Patents by Inventor Akira Yokoyama

Akira Yokoyama 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: 11156473
    Abstract: [Object] An object of the present technology is to provide an information processing apparatus, an information processing system, and an information processing method capable of allowing a user to approach a destination intuitively. [Solving Means] An information processing apparatus according to the present technology includes a position-coordinate acquisition part, a direction acquisition part, a direction calculation part, and a haptic-feedback determining part. The position-coordinate acquisition part acquires a position coordinate of the information processing apparatus. The direction acquisition part acquires an apparatus direction that the information processing apparatus faces. The direction calculation part calculates a target direction being a direction of a target with respect to the information processing apparatus from a position coordinate of the target and the position coordinate of the information processing apparatus.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: October 26, 2021
    Assignee: Sony Corporation
    Inventors: Ryo Yokoyama, Akira Ono, Tetsuya Naruse, Mikio Takenaka, Ryosuke Murakami, Hideaki Hayashi, Mioko Ambe, Ryosuke Takeuchi, Kazutoshi Ohno, Seiji Muramatsu, Tetsuya Takahashi
  • Publication number: 20210302760
    Abstract: A technique capable of easily and highly accurately perform positioning of a lens member having a convex optical surface. A lens positioning mechanism is configured to include: a member holding unit that has a function of holding a lens member via an auxiliary tool attached to a second surface of the lens member having a first surface, which is a convex optical surface, and the second surface, which is an optical surface facing the first surface, and biasing the held lens member toward a side of the first surface; and an attitude control unit that abuts on a predetermined portion on the first surface of the lens member biased on the member holding unit to regulate a position of the predetermined portion and positions the lens member in a predetermined attitude.
    Type: Application
    Filed: March 30, 2021
    Publication date: September 30, 2021
    Applicant: HOYA LENS THAILAND LTD.
    Inventors: Akira HAMANAKA, Shinichi YOKOYAMA
  • Publication number: 20210299986
    Abstract: A lens positioning mechanism includes: a member holding unit that has a function of holding a second surface of a lens member having a first surface, which is a convex optical surface, and the second surface, which is an optical surface facing the first surface, and biasing the held lens member toward a side of the first surface; and an attitude control unit that regulates edge positions of a plurality of portions on the first surface of the lens member biased by the member holding unit to position the lens member in a predetermined attitude.
    Type: Application
    Filed: March 30, 2021
    Publication date: September 30, 2021
    Applicant: HOYA LENS THAILAND LTD.
    Inventors: Akira HAMANAKA, Shinichi YOKOYAMA
  • Publication number: 20210302759
    Abstract: Production of a lens member includes: a step of positioning a lens member having a first surface, which is a convex optical surface, and a second surface, which is an optical surface facing the first surface, in a predetermined attitude; a step of recognizing surface shape data of the first surface using a dimensional measurement result of the first surface of the positioned lens member; and a step of irradiating the first surface of the lens member with laser light to perform laser processing on the first surface, and controlling an irradiation position of the laser light based on the surface shape data.
    Type: Application
    Filed: March 30, 2021
    Publication date: September 30, 2021
    Applicant: HOYA LENS THAILAND LTD.
    Inventors: Akira HAMANAKA, Shinichi YOKOYAMA
  • Publication number: 20210289098
    Abstract: A facsimile, a control method, and a non-transitory recording medium. The facsimile designates destination information according to a designation operation by a user, extracts the destination information from an image indicated by image information, determines whether the destination information designated according to the designation operation and the destination information extracted from the image match, and display on a display, a notification screen based on a result of determination.
    Type: Application
    Filed: March 4, 2021
    Publication date: September 16, 2021
    Applicant: Ricoh Company, Ltd.
    Inventors: Takuya MORI, Akira YOKOYAMA, Hayato AIKAWA
  • Patent number: 11102613
    Abstract: A server for controlling an information sharing state between a first mobile phone and a second mobile phone via a network, including: a network interface that communicates with the first mobile phone and the second mobile phone; a memory that stores a predetermined distance data; and circuitry that receives first and second GPS signals, first and second user information, and first and second restriction information from the first and second mobile phones respectively; calculates a distance between the first and second mobile phones; compares the distance with the predetermined distance; changes an information sharing state between the first and second mobile phones from a first state to a second state based on the comparison result; and restricts the change of the information sharing state based on the first restriction information and the second user information.
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: August 24, 2021
    Assignee: SONY CORPORATION
    Inventors: Masahito Yokoyama, Akira Tange, Masako Kadobayashi, Kyohei Takano
  • Publication number: 20200267268
    Abstract: An image forming apparatus includes circuitry to acquire a voice instructing to set a plurality of setting items to be used for executing image forming, control a display to display a setting screen indicating a plurality of setting items having been set using one or more keywords recognized from the voice instructing to set the plurality of setting items, and perform image forming based on the plurality of setting items having been set based on the voice.
    Type: Application
    Filed: January 27, 2020
    Publication date: August 20, 2020
    Applicant: Ricoh Company, Ltd.
    Inventor: Akira YOKOYAMA
  • Publication number: 20190137729
    Abstract: Provided is an optical apparatus including: a first optical element configured to be movable in an optical axis direction; a second optical element configured to be movable in the optical axis direction; a first elastic member configured to bias the first optical element in the optical axis direction; and a second elastic member configured to bias the first optical element and the second optical element in the optical axis direction due to reduction in distance between the first optical element and the second optical element, wherein the second elastic member is configured to bias the first optical element, due to the reduction, in a direction in which the first elastic member biases the first optical element.
    Type: Application
    Filed: November 1, 2018
    Publication date: May 9, 2019
    Inventor: Akira Yokoyama
  • Patent number: 10203468
    Abstract: A lens apparatus includes a can ring for moving an optical member in an optical axis direction by rotating about an optical axis relative to a fixed barrel. One end surface of the cam ring in the optical axis direction is in contact with a first ball array, while an opposite end surface of the cam ring in the optical axis direction is in contact with a second ball array, the first ball array is rotatably held by and between a ring member movable in the optical axis direction and the one end surface, the second ball array is rotatably held by and between a cap member fixed to the fixed barrel and the opposite end surface, and the ring member is biased by an elastic member toward the cam ring, and the cam ring is thereby biased toward the cap member.
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: February 12, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Akira Yokoyama
  • Patent number: 9671674
    Abstract: A stop mechanism, including: diaphragms; a reception receiving the diaphragms; a cam rotating the diaphragms to change an aperture diameter; and an interlocking arm interlocking with rotation of the cam and arranged on a radially outer side of the cam to rotate the cam from an outside of the stop mechanism. The diaphragms each include: an arc portion defining the aperture diameter and being received in the reception at maximum aperture; and a light-blocking projection formed on the arc portion to block light outside the aperture diameter. The reception includes cutouts for allowing the light-blocking projection to project outside at the maximum aperture. The interlocking arm is located at a position where the light-blocking projection does not overlap in a circumferential direction, and the light-blocking projection moves into the reception while the interlocking arm moves in the circumferential direction in which the aperture diameter is reduced.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: June 6, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Akira Yokoyama
  • Publication number: 20170059809
    Abstract: A lens apparatus includes a can ring for moving an optical member in an optical axis direction by rotating about an optical axis relative to a fixed barrel. One end surface of the cam ring in the optical axis direction is in contact with a first ball array, while an opposite end surface of the cam ring in the optical axis direction is in contact with a second ball array, the first ball array is rotatably held by and between a ring member movable in the optical axis direction and the one end surface, the second ball array is rotatably held by and between a cap member fixed to the fixed barrel and the opposite end surface, and the ring member is biased by an elastic member toward the cam ring, and the cam ring is thereby biased toward the cap member.
    Type: Application
    Filed: August 16, 2016
    Publication date: March 2, 2017
    Inventor: Akira Yokoyama
  • Patent number: 9491319
    Abstract: A display control device includes an acquiring unit that acquires a display request of display information including a display item with respect to a device; a first storage unit that stores therein a minimum item size that is a minimum value of an item size of the display item displayed on a display screen on which the display information is to be displayed; an item size determination unit that sets, based on a screen size of the display screen, an item size of the display item when displayed on the display screen, to an item size that is equal to or larger than the minimum item size; and a display information generating unit that generates the display information including the display item having the set item size.
    Type: Grant
    Filed: November 16, 2012
    Date of Patent: November 8, 2016
    Assignee: RICOH COMPANY, LIMITED
    Inventors: Akira Yokoyama, Tatsuo Nishimura
  • Publication number: 20160161829
    Abstract: A stop mechanism, including: diaphragms; a reception receiving the diaphragms; a cam rotating the diaphragms to change an aperture diameter; and an interlocking arm interlocking with rotation of the cam and arranged on a radially outer side of the cam to rotate the cam from an outside of the stop mechanism. The diaphragms each include: an arc portion defining the aperture diameter and being received in the reception at maximum aperture; and a light-blocking projection formed on the arc portion to block light outside the aperture diameter. The reception includes cutouts for allowing the light-blocking projection to project outside at the maximum aperture. The interlocking arm is located at a position where the light-blocking projection does not overlap in a circumferential direction, and the light-blocking projection moves into the reception while the interlocking arm moves in the circumferential direction in which the aperture diameter is reduced.
    Type: Application
    Filed: November 20, 2015
    Publication date: June 9, 2016
    Inventor: Akira Yokoyama
  • Publication number: 20160080588
    Abstract: An information processing system includes an execution request unit that requests one or more multiple preregistered apparatuses to execute an operation, an authority information acquisition unit that acquires authority information that indicates user authority on the preregistered apparatus from at least one of the preregistered apparatuses, an authority management information generator that generates authority management information that indicates the user authority applied to the preregistered apparatuses based on the authority information that the authority information acquisition unit acquires, and a controller that controls whether or not to allow the execution request unit to request to execute the operation based on the authority management information.
    Type: Application
    Filed: September 11, 2015
    Publication date: March 17, 2016
    Inventors: Tohru SASAKI, Tomohiro Kuroyanagi, Atsushi Okazato, Makoto Sasaki, Junki Aoki, Takuya Mori, Hirohisa Saitoh, Mie Watanabe, Tatsuo Nishimura, Yukinori Ishii, Hiroyuki Sakuyama, Fumihiro Umetsu, Itaru Kodaira, Naoki Shimizu, Akira Yokoyama, Hiroaki Ikkanzaka, Tadashi Sato, Takashi Toriumi, Fumiyoshi Kittaka
  • Patent number: 9285659
    Abstract: An optical accessory adapter is used to couple together a lens apparatus and an optical accessory attached to an object side portion of the lens apparatus having fitting attachment diameters different from each other. The adapter is provided with a cutout portion in a part of a region outside the attachment diameter of the lens apparatus on an object side surface thereof.
    Type: Grant
    Filed: February 18, 2014
    Date of Patent: March 15, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventor: Akira Yokoyama
  • Patent number: 9008146
    Abstract: A semiconductor laser excitation solid-state laser comprises: a planar waveguide-type solid-state laser element which is disposed on a solid-state laser substrate; an LD array; and a sub-mount substrate on which joining layers of two different thicknesses are formed on the same plane; wherein the planar waveguide-type solid-state laser element is joined to the sub-mount substrate on the surface on the opposite side of a surface on which the solid-state laser substrate is mounted, via a joining layer of one of the thicknesses out of the joining layers of the two different thicknesses, and the LD array is joined to the sub-mount substrate on the surface on a light-emitting layer side, via another joining layer of the other thickness out of the joining layers of the two different thicknesses.
    Type: Grant
    Filed: November 16, 2011
    Date of Patent: April 14, 2015
    Assignee: Mitsubishi Electric Corporation
    Inventors: Motoaki Tamaya, Akira Yokoyama
  • Publication number: 20140233937
    Abstract: An optical accessory adapter is used to couple together a lens apparatus and an optical accessory attached to an object side portion of the lens apparatus having fitting attachment diameters different from each other. The adapter is provided with a cutout portion in a part of a region outside the attachment diameter of the lens apparatus on an object side surface thereof.
    Type: Application
    Filed: February 18, 2014
    Publication date: August 21, 2014
    Applicant: Canon Kabushiki Kaisha
    Inventor: Akira YOKOYAMA
  • Publication number: 20140233598
    Abstract: A semiconductor laser excitation solid-state laser comprises: a planar waveguide-type solid-state laser element which is disposed on a solid-state laser substrate; an LD array; and a sub-mount substrate on which joining layers of two different thicknesses are formed on the same plane; wherein the planar waveguide-type solid-state laser element is joined to the sub-mount substrate on the surface on the opposite side of a surface on which the solid-state laser substrate is mounted, via a joining layer of one of the thicknesses out of the joining layers of the two different thicknesses, and the LD array is joined to the sub-mount substrate on the surface on a light-emitting layer side, via another joining layer of the other thickness out of the joining layers of the two different thicknesses.
    Type: Application
    Filed: November 16, 2011
    Publication date: August 21, 2014
    Applicant: Mitsubishi Electric Corporation
    Inventors: Motoaki Tamaya, Akira Yokoyama
  • Patent number: 8695258
    Abstract: A nameplate attachment structure enables a nameplate to be attached in at least two variations of postures to a chassis outer surface of an apparatus, the nameplate being formed of an elastic body, the nameplate including: a shaft projected on a rear surface of an indication surface and having a distal end including a locking stop; and at least two engagement pieces respectively having hook projections, the chassis outer surface including: a support hole through which the shaft is inserted; and at least two engagement holes engageable with the engagement pieces. When the shaft is inserted through the support hole, the locking stop restricts movement of the nameplate in a direction in which the shaft extends, and when the engagement pieces are inserted through the engagement holes, the hook projections are engaged with the engagement holes so that the nameplate is attached to the chassis outer surface.
    Type: Grant
    Filed: May 24, 2012
    Date of Patent: April 15, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshifumi Kori, Akira Yokoyama
  • Publication number: 20130279170
    Abstract: A laser light source module includes a laser light source outputting laser light, a wavelength conversion element converting a wavelength of the laser light, a temperature sensor mounted on a first face of the wavelength conversion element, a heater substrate of a ceramic base material, on which the wavelength conversion element is mounted. A heater is provided on the heater substrate, in which a sub-mount substrate on which the laser light source is mounted and the heater substrate are fixed to a heat sink, and the heat sink includes a concavity at a position corresponding to a projection region of the wavelength conversion element opposite to the substrate, whereby the entire wavelength conversion element is kept at the most suitable operation temperature, and laser light can be wavelength-converted in higher efficiency.
    Type: Application
    Filed: January 17, 2011
    Publication date: October 24, 2013
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Akira Yokoyama, Motoaki Tamaya, Takayuki Yanagisawa