Patents by Inventor Hiroto Takahashi

Hiroto Takahashi 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: 20200095081
    Abstract: Provided is an image forming apparatus including: a manual feed tray for placing a sheet to be subjected to image formation; a pickup roller configured to abut against the placed sheet to feed the sheet; a controller; and a human detection sensor. The controller maintains an abutment state in which the pickup roller is held in abutment against the sheet until a time period during which the abutment state is maintained reaches an abutment timeout. When a time period during which no human is detected by the human detection sensor in the vicinity of the image forming apparatus reaches a human detection timeout even before the time period during which the abutment state is maintained reaches the abutment timeout, the controller brings the pickup roller into a non-abutment state against the sheet.
    Type: Application
    Filed: September 19, 2019
    Publication date: March 26, 2020
    Inventors: Teruhito Kai, Hiroto Nishihara, Hiromi Shimura, Keita Takahashi
  • Publication number: 20200070152
    Abstract: There is provided a microchip. The microchip comprises a substrate including a flow channel configured to convey a fluid therein. The substrate comprises a first substrate layer, a second substrate layer laminated to the first substrate layer to create the flow channel, and a discharge part formed in only one of the first substrate layer or the second substrate layer. The discharge part includes an opening directed toward an end face of the substrate, and being configured to eject the fluid flowing through the flow channel.
    Type: Application
    Filed: February 27, 2018
    Publication date: March 5, 2020
    Applicant: Sony Corporation
    Inventors: Hiroto Kasai, Shoji Akiyama, Kazuya Takahashi
  • Publication number: 20200014811
    Abstract: An image forming apparatus includes a first detector that detects an operation from which input of a start instruction for forming an image is predicted, a second detector that detects a human body, and a controller that controls starting a preparation operation even without input of the start instruction in a case where the operation is detected. The controller controls ending the preparation operation where the start instruction is not input even after a first predetermined time has passed since the start of the preparation operation and the second detector does not detect the human body, and controls continuing the preparation operation in a case where the start instruction is not input even after the first predetermined time has passed since the start of the preparation operation and the second detector detects the human body.
    Type: Application
    Filed: July 1, 2019
    Publication date: January 9, 2020
    Inventors: Teruhito Kai, Hiroto Nishihara, Hiromi Shimura, Keita Takahashi
  • Patent number: 10395149
    Abstract: An image forming apparatus includes an image forming unit, an adjustment unit configured to select a type of adjustment processing and execute the selected type of adjustment processing for the image forming unit, and a determination unit to determine an adjustment time based on the selected type of adjustment processing. The determination unit determines, in a case where the adjustment unit causes the image forming unit to stop the image forming operation for executing the selected type of adjustment processing in a downtime, a first adjustment time, and wherein the determination unit determines, in a case where the image forming unit has finished the image forming operation, a second adjustment time longer than the first adjustment time.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: August 27, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hiromi Shimura, Hiroto Nishihara, Keita Takahashi, Hiroshi Matsumoto, Shinnosuke Iwadate, Ryou Sakaguchi, Teruhito Kai
  • Publication number: 20190235419
    Abstract: In a case where a controller executes formation of a first image which is a monochrome image, a second image which is a monochrome image, a third image which is a color image, and a fourth image which is a color image in order, the controller forms the first image by a fourth image formation unit in a separated state, controls a mechanism to switch to a contact state after the formation of the first image completes and transfer to a sheet by an intermediate transfer member completes, and prior to starting formation of the second image. The controller forms the second image by the fourth image formation unit and forms the third image by the first image formation unit.
    Type: Application
    Filed: January 23, 2019
    Publication date: August 1, 2019
    Inventors: Hiromi Shimura, Hiroto Nishihara, Teruhito Kai, Keita Takahashi
  • Patent number: 10342061
    Abstract: A radio communication system is disclosed that includes at least one user equipment and multiple base stations including a first base station configured to execute radio resource control of the user equipment through a control path and a second base station configured not to execute radio resource control of the user equipment. The system includes multiple gateways, including a first gateway connected with the first base station and a second gateway connected with the second base station, and a switching station that controls the establishment of user paths among nodes.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: July 2, 2019
    Assignee: NTT DOCOMO, INC.
    Inventors: Jinho Kim, Hiroto Yasuda, Yasufumi Morioka, Hideaki Takahashi, Junichiro Hagiwara, Hiroyuki Ishii
  • Publication number: 20190192510
    Abstract: A compound represented by the following formula (I) or the formula (II) disclosed in the specification is a GPR119 agonist, and is used as an agent for treating diabetes: wherein one of T1, T2, T3, and T4 is N, and each of the other three independently is CR4 or, in the alternative, each of the four independently is CR4; each of R2 and R3 is hydrogen or a C1-8 alkyl group; the double line consisting of a solid line and a broken line means a single or double bond; A is (CH2)m, a bond, or the like; B is (C(R5)H)n, a bond, or the like; one of U and V is N, and the other is CR7; W is C or CR8; each of X and Y is a C1-3 alkylene group, which optionally has a halogen atom, hydroxyl etc.; Z is C(O)OR9, C(O)R10, or the like.
    Type: Application
    Filed: February 1, 2011
    Publication date: June 27, 2019
    Applicant: NIPPON CHEMIPHAR CO., LTD.
    Inventors: Tsuyoshi ENDO, Rie TAKAHASHI, Hiroto TANAKA, Toshihiro KUNIGAMI
  • Patent number: 10308458
    Abstract: Disclosed is an image forming apparatus which includes: a feeding portion configured to feed a sheet; an image forming portion configured to form an image on the sheet; a conveying portion configured to stop the sheet fed by the feeding portion at a predetermined position and to convey the sheet to the image forming portion in accordance with a timing of forming the image by the image forming portion; a type discriminating portion configured to discriminate whether a type of the sheet to be fed belongs to a first sheet type group including plain paper or to a second sheet type group including coated paper; and a controlling portion configured to control feeding of the sheet, wherein the controlling portion is configured to change a sheet feeding start timing of the feeding portion in accordance with the type discriminated by the type discriminating portion.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: June 4, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Keita Takahashi, Shinnosuke Iwadate, Teruhito Kai, Hiroto Nishihara, Hiromi Shimura
  • Patent number: 6923522
    Abstract: Each of pixels of recorded image is formed by a plurality of dots composed with ink droplets ejected from a plurality of different orifices at individual different main-scannings. With this recording process, the variation of ink ejection characteristics between a plurality of orifices in a recording head can be reduced in forming pixels.
    Type: Grant
    Filed: September 16, 2002
    Date of Patent: August 2, 2005
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hideki Tanaka, Yasuyuki Tamura, Hiroto Takahashi, Shinji Takagi, Makoto Shioya, Masayoshi Tachihara, Tatsuo Kimura, Jun Ashiwa
  • Publication number: 20030090537
    Abstract: Each of pixels of recorded image is formed by a plurality of dots composed with ink droplets ejected from a plurality of different orifices at individual different main-scannings. With this recording process, the variation of ink ejection characteristics between a plurality of orifices in a recording head can be reduced in forming pixels.
    Type: Application
    Filed: September 16, 2002
    Publication date: May 15, 2003
    Applicant: Canon Kabushiki Kaisha
    Inventors: Hideki Tanaka, Yasuyuki Tamura, Hiroto Takahashi, Shinji Takagi, Makoto Shioya, Masayoshi Tachihara, Tatsuo Kimura, Jun Ashiwa
  • Patent number: 6513906
    Abstract: Each of pixels of recorded image is formed by a plurality of dots composed with ink droplets ejected from a plurality of different orifices at individual different main-scannings. With this recording process, the variation of ink ejection characteristics between a plurality of orifices in a recording head can be reduced in forming pixels.
    Type: Grant
    Filed: June 3, 1992
    Date of Patent: February 4, 2003
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hideki Tanaka, Yasuyuki Tamura, Hiroto Takahashi, Shinji Takagi, Makoto Shioya, Masayoshi Tachihara, Tatsuo Kimura, Jun Ashiwa
  • Patent number: 6260939
    Abstract: A liquid jet recording method of recording on a recording material with liquid droplets discharged trough plural scanning nozzles, in which: n/(s/p)≧2 n/(s/p)×k=g−1 are satisfied, where n (n≧2) is a number of the nozzles arranged at pitch P (&mgr;m); s (&mgr;m) is a distance of relative movement between the nozzles and the recording material between adjacent scans; k (k≧1) is a maximum number of ink droplets per pixel and per scan; g (g≧3) is a number of tone levels.
    Type: Grant
    Filed: December 1, 1998
    Date of Patent: July 17, 2001
    Assignee: Canon Kabushiki Kaisha
    Inventors: Makoto Shioya, Yasuyuki Tamura, Hiroto Takahashi, Masayoshi Tachihara, Tadashi Yamamoto, Genji Inada, Tatsuo Kimura, Jun Ashiwa
  • Patent number: 6139130
    Abstract: A substrate for a recording head includes a heat generating resistor for generating thermal energy to eject liquid, and a pair of opposed electrodes which are electrically connected to the heat generating resistor to supply electric signal to that heat generating resistor. A portion of the heat generating resistor interposed between the electrodes constitutes a heat generating portion, and the electrodes have respective ends adjacent to the heat generating resistor, each of which ends has a smooth convex shape. The width of a pattern constituting the heat generating resistor is greater than a width of a pattern constituting the electrodes.
    Type: Grant
    Filed: May 28, 1996
    Date of Patent: October 31, 2000
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroto Takahashi, deceased, Yasuyuki Tamura, Mineo Kaneko
  • Patent number: 6022100
    Abstract: A recording head includes a liquid ejecting outlet, a liquid passage communicating with the ejection outlet, and a heat generating resistor for supplying heat to the liquid in a heat acting portion in the liquid to create a bubble in the liquid passage to eject the liquid through the ejection outlet. A cross-sectional area of the liquid passage increases from the heat acting zone toward the ejection outlet, and this improves performance while also improving head durability.
    Type: Grant
    Filed: November 16, 1995
    Date of Patent: February 8, 2000
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masanori Takenouchi, Shinichi Hirasawa, Kunihiko Maeoka, Hiroto Takahashi, Toshiharu Inui, Kazuhiro Nakajima, Hidemi Kubota
  • Patent number: 5992983
    Abstract: A liquid jet recording head for discharging liquid droplets onto a recording medium includes a support, heat-generating resistance layer provided on the support for generating heat energy to discharge the liquid droplets, a pair of electrodes electrically connected to the heat-generating resistance layer, and heat-generating sections each serving as a portion for generating the heat energy, each head generating section comprising the heat-generating resistance layer sandwiched by the pair of electrodes. Plural discharge openings serve to discharge liquid droplets, a liquid chamber houses liquid, and there are plural liquid paths, each liquid path having an associated heat generating section, and communicating with an associated discharge opening and with the liquid chamber to supply liquid to the associated discharge opening from the liquid chamber.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: November 30, 1999
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroto Takahashi, Masami Ikeda, Hiroto Matsuda, Makoto Shibata
  • Patent number: 5988798
    Abstract: A fluid ejection head comprises a heater disposed in a fluid path. A bubble is generated by supplying electric power to the heater, and ink is ejected in a direction substantially parallel to a face of the heater. The fluid path is shaped to have a first part with a constant-sectional area adjacent to an ejection orifice a second part located behind the first part and containing the heater. The cross-sectional area of the second part increases by twice as large as the cross-sectional area of the ejection orifice, a length (A) between an end of the first part of the fluid path and a top end of the heater is greater than or equal to half of the height Ph of the ejection orifice, and a shortest gap between the ejection orifice and the heater is less than or equal to a sum of a half of the height Ph of the ejection orifice and a length (L) of the first part of the fluid path.
    Type: Grant
    Filed: December 20, 1995
    Date of Patent: November 23, 1999
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shin'ichi Hirasawa, Yasuyuki Tamura, Hiroto Takahashi, Makoto Shioya, Masayoshi Tachihara, Hiroyuki Maeda, Genji Inada
  • Patent number: 5858197
    Abstract: An ink jet recording head comprises a discharging opening for liquid discharge and an electricity-heat convertor. The electricity-heat convertor comprises a heat-generating resistor and electrodes attached to the resistor. The heat-generating resistor and electrodes are formed from a single layer of electroconductive material which is anodically oxidized to change it into an insulating material except in the region where the resistor and electrodes are located. The resistor is formed by anodically oxidizing a portion of the layer which remained electroconductive after the first anodic oxidation to obtain a desired resistance value.
    Type: Grant
    Filed: April 27, 1995
    Date of Patent: January 12, 1999
    Assignee: Canon Kabushiki Kaisha
    Inventor: Hiroto Takahashi
  • Patent number: 5777640
    Abstract: A liquid jet recording method for recording on a recording material with liquid droplets discharged through plural scanning nozzles arranged in a width measured in a direction of main scan. The recording method includes a first main scan by relative movement between the nozzles and the recording material, in which pixels are recorded with numbers of droplets through a nozzle, the numbers of droplets corresponding to respective tone signals. The method also includes a sub-scan by relative movement between the nozzles and the recording material in a direction crossing with a movement direction of the first main scan. The method further includes a second main scan in which the pixels are recorded with numbers of droplets through a different nozzle, the latter numbers of droplets corresponding to tone level signals. The sub-scan and second main scan steps are repeated to record a tone image by discharging plural droplets for a pixel.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: July 7, 1998
    Assignee: Canon Kabushiki Kaisha
    Inventors: Makoto Shioya, Yasuyuki Tamura, Hiroto Takahashi, Masayoshi Tachihara, Tadashi Yamamoto, Genji Inada, Tatsuo Kimura, Jun Ashiwa
  • Patent number: 5489928
    Abstract: A method and apparatus for coating a liquid-repellant agent on a discharge port surface of an ink jet recording head having a plurality of discharge ports, where a porous member having the liquid repellant agent is contacted to the discharge port surface and the porous member is separated from the discharge port surface without rubbing the discharge port surface.
    Type: Grant
    Filed: October 25, 1993
    Date of Patent: February 6, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroto Takahashi, Seiichiro Karita, Koichi Sato
  • Patent number: D778716
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: February 14, 2017
    Assignee: JVC KENWOOD CORPORATION
    Inventor: Hiroto Takahashi