Patents by Inventor Hiroyuki Kawamura

Hiroyuki Kawamura 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: 10901504
    Abstract: A gaze detection apparatus of the present invention may include an infrared LED of emitting infrared light, an infrared camera of photographing eyes of a driver based on light which is reflected from the eyes of the driver by the infrared light emitted from the infrared LED, and a gaze detection unit of determining whether the driver gazes the infrared camera based on an image of the eyes photographed by the infrared camera, and at least one of the infrared LED and the infrared camera is installed on each of a plurality of vehicle-mounted devices, and operates to emit the infrared light to the driver from each vehicle-mounted device, photograph the driver within a corresponding light emission period, and detect whether the driver gazes based on photographed information, and the vehicle-mounted devices are under a congestion control so that the light emission periods of the infrared light emitted therefrom are not overlapped with each other.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: January 26, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventor: Hiroyuki Kawamura
  • Publication number: 20210008885
    Abstract: A liquid discharge head includes: a first flow path member that discharges a liquid; a second flow path member including a supply flow path for sending the liquid to the first flow path member, and a collecting flow path for collecting the liquid from the first flow path member. The supply flow path includes a supply branch flow path that branches out at a center portion of the second flow path member in the first direction and extends in a first direction and in a third direction opposite thereto. The collecting flow path includes a collecting branch flow path that branches out at the center portion of the second flow path member in the first direction and extends in the first direction and in the third direction. When viewed in plan, the supply branch flow path and the collecting branch flow path overlap each other.
    Type: Application
    Filed: March 15, 2019
    Publication date: January 14, 2021
    Applicant: KYOCERA Corporation
    Inventors: Yusaku KANEKO, Hiroyuki KAWAMURA, Shota KIGURE, Wataru IKEUCHI, Yifei JIAO
  • Patent number: 10788805
    Abstract: A numerical controller that creates a tool path from a plurality of command points includes: a command point sequence acquisition unit that acquires an existing command point sequence; a command point creating unit that creates at least one additional command point, based on the existing command point sequence; and an interpolation processing unit that interpolates the existing command point sequence and the additional command point to create the tool path. The command point creating unit outputs, as the additional command point, an intersection point Q1 between an arc C1 passing through consecutive three command points, P0, P1 and P2, in the existing command point sequence and a perpendicular bisector of a line segment whose end points are P1 and P2.
    Type: Grant
    Filed: October 2, 2018
    Date of Patent: September 29, 2020
    Assignee: Fanuc Corporation
    Inventors: Kouki Konishi, Hiroyuki Kawamura, Osamu Hanaoka
  • Patent number: 10751994
    Abstract: A first flow path member of a liquid ejection head includes a plurality of pressurizing chambers respectively connected to a plurality of ejection holes, a plurality of first individual flow paths and a plurality of second individual flow paths which are respectively connected to the plurality of pressurizing chambers, and a first common flow path connected in common to the plurality of first individual flow paths and the plurality of second individual flow paths. The pressurizing chamber, the first individual flow path, the first common flow path, and the second individual flow path configure an annular flow path. When T0 denotes a resonance period of the pressurizing chamber and T1 denotes a time required for a pressure wave to circulate once around the annular flow path, a decimal place value of T1/T0 is ? to ?.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: August 25, 2020
    Assignee: Kyocera Corporation
    Inventors: Takashi Miyahara, Wataru Ikeuchi, Hiroyuki Kawamura, Kenichi Yoshimura, Naoki Kobayashi
  • Publication number: 20200110463
    Abstract: A gaze detection apparatus of the present invention may include an infrared LED of emitting infrared light, an infrared camera of photographing eyes of a driver based on light which is reflected from the eyes of the driver by the infrared light emitted from the infrared LED, and a gaze detection unit of determining whether the driver gazes the infrared camera based on an image of the eyes photographed by the infrared camera, and at least one of the infrared LED and the infrared camera is installed on each of a plurality of vehicle-mounted devices, and operates to emit the infrared light to the driver from each vehicle-mounted device, photograph the driver within a corresponding light emission period, and detect whether the driver gazes based on photographed information, and the vehicle-mounted devices are under a congestion control so that the light emission periods of the infrared light emitted therefrom are not overlapped with each other.
    Type: Application
    Filed: September 25, 2019
    Publication date: April 9, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventor: Hiroyuki KAWAMURA
  • Publication number: 20200031124
    Abstract: A liquid discharge head 2 of the present disclosure includes: a flow path member 4 having a plurality of pressurizing chambers 10 connected to respective discharge holes 8, a first common flow path 20 commonly connected to the plurality of pressurizing chambers 10, and a second common flow path 22 commonly connected to the plurality of pressurizing chambers 10; and a plurality of pressurizing units 50 that pressurizes the respective pressurizing chambers 10, in which the first common flow path 20 extends in a first direction and is open to an outside of the flow path member 4 at both end portions, and the second common flow path 22 extends in the first direction and is open to the outside of the flow path member 4 at both end portions.
    Type: Application
    Filed: March 29, 2018
    Publication date: January 30, 2020
    Inventors: Hiroyuki KAWAMURA, Wataru IKEUCHI, Yifei JIAO, Yusaku KANEKO
  • Publication number: 20190299614
    Abstract: A first flow path member of a liquid ejection head includes a plurality of pressurizing chambers respectively connected to a plurality of ejection holes, a plurality of first individual flow paths and a plurality of second individual flow paths which are respectively connected to the plurality of pressurizing chambers, and a first common flow path connected in common to the plurality of first individual flow paths and the plurality of second individual flow paths. The pressurizing chamber, the first individual flow path, the first common flow path, and the second individual flow path configure an annular flow path. When T0 denotes a resonance period of the pressurizing chamber and T1 denotes a time required for a pressure wave to circulate once around the annular flow path, a decimal place value of T1/T0 is ? to ?.
    Type: Application
    Filed: September 22, 2017
    Publication date: October 3, 2019
    Applicant: KYOCERA Corporation
    Inventors: Takashi MIYAHARA, Wataru IKEUCHI, Hiroyuki KAWAMURA, Kenichi YOSHIMURA, Naoki KOBAYASHI
  • Patent number: 10384447
    Abstract: In a liquid ejection head, an ejection unit of a channel member includes an ejection hole, a pressurizing chamber connected to the ejection hole, a first channel and a second channel each connecting the pressurizing chamber and a first common channel, and a third channel connecting the pressurizing chamber and a second common channel. The first common channel, in the channel direction, includes a plurality of first portions, and a plurality of second portions each located between each two of the plurality of first portions and having smaller cross-sectional areas than those of the first portions in front and back of the same. In each of the plurality of ejection units, the first channel and the second channel are individually connected to two positions in the first common channel which sandwich at least one of the second portions between them.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: August 20, 2019
    Assignee: Kyocera Corporation
    Inventors: Naoki Kobayashi, Hiroyuki Kawamura, Wataru Ikeuchi
  • Publication number: 20190101888
    Abstract: A numerical controller that creates a tool path from a plurality of command points includes: a command point sequence acquisition unit that acquires an existing command point sequence; a command point creating unit that creates at least one additional command point, based on the existing command point sequence; and an interpolation processing unit that interpolates the existing command point sequence and the additional command point to create the tool path. The command point creating unit outputs, as the additional command point, an intersection point Q1 between an arc C1 passing through consecutive three command points, P0, P1 and P2, in the existing command point sequence and a perpendicular bisector of a line segment whose end points are P1 and P2.
    Type: Application
    Filed: October 2, 2018
    Publication date: April 4, 2019
    Applicant: FANUC CORPORATION
    Inventors: Kouki Konishi, Hiroyuki Kawamura, Osamu Hanaoka
  • Patent number: 10160215
    Abstract: A flow channel member comprises a plurality of discharge elements; a plurality of first discrete flow channels; a plurality of second discrete flow channels 14; a first common flow channel extending from one side to another side in a first direction and connected commonly to the plurality of first discrete flow channels; a first opening that connects the first common flow channel and an outside; a second common flow channel extending from the one side D1a to the other side in the first direction and connected commonly to the plurality of second discrete flow channels; and a second opening that connects the second common flow channel and the outside. The first opening is located on the one side of the first common flow channel in the first direction, and the second opening is located on the one side of the second common flow channel in the first direction.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: December 25, 2018
    Assignee: Kyocera Corporation
    Inventors: Naoki Kobayashi, Hiroyuki Kawamura
  • Patent number: 10155381
    Abstract: A liquid discharge head includes a flow passage member and a plurality of pressurizing sections. The flow passage member includes a plurality of discharge holes, a plurality of pressurizing chambers connected to a plurality of the discharge holes, a plurality of first flow passages connected to a plurality of the pressurizing chambers, a second flow passage connected in common to a plurality of the first flow passages, a plurality of third flow passages connected to a plurality of the pressurizing chambers, and a fourth flow passage connected in common to a plurality of the third flow passages. The pressurizing sections pressurize liquid in the pressurizing chambers. The third flow passage has a wide section connected to the pressurizing chamber and a narrow section connecting the wide section and the fourth flow passage. The wide section is disposed toward the discharge hole of the pressurizing chamber.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: December 18, 2018
    Assignee: KYOCERA CORPORATION
    Inventors: Yuka Matsumoto, Naoki Kobayashi, Hiroyuki Kawamura
  • Publication number: 20180319162
    Abstract: In a liquid ejection head, an ejection unit of a channel member includes an ejection hole, a pressurizing chamber connected to the ejection hole, a first channel and a second channel each connecting the pressurizing chamber and a first common channel, and a third channel connecting the pressurizing chamber and a second common channel. The first common channel, in the channel direction, includes a plurality of first portions, and a plurality of second portions each located between each two of the plurality of first portions and having smaller cross-sectional areas than those of the first portions in front and back of the same. In each of the plurality of ejection units, the first channel and the second channel are individually connected to two positions in the first common channel which sandwich at least one of the second portions between them.
    Type: Application
    Filed: October 27, 2016
    Publication date: November 8, 2018
    Applicant: KYOCERA Corporation
    Inventors: Naoki KOBAYASHI, Hiroyuki KAWAMURA, Wataru IKEUCHI
  • Patent number: 10086609
    Abstract: A liquid discharge head is configured to achieve decrease in temperature difference in the liquid discharge head, and includes a recording device including the liquid discharge head. The liquid discharge head includes a channel member having a plurality of discharge holes, a plurality of pressurization chambers, and a plurality of common channels, and a plurality of pressurizing parts. The plurality of common channels extends in a first direction and configures a common channel group aligned in a second direction crossing the first direction, the common channels are connected with the plurality of pressurization chambers disposed along the common channels among the plurality of pressurization chambers, and the channel member is disposed outside, in the second direction, with respect to the common channel group, and further includes a first end channel extending in the first direction, and the first end channel is lower in channel resistance than the common channels.
    Type: Grant
    Filed: August 26, 2015
    Date of Patent: October 2, 2018
    Assignee: KYOCERA CORPORATION
    Inventors: Daisuke Hozumi, Hiroyuki Kawamura, Naoki Kobayashi
  • Publication number: 20170282556
    Abstract: A liquid discharge head is configured to achieve decrease in temperature difference in the liquid discharge head, and includes a recording device including the liquid discharge head. The liquid discharge head includes a channel member having a plurality of discharge holes, a plurality of pressurization chambers, and a plurality of common channels, and a plurality of pressurizing parts. The plurality of common channels extends in a first direction and configures a common channel group aligned in a second direction crossing the first direction, the common channels are connected with the plurality of pressurization chambers disposed along the common channels among the plurality of pressurization chambers, and the channel member is disposed outside, in the second direction, with respect to the common channel group, and further includes a first end channel extending in the first direction, and the first end channel is lower in channel resistance than the common channels.
    Type: Application
    Filed: August 26, 2015
    Publication date: October 5, 2017
    Applicant: KYOCERA Corporation
    Inventors: Daisuke HOZUMI, Hiroyuki KAWAMURA, Naoki KOBAYASHI
  • Patent number: 9751305
    Abstract: A liquid discharge head including first flow channel members, each having discharge holes, pressurizing chambers, first common supply flow channels, and first common recovery flow channels where the first common supply flow channels and first common recovery flow channels are long in a first direction, and the first flow channel members are disposed in a second direction; a second flow channel member having a second common supply flow channel and a second common recovery flow channel; and pressurizing parts to respectively pressurize the liquid in the pressurizing chambers. The second flow channel member is disposed on the first flow channel member. The first flow channel member, second flow channel member, second common supply flow channel, and second common recovery flow channel are long in the second direction. Pressure loss may therefore be minimized in the pressurizing chambers without increasing the size of the liquid discharge head in a planar direction.
    Type: Grant
    Filed: February 19, 2015
    Date of Patent: September 5, 2017
    Assignee: KYOCERA CORPORATION
    Inventors: Kenko Gejima, Hiroyuki Kawamura, Naoki Kobayashi
  • Publication number: 20170239948
    Abstract: A liquid discharge head includes a flow passage member and a plurality of pressurizing sections. The flow passage member includes a plurality of discharge holes, a plurality of pressurizing chambers connected to a plurality of the discharge holes, a plurality of first flow passages connected to a plurality of the pressurizing chambers, a second flow passage connected in common to a plurality of the first flow passages, a plurality of third flow passages connected to a plurality of the pressurizing chambers, and a fourth flow passage connected in common to a plurality of the third flow passages. The pressurizing sections pressurize liquid in the pressurizing chambers. The third flow passage has a wide section connected to the pressurizing chamber and a narrow section connecting the wide section and the fourth flow passage. The wide section is disposed toward the discharge hole of the pressurizing chamber.
    Type: Application
    Filed: March 27, 2015
    Publication date: August 24, 2017
    Applicant: KYOCERA Corporation
    Inventors: Yuka MATSUMOTO, Naoki KOBAYASHI, Hiroyuki KAWAMURA
  • Publication number: 20170182772
    Abstract: A liquid discharge head including first flow channel members, each having discharge holes, pressurizing chambers, first common supply flow channels, and first common recovery flow channels where the first common supply flow channels and first common recovery flow channels are long in a first direction, and the first flow channel members are disposed in a second direction; a second flow channel member having a second common supply flow channel and a second common recovery flow channel; and pressurizing parts to respectively pressurize the liquid in the pressurizing chambers. The second flow channel member is disposed on the first flow channel member. The first flow channel member, second flow channel member, second common supply flow channel, and second common recovery flow channel are long in the second direction. Pressure loss may therefore be minimized in the pressurizing chambers without increasing the size of the liquid discharge head in a planar direction.
    Type: Application
    Filed: February 19, 2015
    Publication date: June 29, 2017
    Applicant: KYOCERA Corporation
    Inventors: Kenko GEJIMA, Hiroyuki KAWAMURA, Naoki KOBAYASHI
  • Publication number: 20170151792
    Abstract: [Object] It is an object of the present invention to provide a liquid discharge head that is capable of holding a meniscus. [Solution] A flow channel member according to the present invention comprises a plurality of discharge elements 15 that discharges liquid; a plurality of first discrete flow channels 12, each allocated for each one of the discharge elements 15; a plurality of second discrete flow channels 14, each allocated for each one of the discharge elements 15; a first common flow channel 20 extending from one side D1a to another side D1b in a first direction D1 and connected commonly to the plurality of first discrete flow channels 12; a first opening 20a that connects the first common flow channel 20 and an outside; a second common flow channel 24 extending from the one side D1a to the other side D1b in the first direction D1 and connected commonly to the plurality of second discrete flow channels 14; and a second opening 24a that connects the second common flow channel 24 and the outside.
    Type: Application
    Filed: June 25, 2015
    Publication date: June 1, 2017
    Inventors: Naoki KOBAYASHI, Hiroyuki KAWAMURA
  • Patent number: 9425821
    Abstract: An information processing apparatus receives a compressed file in which character string data with a first character code is compressed by a unit of character string including a single character or a plurality of characters. The information processing apparatus converts compression information included in the compressed file into converted compression information, the compression information mapping each of compressed character string data in the compressed file to each of corresponding unit of character string with the first character code, thereby the converted compression information mapping each of the compressed character string data in the compressed file to each of the corresponding unit of character string with a second character code. The information processing apparatus generates a converted compression file from the converted compression information and each of the compressed character string data.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: August 23, 2016
    Assignee: FUJITSU LIMITED
    Inventors: Masahiro Kataoka, Isao Miyashita, Hiroyuki Kawamura
  • Publication number: 20160211863
    Abstract: An information processing apparatus receives a compressed file in which character string data with a first character code is compressed by a unit of character string including a single character or a plurality of characters. The information processing apparatus converts compression information included in the compressed file into converted compression information, the compression information mapping each of compressed character string data in the compressed file to each of corresponding unit of character string with the first character code, thereby the converted compression information mapping each of the compressed character string data in the compressed file to each of the corresponding unit of character string with a second character code. The information processing apparatus generates a converted compression file from the converted compression information and each of the compressed character string data.
    Type: Application
    Filed: January 14, 2016
    Publication date: July 21, 2016
    Applicant: FUJITSU LIMITED
    Inventors: Masahiro KATAOKA, lsao MIYASHITA, Hiroyuki KAWAMURA