Patents by Inventor Terunori Koyama

Terunori Koyama 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: 11978252
    Abstract: A communication system includes circuitry. The circuitry receives an input of language information. The circuitry performs recognition on the input language information. The circuitry displays one or more images corresponding to the input language information on a display, based on a result of the recognition.
    Type: Grant
    Filed: October 13, 2021
    Date of Patent: May 7, 2024
    Assignee: RICOH COMPANY, LTD.
    Inventors: Yuki Hori, Eri Watanabe, Takuro Yasuda, Kentaroh Hagita, Takuroh Naitoh, Hiroaki Tanaka, Terunori Koyama
  • Publication number: 20230376265
    Abstract: A communication system for controlling communication between a terminal apparatus and a counterpart terminal apparatus, includes circuitry that: converts speech data into language information, the speech data representing speech input to the terminal apparatus or speech input to the counterpart terminal apparatus; displays the language information that is converted on an information display screen at the terminal apparatus in a chronological order; displays, on the information display screen, content based on a user operation on the language information displayed in the first area of the information display screen; and transmits information on the content displayed on the information display screen to a counterpart terminal apparatus, to cause the counterpart terminal apparatus to display the content.
    Type: Application
    Filed: May 18, 2023
    Publication date: November 23, 2023
    Applicant: Ricoh Company, Ltd.
    Inventors: Yuuki Suzuki, Yuki Hori, Eri Watanabe, Hiroaki Tanaka, Terunori Koyama, Takuroh Naitoh
  • Publication number: 20220114367
    Abstract: A communication system includes circuitry. The circuitry receives an input of language information. The circuitry performs recognition on the input language information. The circuitry displays one or more images corresponding to the input language information on a display, based on a result of the recognition.
    Type: Application
    Filed: October 13, 2021
    Publication date: April 14, 2022
    Inventors: Yuki HORI, Eri WATANABE, Takuro YASUDA, Kentaroh HAGITA, Takuroh NAITOH, Hiroaki TANAKA, Terunori KOYAMA
  • Publication number: 20200033550
    Abstract: An optical device includes an optical system including a plurality of lens groups, at least one lens group being a movable lens group moving in an optical axis direction, and a movable frame to move the movable lens group. The movable frame includes a driving source, a drive screw, a lens supporting frame, and maintaining an integrated state relative to the movable lens group, a plurality of arms disposed in a position to face the drive screw and being openable and closable relative to the drive screw with a single opening and closing axis as a support axis, the plurality of arms including a first arm and a second arm, and a biasing spring configured to apply a biasing force to the first arm in a direction in which the first arm approaches the drive screw, wherein the lens supporting frame is further configured to support the biasing spring.
    Type: Application
    Filed: October 2, 2019
    Publication date: January 30, 2020
    Applicant: RICOH IMAGING COMPANY, LTD.
    Inventors: Daisuke TERAHARA, Takehide OHNO, Terunori KOYAMA
  • Patent number: 10473882
    Abstract: An optical device includes an optical system including a plurality of lens groups, at least one lens group being a movable lens group moving in an optical axis direction, and a movable frame to move the movable lens group. The movable frame includes a driving source, a drive screw, a lens supporting frame, and maintaining an integrated state relative to the movable lens group, a plurality of arms disposed in a position to face the drive screw and being openable and closable relative to the drive screw with a single opening and closing axis as a support axis, the plurality of arms including a first arm and a second arm, and a biasing spring configured to apply a biasing force to the first arm in a direction in which the first arm approaches the drive screw, wherein the lens supporting frame is further configured to support the biasing spring.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: November 12, 2019
    Assignee: RICOH IMAGING COMPANY, LTD.
    Inventors: Daisuke Terahara, Takehide Ohno, Terunori Koyama
  • Publication number: 20170336592
    Abstract: An optical device includes an optical system including a plurality of lens groups, at least one lens group being a movable lens group moving in an optical axis direction, and a movable frame to move the movable lens group. The movable frame includes a driving source, a drive screw, a lens supporting frame, and maintaining an integrated state relative to the movable lens group, a plurality of arms disposed in a position to face the drive screw and being openable and closable relative to the drive screw with a single opening and closing axis as a support axis, the plurality of arms including a first arm and a second arm, and a biasing spring configured to apply a biasing force to the first arm in a direction in which the first arm approaches the drive screw, wherein the lens supporting frame is further configured to support the biasing spring.
    Type: Application
    Filed: August 7, 2017
    Publication date: November 23, 2017
    Applicant: RICOH IMAGING COMPANY, LTD.
    Inventors: Daisuke TERAHARA, Takehide OHNO, Terunori KOYAMA
  • Patent number: 9726849
    Abstract: A lead screw device includes a lead screw including a thread portion, and a driven body which engages with the thread portion, and moves in an axis direction of the lead screw along with rotation of the lead screw about an axis, the driven body including a pair of driven members disposed to sandwich the lead screw in a radial direction, wherein the pair of driven members is biased in a direction which sandwiches the lead screw in the radial direction, and a tooth portion provided in each of the driven members engages with the thread portion of the lead screw by a biasing force.
    Type: Grant
    Filed: May 19, 2014
    Date of Patent: August 8, 2017
    Assignee: RICOH IMAGING COMPANY, LTD.
    Inventors: Daisuke Terahara, Takehide Ohno, Terunori Koyama
  • Patent number: 9659379
    Abstract: An information processing system comprises: a light emitting unit that irradiates pattern light having a specific pattern to a subject to form a texture on the subject; an imaging unit that captures the subject on which the texture is formed; a deriving unit that derives distance information to the subject based on an image captured by the imaging unit; an analyzing unit that analyzes whether or not an image abnormality is present in either one of the captured image and an image based on the distance information; and a dimming unit that performs dimming control when the analyzing unit analyzes that the image abnormality is present.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: May 23, 2017
    Assignee: RICOH COMPANY, LTD.
    Inventors: Hiroyoshi Sekiguchi, Terunori Koyama, Kazuyoshi Yamada
  • Patent number: 9477143
    Abstract: A camera device includes a holding member that holds a plurality of cameras to be arranged side by side, a supporting member that supports the holding member, a first positioner that positions the holding member to the supporting member in an arranged direction of the cameras, and a second positioner that positions the holding member to the supporting member in optical axis directions of the cameras, the second positioner being movable in the arranged direction of the cameras. The first positioner and the second positioner are arranged in the arranged direction of the cameras.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: October 25, 2016
    Assignee: RICOH COMPANY, LTD.
    Inventor: Terunori Koyama
  • Publication number: 20160195799
    Abstract: A camera device includes a holding member that holds a plurality of cameras to be arranged side by side, a supporting member that supports the holding member, a first positioner that positions the holding member to the supporting member in an arranged direction of the cameras, and a second positioner that positions the holding member to the supporting member in optical axis directions of the cameras, the second positioner being movable in the arranged direction of the cameras. The first positioner and the second positioner are arranged in the arranged direction of the cameras.
    Type: Application
    Filed: December 28, 2015
    Publication date: July 7, 2016
    Inventor: Terunori KOYAMA
  • Publication number: 20160098841
    Abstract: An information processing system comprises: a light emitting unit that irradiates pattern light having a specific pattern to a subject to form a texture on the subject; an imaging unit that captures the subject on which the texture is formed; a deriving unit that derives distance information to the subject based on an image captured by the imaging unit; an analyzing unit that analyzes whether or not an image abnormality is present in either one of the captured image and an image based on the distance information; and a dimming unit that performs dimming control when the analyzing unit analyzes that the image abnormality is present.
    Type: Application
    Filed: October 1, 2015
    Publication date: April 7, 2016
    Inventors: Hiroyoshi SEKIGUCHI, Terunori Koyama, Kazuyoshi Yamada
  • Publication number: 20140347753
    Abstract: A lead screw device includes a lead screw including a thread portion, and a driven body which engages with the thread portion, and moves in an axis direction of the lead screw along with rotation of the lead screw about an axis, the driven body including a pair of driven members disposed to sandwich the lead screw in a radial direction, wherein the pair of driven members is biased in a direction which sandwiches the lead screw in the radial direction, and a tooth portion provided in each of the driven members engages with the thread portion of the lead screw by a biasing force.
    Type: Application
    Filed: May 19, 2014
    Publication date: November 27, 2014
    Applicant: RICOH IMAGING COMPANY, LTD.
    Inventors: Daisuke TERAHARA, Takehide OHNO, Terunori KOYAMA
  • Patent number: 8730600
    Abstract: A lens barrel includes a plurality of lens groups including a retractable lens group, a plurality of lens retaining frames to respectively retain the plurality of lens groups, a movable lens barrel to retain the plurality of lens retaining frames therein, and a lens retaining frame driving device to drive the lens retaining frames via the movable lens barrel. The lens retaining frames, the movable lens barrel and the lens retaining frame driving device move the plurality of lens groups between a collapsed state and a photographing state. The retractable lens retaining frame is movable between a position on a photographing axis and a position inside a housing located outside an inside diameter position of the movable lens barrel in the collapsed state by moving in a direction inclined relative to the photographing axis and moving in a direction orthogonal to the photographing axis.
    Type: Grant
    Filed: June 6, 2011
    Date of Patent: May 20, 2014
    Assignee: Ricoh Company, Ltd.
    Inventors: Tetsuya Iwasaki, Terunori Koyama
  • Patent number: 8687298
    Abstract: A lens barrel includes a fixed cylinder, a first rotary cylinder rotatably provided around an axis relative to the fixed cylinder, and a moving cylinder disposed inside of the first rotary cylinder to move integrally with the first rotary cylinder on the axis and rotate around the axis relative to the first rotary cylinder. The moving cylinder includes a front protrusion group of three or more protrusions and a rear protrusion group of two or more protrusions on an outer circumference. The first rotary cylinder includes, in an inner circumference, a first circumferential groove, a second circumferential groove, a first guide having three or more depressions, and a second guide having two or more depressions. The first rotary cylinder and the moving cylinder are coupled with each other by fitting the front and rear protrusion groups into the first and second circumferential grooves, respectively.
    Type: Grant
    Filed: March 8, 2012
    Date of Patent: April 1, 2014
    Assignee: Ricoh Company, Ltd.
    Inventor: Terunori Koyama
  • Publication number: 20130088791
    Abstract: A lens barrel includes a plurality of lens groups including a retractable lens group, a plurality of lens retaining frames to respectively retain the plurality of lens groups, a movable lens barrel to retain the plurality of lens retaining frames therein, and a lens retaining frame driving device to drive the lens retaining frames via the movable lens barrel. The lens retaining frames, the movable lens barrel and the lens retaining frame driving device move the plurality of lens groups between a collapsed state and a photographing state. The plurality of lens retaining frames includes a retractable lens retaining frame to movably retain the retractable lens group so as to position the plurality of lens groups on a photographing axis in the photographing state and to retract the retractable lens group to a housing located outside an inside diameter position of the movable lens barrel in the collapsed state.
    Type: Application
    Filed: June 6, 2011
    Publication date: April 11, 2013
    Inventors: Tetsuya Iwasaki, Terunori Koyama
  • Publication number: 20120229923
    Abstract: A lens barrel includes a fixed cylinder, a first rotary cylinder rotatably provided around an axis relative to the fixed cylinder, and a moving cylinder disposed inside of the first rotary cylinder to move integrally with the first rotary cylinder on the axis and rotate around the axis relative to the first rotary cylinder. The moving cylinder includes a front protrusion group of three or more protrusions and a rear protrusion group of two or more protrusions on an outer circumference. The first rotary cylinder includes, in an inner circumference, a first circumferential groove, a second circumferential groove, a first guide having three or more depressions, and a second guide having two or more depressions. The first rotary cylinder and the moving cylinder are coupled with each other by fitting the front and rear protrusion groups into the first and second circumferential grooves, respectively.
    Type: Application
    Filed: March 8, 2012
    Publication date: September 13, 2012
    Inventor: Terunori KOYAMA
  • Patent number: 8251595
    Abstract: A lens barrel includes a plurality of lenses moved between a collapsed state where at least one lens is collapsed and a photographic state where at least one lens is disposed at an object side and all lenses are on a photographic axis, a plurality of lens retaining frames each configured to retain the plurality of lenses, a movable cylinder, a positioning member provided inside the movable cylinder, the retractable lens retaining frame retaining a retractable lens to be positioned to a photographic axis position by allowing the retractable lens retaining frame to abut on the positioning member in the photographic state and to be retracted out of the photographic axis in the collapsed state, a preliminary reception portion provided inside the movable cylinder and located on a path along which the retractable lens retaining frame moves from the collapsed state to the photographic state.
    Type: Grant
    Filed: February 10, 2011
    Date of Patent: August 28, 2012
    Assignee: Ricoh Company, Ltd.
    Inventor: Terunori Koyama
  • Patent number: 8075206
    Abstract: A lens barrel includes a fixed cylinder, a first rotating cylinder, a linear movement cylinder which moves integrally in an axis direction with the first rotating cylinder, and a second rotating cylinder. The linear movement cylinder has equal to or more than three projections in an outer circumferential surface. The first rotating cylinder has equal to or more than three cutouts corresponding to each projection of the linear movement cylinder in an inner circumferential surface, and each cutout has a shape corresponding to a shape of each projection. Each cutout is formed in parallel with an axis of the first rotating cylinder, and in which each projections of the linear movement cylinder is inserted. An end of each cutout extends to a groove in a circumferential direction, each projection is guided in the groove, and the first rotating cylinder and the linear movement cylinder is connected.
    Type: Grant
    Filed: December 17, 2008
    Date of Patent: December 13, 2011
    Assignee: Ricoh Company, Ltd.
    Inventor: Terunori Koyama
  • Publication number: 20110194852
    Abstract: A lens barrel includes a plurality of lenses moved between a collapsed state where at least one lens is collapsed and a photographic state where at least one lens is disposed at an object side and all lenses are on a photographic axis, a plurality of lens retaining frames each configured to retain the plurality of lenses, a movable cylinder, a positioning member provided inside the movable cylinder, the retractable lens retaining frame retaining a retractable lens to be positioned to a photographic axis position by allowing the retractable lens retaining frame to abut on the positioning member in the photographic state and to be retracted out of the photographic axis in the collapsed state, a preliminary reception portion provided inside the movable cylinder and located on a path along which the retractable lens retaining frame moves from the collapsed state to the photographic state and a preliminary abutment portion provided on the retractable lens retaining frame and configured to abut on the preliminary r
    Type: Application
    Filed: February 10, 2011
    Publication date: August 11, 2011
    Inventor: Terunori KOYAMA
  • Publication number: 20100247092
    Abstract: A lens barrel includes a fixed cylinder, a first rotating cylinder, a linear movement cylinder which moves integrally in an axis direction with the first rotating cylinder, and a second rotating cylinder. The linear movement cylinder has equal to or more than three projections in an outer circumferential surface. The first rotating cylinder has equal to or more than three cutouts corresponding to each projection of the linear movement cylinder in an inner circumferential surface, and each cutout has a shape corresponding to a shape of each projection. Each cutout is formed in parallel with an axis of the first rotating cylinder, and in which each projections of the linear movement cylinder is inserted. An end of each cutout extends to a groove in a circumferential direction, each projection is guided in the groove, and the first rotating cylinder and the linear movement cylinder is connected.
    Type: Application
    Filed: December 17, 2008
    Publication date: September 30, 2010
    Inventor: Terunori Koyama