Patents by Inventor Hiroto Higuchi

Hiroto Higuchi 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: 10218288
    Abstract: A power conversion circuit board (1) is a board on which a power conversion circuit which converts direct current to alternating current is mounted. A low voltage circuit (10b) to which a low voltage is applied and a high voltage circuit (10a) to which a high voltage is applied are separately disposed in different areas on the same board surface. Further, the high voltage circuit (10a) includes a bus bar in which a part of a wiring is formed on the board surface and another wiring is provided with a predetermined distance from the board surface.
    Type: Grant
    Filed: February 15, 2016
    Date of Patent: February 26, 2019
    Assignee: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
    Inventors: Makoto Hattori, Hiroyuki Kamitani, Hiroto Higuchi
  • Publication number: 20190047371
    Abstract: A circuit assembly (20) provided with: a circuit board (21); a capacitor (30) connected to the circuit board (21); and a circuit casing (20C) configured to house the circuit board (21) and the capacitor (30). The capacitor (30) is provided with: a component body (31) including a pair of connection terminals (32A and 33A) to be fixed to the circuit board (21); and a first fixing unit (41) and a second fixing unit (42) configured to fix the component body (31) to the circuit casing (20C) at both sides. The connection terminals (32A and 33A) are disposed with a fixed line (L1) connecting the first fixing unit (41) and the second fixing unit (42) interposed therebetween, and both of the pair of connection terminals (32A and 33A) protrudes sideward from the component body (31) between a first surface of the circuit board (21) and the circuit casing (20C), and extends toward the circuit board (21).
    Type: Application
    Filed: December 12, 2016
    Publication date: February 14, 2019
    Applicant: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
    Inventors: Shunsuke YAKUSHIJI, Takayuki TAKASHIGE, Hiroto HIGUCHI
  • Publication number: 20190053384
    Abstract: A substrate includes a substrate body, a flux coating portion which is coated with flux promoting solder fluidity on a surface of the substrate body, a conduction portion which is disposed on the surface of the substrate body to be separated from the flux coating portion and is conductive, and a silk portion which is disposed between the flux coating portion and the conduction portion on the surface of the substrate body and is provided by silk printing.
    Type: Application
    Filed: September 5, 2016
    Publication date: February 14, 2019
    Applicant: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
    Inventors: Makoto HATTORI, Hiroyuki KAMITANI, Hiroto HIGUCHI, Takayuki TAKASHIGE
  • Publication number: 20190052070
    Abstract: An electric wire lead-in part structure (15) includes: a conductor insertion hole (16) formed through a wall part (2Ca) of an inverter accommodating chamber; a conductor member (17) made of an electrically conductive material and inserted into the conductor insertion hole (16) in a waterproof manner and also, electrically conducted to the conductor insertion hole (16) and holding a power supply cable (11) passed therethrough; a shield grounding part (50) for electrically conducting a shield part (45) of the power supply cable (11) to the conductor member (17) at a position where the conductor member (17) is provided; and an electric wire waterproofing part (40) for waterproofing a gap between the conductor member (17) and the power supply cable (11).
    Type: Application
    Filed: June 19, 2017
    Publication date: February 14, 2019
    Applicant: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
    Inventors: Makoto HATTORI, Hiroyuki KAMITANI, Hiroto HIGUCHI, Takayuki TAKASHIGE, Takeo HAYASHI
  • Publication number: 20180358177
    Abstract: A capacitor unit is integrally provided with: a capacitor main body; a pair of bus bars that are connected to a pair of corresponding electrodes of the capacitor main body; and a casing that internally contains the capacitor main body and the bus bars and is made of resin. The bus bars are each provided with an input terminal on a first end side to which a connection terminal of a high-voltage cable for DC power is connected, while being each provided with an output terminal on a second end side to which an inverter substrate is connected.
    Type: Application
    Filed: December 1, 2016
    Publication date: December 13, 2018
    Applicant: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
    Inventors: Makoto HATTORI, Hiroyuki KAMITANI, Hiroto HIGUCHI, Takayuki TAKASHIGE
  • Publication number: 20180138810
    Abstract: A power conversion circuit board (1) is a circuit board on which a power conversion circuit configured to convert a direct current into an alternating current is mounted. A low-voltage circuit (10b) to which a low voltage is applied and a high-voltage circuit (10a) to which a high voltage is applied are separately disposed in different areas on the same circuit board surface. Furthermore, part of wiring of the high-voltage circuit (10a) is formed on the circuit board surface, and the other wiring is constituted by a bus bar provided at a predetermined distance from the circuit board surface.
    Type: Application
    Filed: February 15, 2016
    Publication date: May 17, 2018
    Applicant: MITSUBISHI HEAVY INDUSTRIES AUTOMOTIVE THERMAL SYSTEMS CO., LTD.
    Inventors: Makoto HATTORI, Hiroyuki KAMITANI, Hiroto HIGUCHI
  • Publication number: 20180076733
    Abstract: A power conversion circuit board is a board on which a power conversion circuit which converts direct current to alternating current is mounted. A low voltage circuit to which a low voltage is applied and a high voltage circuit to which a high voltage is applied are separately disposed in different areas on the same board surface. Further, in the high voltage circuit, a part of a wiring is formed on the board surface, and another wiring includes a bus bar which is provided with a predetermined distance from the board surface.
    Type: Application
    Filed: February 15, 2016
    Publication date: March 15, 2018
    Applicant: MITSUBISHI HEAVY INDUSTRIES AUTOMOTIVE THERMAL SYSTEMS CO., LTD.
    Inventors: Makoto HATTORI, Hiroyuki KAMITANI, Hiroto HIGUCHI
  • Publication number: 20180069487
    Abstract: A power conversion circuit board (1) is a board on which a power conversion circuit which converts direct current to alternating current is mounted. A low voltage circuit (10b) to which a low voltage is applied and a high voltage circuit (10a) to which a high voltage is applied are separately disposed in different areas on the same board surface. Further, the high voltage circuit (10a) includes a bus bar in which a part of a wiring is formed on the board surface and another wiring is provided with a predetermined distance from the board surface.
    Type: Application
    Filed: February 15, 2016
    Publication date: March 8, 2018
    Applicant: MITSUBISHI HEAVY INDUSTRIES AUTOMOTIVE THERMAL SYSTEMS CO., LTD.
    Inventors: Makoto HATTORI, Hiroyuki KAMITANI, Hiroto HIGUCHI
  • Publication number: 20170322286
    Abstract: A positioning system includes a plurality of beacon modules and a communication device. Further, the communication device includes a calculation unit calculating action state data that are used for determining an action state of a user who carries the communication device; a searching unit selectively searching for one of the beacon modules in accordance with the action state of the user, the action state being determined based on the action state data calculated by the calculation unit, and a derivation unit deriving positional information of the user based on a response signal transmitted from the one of the beacon modules having been searched for by the searching unit.
    Type: Application
    Filed: November 18, 2014
    Publication date: November 9, 2017
    Applicant: Ricoh Company, Ltd.
    Inventors: Fumio YOSHIZAWA, Takeo TSUKAMOTO, Keisuke KONISHI, Yusuke MATSUSHITA, Takanori INADOME, Kenji KAMEYAMA, Katsuya YAMAMOTO, Yukio FUJIWARA, Hideaki ARATANI, Ryohsuke KAMIMURA, Hiroto HIGUCHI, Daisuke HATA, Juuta KON, Tomoyo NARITA
  • Publication number: 20160290806
    Abstract: An information processing device includes: a posture change determining unit that determines, based on an output value of an inertial sensor, whether a posture state of a moving object has changed; a reference orientation generating unit that, when it is determined that the posture state of the moving object has changed from a first posture state into a second posture state, generates a reference orientation corresponding to an orientation of the moving object at that time calculated from the output value of the inertial sensor; and an orientation error calculating unit that, when it is determined that the posture state of the moving object has changed from the second posture state into the first posture state, calculates an error of an orientation of the moving object according to the reference orientation, and an orientation at that time calculated from the output value of the inertial sensor.
    Type: Application
    Filed: October 20, 2014
    Publication date: October 6, 2016
    Inventors: Keisuke KONISHI, Takeo TSUKAMOTO, Fumio YOSHIZAWA, Yusuke MATSUSHITA, Takanori INADOME, Kenji KAMEYAMA, Katsuya YAMAMOTO, Yukio FUJIWARA, Hideaki ARATANI, Ryohsuke KAMIMURA, Hiroto HIGUCHI, Daisuke HATA, Juuta KON, Tomoyo NARITA
  • Publication number: 20160273920
    Abstract: A direction estimating device estimates a user direction indicating a direction of a body of a user. The direction estimating device includes: a storage unit that stores direction information indicating a direction determined in advance as the user direction of when the user operates an input device with a particular attitude; a detecting unit that detects that the user is in the particular attitude; and an estimating unit that estimates the user direction based on the direction information when the user has been detected to be in the particular attitude.
    Type: Application
    Filed: October 27, 2014
    Publication date: September 22, 2016
    Inventors: Yusuke MATSUSHITA, Takeo TSUKAMOTO, Daisuke HATA, Hiroto HIGUCHI, Yukio FUJIWARA, Fumio YOSHIZAWA, Takanori INADOME, Ryohsuke KAMIMURA, Hideaki ARATANI, Kenji KAMEYAMA, Katsuya YAMAMOTO, Keisuke KONISHI, Juuta KON, Tomoyo NARITA
  • Patent number: 9207268
    Abstract: A type determination apparatus includes an acquisition unit configured to chronologically acquire power consumption consumed by an electrical device; and a determination unit configured to determine that a type of the electrical device is a type to be determined in accordance with a reference pattern representing a predetermined pattern of a power fluctuation when a fluctuation pattern of the power consumption acquired for a duration equal to or more than a reference period of time is matched with the reference pattern.
    Type: Grant
    Filed: August 23, 2013
    Date of Patent: December 8, 2015
    Assignee: RICOH COMPANY, LIMITED
    Inventors: Yukio Fujiwara, Takeo Tsukamoto, Hidenori Tomono, Kenji Kameyama, Takanori Inadome, Hideaki Aratani, Yukiko Oshima, Hiroto Higuchi
  • Publication number: 20140114493
    Abstract: An environment control system comprising: a positioning system; and an electric facility control system, the positioning system comprising: at least one sensor configured to detect the location and the motion of the human being; and an operation unit configured to compute at least a value of a motion activity of the human being, the electric facility control system comprising: a determining unit configured to determine whether the human being is in a moving state or a resting state by comparing the value of the motion activity with a predetermined threshold value; and a controller configured to control the electric facility to change the environment of the given space, wherein the operation unit computes the value of the motion activity based on the operation result.
    Type: Application
    Filed: September 30, 2013
    Publication date: April 24, 2014
    Inventors: Takeo TSUKAMOTO, Takanori Inadome, Hidenori Tomono, Yukio Fujiwara, Kenji Kameyama, Hideaki Aratani, Hiroto Higuchi, Yukiko Oshima
  • Publication number: 20140070790
    Abstract: A type determination apparatus includes an acquisition unit configured to chronologically acquire power consumption consumed by an electrical device; and a determination unit configured to determine that a type of the electrical device is a type to be determined in accordance with a reference pattern representing a predetermined pattern of a power fluctuation when a fluctuation pattern of the power consumption acquired for a duration equal to or more than a reference period of time is matched with the reference pattern.
    Type: Application
    Filed: August 23, 2013
    Publication date: March 13, 2014
    Inventors: Yukio FUJIWARA, Takeo TSUKAMOTO, Hidenori TOMONO, Kenji KAMEYAMA, Takanori INADOME, Hideaki ARATANI, Yukiko OSHIMA, Hiroto HIGUCHI
  • Patent number: 8268526
    Abstract: The present invention relates to toner compositions containing: toner particles made of: binder resin; colorant; and a wax which is dispersed in the toner particles, where the toner composition satisfies relationship (2): B?394?400A? when 0.950<A??0.965 (2) where A? represents an average circularity of the toner composition, B represents a content of toner particles having a particle diameter not greater than 3 ?m expressed in % by number, and a concentration of the wax at a surface of the toner particles is larger than a concentration thereof in the center of the toner particles.
    Type: Grant
    Filed: April 7, 2010
    Date of Patent: September 18, 2012
    Assignee: Ricoh Company, Ltd.
    Inventors: Hiroto Higuchi, Fumihiro Sasaki, Shinichiro Yagi, Shigeru Emoto, Junichi Awamura, Naohito Shimota, Masami Tomita, Toshiki Nanya, Takahiro Honda, Maiko Kondo
  • Patent number: 7858280
    Abstract: A toner formed of a toner composition containing a resin and a plasticizer, wherein the following relationships (1) and (2) are satisfied: Tg2r>Tg2t??(1), and Tg1t?Tg2t>Tg1r?Tg2r??(2), wherein Tg1r represents the peak of the resin for the first temperature rise and Tg2r represents the peak of the resin for the second temperature rise when a differential scanning calorimeter (DSC) measurement is performed for the resin, Tg1t represents the peak of the toner comprising the resin for the first temperature rise and Tg2t represents the peak of the toner comprising the resin for the second temperature rise when a differential scanning calorimeter (DSC) measurement is performed for the toner.
    Type: Grant
    Filed: January 26, 2006
    Date of Patent: December 28, 2010
    Assignee: Ricoh Company, Ltd.
    Inventors: Tsuyoshi Sugimoto, Hiroshi Yamashita, Hiroto Higuchi
  • Publication number: 20100233609
    Abstract: The present invention relates to toner compositions containing: toner particles made of: binder resin; colorant; and a wax which is dispersed in the toner particles, where the toner composition satisfies relationship (2): B?394?400A? when 0.950<A??0.965 (2) where A? represents an average circularity of the toner composition, B represents a content of toner particles having a particle diameter not greater than 3 ?m expressed in % by number, and a concentration of the wax at a surface of the toner particles is larger than a concentration thereof in the center of the toner particles.
    Type: Application
    Filed: April 7, 2010
    Publication date: September 16, 2010
    Inventors: Hiroto HIGUCHI, Fumihiro Sasaki, Shinichiro Yagi, Shigeru Emoto, Junichi Awamura, Naohito Shimota, Masami Tomita, Toshiki Nanya, Takahiro Honda, Maiko Kondo
  • Patent number: 7736826
    Abstract: A toner composition including toner particles including at least a binder resin; and a colorant, wherein the toner composition satisfies at least one of the following relationships (1) and (2): B?14 when 155<A?180; and B?0.6A?79 when 145?A?155,??(1) wherein A represents a shape factor SF-1 of the toner composition and B represents a content of toner particles having a particle diameter not greater than 3 ?m; and B?14 when 0.920?A??0.950; and B?394?400A? when 0.950<A??0.965??(2) wherein A? represents an average circularity of the toner composition and B represents a content of toner particles having a particle diameter not greater than 3 ?m.
    Type: Grant
    Filed: September 17, 2008
    Date of Patent: June 15, 2010
    Assignee: Ricoh Company, Ltd.
    Inventors: Hiroto Higuchi, Fumihiro Sasaki, Shinichiro Yagi, Shigeru Emoto, Junichi Awamura, Naohito Shimota, Masami Tomita, Toshiki Nanya, Takahiro Honda, Maiko Kondo
  • Patent number: 7702271
    Abstract: An image forming apparatus including an image bearing member; a charger; a light irradiator; a developing device; a transfer device; an image bearing member's cleaner; and a fixing device, wherein the fixing device includes a fixing member configured to fix a toner image upon application of heat and pressure thereto; a pressing member configured to press the recording material toward the fixing member; and a cleaning member configured to clean a surface of the fixing member and/or the pressing member, wherein the cleaning member has an outermost layer including a reactive material which increases viscoelasticity of a binder resin of the toner by reacting with the binder resin.
    Type: Grant
    Filed: September 4, 2008
    Date of Patent: April 20, 2010
    Assignee: Ricoh Company Limited
    Inventors: Hiroshi Yamada, Fumihiro Sasaki, Shigeru Emoto, Jun Okamoto, Shinji Ohtani, Hiroto Higuchi, Naohito Shimota, Shinichiro Yagi, Junichi Awamura, Tomomi Suzuki, Masami Tomita, Toshiki Nanya, Yoshiki Yamaguchi
  • Patent number: 7629099
    Abstract: A toner is provided manufactured by a method having the steps: dispersing toner constituents including a resin, in an aqueous medium containing a particulate resin, wherein the resin has a polyester skeleton formed by a ring-opening addition reaction of a cyclic ester with a first compound having an active hydrogen group; and a developer and an image forming method using the toner, and a toner container containing the toner.
    Type: Grant
    Filed: July 17, 2006
    Date of Patent: December 8, 2009
    Assignee: Ricoh Company Limited
    Inventors: Hiroshi Yamashita, Tsuyoshi Sugimoto, Hiroto Higuchi, Yohichiroh Watanabe, Yasuhiro Shindo