    Inventor: Koichiro NAKATANI
  • Publication number: 20160061377
    Abstract: This invention relates to a support device with which it is possible to use a supported object stably. A support device is provided with a base body mounted to a leg device. An inclination portion of the base body is mounted with a base end portion of a first turning body and a base end portion of a second turning body so as to be turnable. A tip portion of the first turning body and a tip portion of the second turning body are mounted with a support body so as to be turnable. Both the turning bodies turn upward with respect to the base body so that the support body turns 90 degrees to be in a lengthways state. Both the turning bodies turn downward with respect to the base body so that the support body turns 90 degrees to be in a sideways state.
    Type: Application
    Filed: December 25, 2014
    Publication date: March 3, 2016
    Applicant: VELBON KABUSHIKI KAISHA
    Inventor: Koichiro NAKATANI
  • Patent number: 9243533
    Abstract: An engine system includes: an exhaust path through which an exhaust gas of an engine passes; an urea injection valve that injects urea into the exhaust path; a catalyst that is provided in the exhaust path on a downstream of the urea injection valve, and that selectively reduces NOx by using ammonia acting as a reducing agent, the ammonia being generated by hydrolyzing injected urea from the urea injection valve; a heating portion that is capable of heating the catalyst and the injected urea; and a control unit that performs first control, in which the urea injection valve injects urea, the heating portion heats the injected urea to generate ammonia, or second control, in which the heating portion increases a temperature of the catalyst to a temperature at which NOx can be reduced, on a basis of an amount of ammonia adsorbed on the catalyst.
    Type: Grant
    Filed: June 7, 2012
    Date of Patent: January 26, 2016
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Akira Yamashita, Koichiro Nakatani
  • Patent number: 9163551
    Abstract: The character or nature of cooling water is correctly estimated. A cooling system for an internal combustion engine includes a radiator, a bypass passage which bypasses the radiator, a thermostat, and a control unit which changes a valve opening temperature of the thermostat. The cooling system for the internal combustion engine further includes an estimating unit which forbids valve opening of the thermostat and which estimates the character of the cooling water on the basis of temperature transition of the cooling water provided in this state.
    Type: Grant
    Filed: February 7, 2011
    Date of Patent: October 20, 2015
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koichiro Nakatani, Akira Yamashita, Takenori Saoda
  • Publication number: 20150184567
    Abstract: An engine system includes: an exhaust path through which an exhaust gas of an engine passes; an urea injection valve that injects urea into the exhaust path; a catalyst that is provided in the exhaust path on a downstream of the urea injection valve, and that selectively reduces NOx by using ammonia acting as a reducing agent, the ammonia being generated by hydrolyzing injected urea from the urea injection valve; a heating portion that is capable of heating the catalyst and the injected urea; and a control unit that performs first control, in which the urea injection valve injects urea, the heating portion heats the injected urea to generate ammonia, or second control, in which the heating portion increases a temperature of the catalyst to a temperature at which NOx can be reduced, on a basis of an amount of ammonia adsorbed on the catalyst.
    Type: Application
    Filed: June 7, 2012
    Publication date: July 2, 2015
    Inventors: Akira Yamashita, Koichiro Nakatani
  • Patent number: 9004419
    Abstract: A support device for a tripod includes a base body. On the base body, a pan turning body is provided turnably in the horizontal direction. On the pan turning body, a tilt turning body is provided turnably in the up-down direction. The support device also includes a pan fixing operation body fixing the pan turning body with respect to the base body, and a tilt fixing operation body fixing the tilt turning body with respect to the pan turning body. The support device further includes a tilt turning operation body turning the tilt turning body with respect to the pan turning body.
    Type: Grant
    Filed: March 5, 2012
    Date of Patent: April 14, 2015
    Assignee: Velbon Kabushiki Kaisha
    Inventor: Koichiro Nakatani
  • Publication number: 20150027421
    Abstract: A flow rate controller of an internal combustion engine includes a flow rate change section configured by including an EGR valve, a bypass valve, and a diesel throttle, as the flow rate change section capable of changing at least one of a flow rate of exhaust gas that is recirculated to an intake system from an exhaust system of an internal combustion engine via an EGR passage and a flow rate of fresh air that flows into the internal combustion engine. In addition, an ECU is included to realize: an arrival position determining section for determining an arrival position of condensed water in the EGR passage that is moved by the EGR at least either at the time of acceleration or at the time of deceleration of the internal combustion engine; and a control section for controlling the flow rate change section on the basis of the arrival position determined by the arrival position determining section.
    Type: Application
    Filed: April 12, 2012
    Publication date: January 29, 2015
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Akira Yamashita, Kazuhiro Mori, Koichiro Nakatani, Hisashi Ohki
  • Patent number: 8915476
    Abstract: A leg device that is capable of simultaneously releasing three extendible/contractible legs from a locked state with a single action is provided. A tripod, which is a leg device, has a base. A tripod head is attached to a tripod head attaching portion of the base. A middle extendible/contractible leg, a one-side extendible/contractible leg, and an opposite-side extendible/contractible kg are pivotally attached to a leg attaching portion of the base. Gripping all the three extendible/contractible legs, i.e. the middle extendible/contractible leg, the one-side extendible/contractible leg, and the opposite-side extendible/contractible kg, together causes the middle extendible/contractible leg, the one-side extendible/contractible leg, and the opposite-side extendible/contractible leg to simultaneously shift from a locked state to an unlocked state.
    Type: Grant
    Filed: June 1, 2009
    Date of Patent: December 23, 2014
    Assignee: Velbon Kabushiki Kaisha
    Inventor: Koichiro Nakatani
  • Publication number: 20140130753
    Abstract: The present invention is intended to provide a technique which makes effective use of a phase transition temperature zone of cooling water by controlling a control valve for changing the temperature of the cooling water in an appropriate manner. The present invention resides in a cooling water temperature control apparatus for an internal combustion engine in which cooling water is caused to circulate, said cooling water having variable specific heat, said apparatus comprising: a received heat amount calculation unit configured to calculate an amount of received heat which is received by said cooling water, a control valve that is controlled to open and close according to a command so as to change a circulation route or an amount of circulation of said cooling water and to change the temperature of said cooling water, and a control unit configured to control said control valve based on the amount of received heat which is calculated by said received heat amount calculation unit.
    Type: Application
    Filed: April 28, 2011
    Publication date: May 15, 2014
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takashi Koyama, Koichiro Nakatani, Akira Yamashita
  • Patent number: 8666640
    Abstract: A control apparatus for an internal combustion engine includes phase change means (60) for advancing or retarding phases of an opening timing and a closing timing of an intake valve (62); duration change means (60) for increasing or decreasing a duration of the intake valve (62); and EGR gas amount increase means (50) for increasing an amount of EGR gas, based on an operating state of an internal combustion engine. The control apparatus further includes intake-valve closing timing advancing means (50) for advancing the intake-valve closing timing when the amount of EGR gas is increased. The intake-valve closing timing advancing means (50) advances the intake-valve closing timing by performing a first operation that advances the phases using the phase change means (60), and performing a second operation that decreases the duration using the duration change means (60), and makes a timing at which the second operation is started later than a timing at which the first operation is started.
    Type: Grant
    Filed: August 6, 2008
    Date of Patent: March 4, 2014
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Koichiro Nakatani, Terutoshi Tomoda, Shinobu Ishiyama, Michio Furuhashi, Tomoyuki Ono, Tomoyuki Kogo, Yoshihiro Hisataka
  • Publication number: 20130313384
    Abstract: A support device for a tripod includes a base body. On the base body, a pan turning body is provided turnably in the horizontal direction. On the pan turning body, a tilt turning body is provided turnably in the up-down direction. The support device also includes a pan fixing operation body fixing the pan turning body with respect to the base body, and a tilt fixing operation body fixing the tilt turning body with respect to the pan turning body. The support device further includes a tilt turning operation body turning the tilt turning body with respect to the pan turning body.
    Type: Application
    Filed: March 5, 2012
    Publication date: November 28, 2013
    Applicant: VELBON KABUSHIKI KAISHA
    Inventor: Koichiro Nakatani
  • Publication number: 20130298850
    Abstract: The character or nature of cooling water is correctly estimated. A cooling system for an internal combustion engine includes a radiator, a bypass passage which bypasses the radiator, a thermostat, and a control unit which changes a valve opening temperature of the thermostat. The cooling system for the internal combustion engine further includes an estimating unit which forbids valve opening of the thermostat and which estimates the character of the cooling water on the basis of temperature transition of the cooling water provided in this state.
    Type: Application
    Filed: February 7, 2011
    Publication date: November 14, 2013
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koichiro Nakatani, Akira YAMASHITA, Takenori Saoda
  • Publication number: 20130220242
    Abstract: An opening and closing condition of a thermostat is optimized. In a cooling system for an internal combustion engine in which a cooling water, in which its specific heat becomes larger at a predetermined temperature than at other temperatures, is caused to circulates through a cooling water passage, there are provided a radiator, a bypass passage that bypasses the radiator, and a thermostat that interrupts the circulation of the cooling water to the radiator and circulates the cooling water to the bypass passage when it closes, and circulates the cooling water to at least the radiator when it opens, wherein the thermostat is set to open at the time when the temperature of the cooling water is higher than a predetermined temperature.
    Type: Application
    Filed: November 1, 2010
    Publication date: August 29, 2013
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koichiro Nakatani, Akira Yamashita, Takenori Saoda
  • Patent number: 8418446
    Abstract: Disclosed is a technology that enables better reduction of NOx stored in an NOx catalyst in an exhaust gas purification system for an internal combustion engine. When NOx stored in an NOx catalyst is to be reduced, the air-fuel ratio of the ambient atmosphere around the NOx catalyst is decreased to a target air-fuel ratio by decreasing the air-fuel ratio of the exhaust gas discharged from the internal combustion engine. In doing so, if the temperature of the NOx catalyst is not lower than a specific temperature, the air-fuel ratio of the ambient atmosphere around the NOx catalyst is decreased to the target air-fuel ratio while bringing the combustion state into low temperature combustion.
    Type: Grant
    Filed: November 11, 2008
    Date of Patent: April 16, 2013
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Koichiro Nakatani, Terutoshi Tomoda, Shinobu Ishiyama, Tomoyuki Ono, Tomoyuki Kogo, Katsuhiro Ito
  • Patent number: 8336296
    Abstract: An object of the present invention is to provide a technology that enables reduction of NOx stored in an NOx catalyst with improved efficiency in an exhaust gas purification system for an internal combustion engine. According to the present invention, when NOx stored in the NOx catalyst is to be reduced, if the temperature of the NOx catalyst is lower than a specific temperature, the air-fuel ratio of the ambient atmosphere around the NOx catalyst is decreased only by decreasing the air-fuel ratio of the exhaust gas discharged from the internal combustion engine, and if the temperature of the NOx catalyst is not lower than the specific temperature, the air-fuel ratio of the ambient atmosphere around the NOx catalyst is decreased either only by adding reducing agent through reducing agent addition means, or by decreasing the air-fuel ratio of the exhaust gas discharged from the internal combustion engine and adding reducing agent through the reducing agent addition means.
    Type: Grant
    Filed: November 11, 2008
    Date of Patent: December 25, 2012
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Koichiro Nakatani, Terutoshi Tomoda, Shinobu Ishiyama, Tomoyuki Ono, Tomoyuki Kogo, Katsuhiro Ito, Masayoshi Nakagawa, Yoshihiro Hisataka
  • Patent number: 8315777
    Abstract: A control apparatus for an internal combustion engine (10) includes intake valve control means (50). The internal combustion engine (10) includes a variable intake valve operating mechanism (66) that changes a valve opening characteristic of an intake valve (64), and rich combustion is performed in the internal combustion engine (10) to control an exhaust gas purification catalyst (24) disposed in an exhaust passage (18). The intake valve control means (50) controls the valve opening characteristic of the intake valve (64) to increase a flow rate of intake air in an early stage of an intake stroke when the rich combustion is performed, as compared to when non-rich combustion is performed.
    Type: Grant
    Filed: August 6, 2008
    Date of Patent: November 20, 2012
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Koichiro Nakatani, Terutoshi Tomoda, Shinobu Ishiyama, Tomoyuki Ono, Tomoyuki Kogo, Yoshihiro Hisataka