Patents by Inventor Kazuhiro Fujita

Kazuhiro Fujita 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: 20220099968
    Abstract: A projector includes an image forming unit configured to emit image light that forms an image and an imaging optical system configured to form an image by reflecting the image light. S magnification power at a point of the imaging optical system where the image light is incident and optical-path length between the image forming unit and the imaging optical system is short is made higher than a magnification power at a point of the imaging optical system where the image light is incident and the optical-path length between the image forming unit and the imaging optical system is long.
    Type: Application
    Filed: February 25, 2020
    Publication date: March 31, 2022
    Inventors: Yuuki SATOH, Kazuhiro FUJITA
  • Publication number: 20220097414
    Abstract: A method for manufacturing a container product is disclosed. The method includes filling a container with contents; forming information on the container, the information including a number, a letter, and an image, the information being formed by a first pattern, the first pattern being made up of a collection of second patterns; and heating or cooling the container before or after the forming of the information on the container.
    Type: Application
    Filed: September 29, 2021
    Publication date: March 31, 2022
    Inventors: Rie HIRAYAMA, Kazuhiro FUJITA, Teruhiro TADOKORO, Keiichi SERIZAWA
  • Publication number: 20220066177
    Abstract: An image projection apparatus includes: a light source; an image display element including multiple micromirrors arranged in two dimensions, the multiple micromirrors forming an image display plane, each micromirror having a reflecting surface; and a projection optical system. Conditional expressions (1) and (2) below are satisfied: ?1?14 (deg)??(1) 1.2<BF/L<2.2??(2) where ?1 is a maximum tilt angle of the reflecting surface of each micromirror with respect to the image display plane, L is a diagonal length of the image display plane, and BF is a distance between a vertex of a lens within the projection optical system and closest to the image display plane and the image display plane along an optical axis of the projection optical system.
    Type: Application
    Filed: August 31, 2021
    Publication date: March 3, 2022
    Inventors: Yohei TAKANO, Shigeaki IMAI, Kazuhiro FUJITA, Makoto HIRAKAWA
  • Publication number: 20220063297
    Abstract: A post-processing device includes a processing tray on which a medium on which recording was performed by a recording unit is loaded, a rear end alignment unit that aligns a rear end (an example of an end portion) of the medium on the processing tray, a post-processing unit that performs post-processing on the medium aligned by the rear end alignment unit, and a pressing member that presses the rear end of the medium. The post-processing unit is configured to be movable. The pressing member is provided to be rotatable in conjunction with movement of the post-processing unit, in a state in which the pressing member is in contact with the medium aligned by the rear end alignment unit.
    Type: Application
    Filed: August 30, 2021
    Publication date: March 3, 2022
    Inventors: Kazuhisa KAWAKAMI, Kazuhiro FUJITA, Masaki MIYAZAWA, Shun HARA
  • Patent number: 11237521
    Abstract: A timepiece movement includes a motor that has a rotor for rotating an indicating hand, a control unit that rotates the rotor by using a main drive pulse and an auxiliary drive pulse, and that determines a reference position of the indicating hand by detecting a rotation state of the rotor when the indicating hand is rotated using a detection drive pulse based on the main drive pulse, a train wheel that transmits a drive force of the motor to the indicating hand, and that has an indicating hand gear and a second intermediate pinion which mesh with each other, and an elastic portion that is disposed in the indicating hand gear, and that is elastically deformed by coming into contact with the second intermediate pinion when the indicating hand is located at the reference position.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: February 1, 2022
    Assignee: SEIKO INSTRUMENTS INC.
    Inventors: Masayuki Kawata, Toshiyuki Fujiwara, Kazuhiro Fujita
  • Patent number: 11145531
    Abstract: A substrate fixing device includes a baseplate, an adhesive layer on the baseplate, and an electrostatic chuck on the adhesive layer. The adhesive layer includes a first layer and a second layer. The second layer is between the first layer and the electrostatic chuck. The thermal conductivity of the first layer is higher in a stacking direction in which the baseplate, the adhesive layer, and the electrostatic chuck are stacked than in a plane direction perpendicular to the stacking direction. The thermal conductivity of the second layer is higher in the plane direction than in the stacking direction.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: October 12, 2021
    Assignee: SHINKO ELECTRIC INDUSTRIES CO., LTD.
    Inventor: Kazuhiro Fujita
  • Patent number: 11061227
    Abstract: A display device includes an image forming unit to form an image and project the image on a transmissive reflector to display a virtual image, an optical element to direct light of the image to the transmissive reflector, a wavelength selective mirror disposed between the image forming unit and the optical element and to separate infrared light from a light beam, and a shielding part to shield or attenuate infrared light. The optical element condenses external light travelling along an optical path opposite to an optical path of the light diffused. The wavelength selective mirror separates infrared light included in the external light condensed by the optical element, and the shielding part is disposed between the wavelength selective mirror and a focal point of the infrared light separated by the wavelength selective mirror. An apparatus includes the display device and the transmissive reflector.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: July 13, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventors: Kazuhiro Fujita, Yuuki Satoh, Maiko Yasui, Takehide Ohno
  • Publication number: 20210200075
    Abstract: A light-source device includes an excitation light source; a wavelength conversion unit to convert at least some of first color light into second color light; a light mixing element including a rod integrator to mix at least one of the first color light and the second color light from the conversion unit; and an optical element on an optical path of the first color light and having a reflecting surface. A center of the first color light on the reflecting surface intersects with only one of a first light flux of the first color light incident on and a second light flux of the first color light emitted from the conversion unit. An angle formed by a projection straight line of the first color light incident on an incident aperture of the integrator and a predetermined axial line of the incident aperture of the integrator is smaller than 40°.
    Type: Application
    Filed: December 2, 2020
    Publication date: July 1, 2021
    Inventors: Kasumi NAKAMURA, Yohei TAKANO, Makoto HIRAKAWA, Kazuhiro FUJITA
  • Publication number: 20210201859
    Abstract: A performance support device includes a first surface, a second surface, and a flow path. The first surface is configured to face a blow hole of an air reed instrument. The second surface is configured to be displaced from the blow hole. The flow path penetrates from the first surface to the second surface and that is configured to flow an exhaled breath toward the blow hole. A cross-sectional area of the flow path at the first surface is smaller than a cross-sectional area of the flow path at a position displaced from the first surface toward the second surface.
    Type: Application
    Filed: December 22, 2020
    Publication date: July 1, 2021
    Inventors: Keita ARIMOTO, Masafumi FUKE, Kazuhiro FUJITA, Akira MIKI
  • Patent number: 11048081
    Abstract: A display device, a display system, and a mobile object. The display device includes an image forming unit through which image light exits, an imaging optical system having a reflection plane and configured to form an image by reflecting the image light on the reflection plane, and a housing accommodating the image forming unit and the imaging optical system. The housing has a transmissive area through which the image light reflected by the imaging optical system passes through, and an inclination of the reflection plane is changed to reduce a project area of the reflection plane. The project area is projected to outside of the housing through the transmissive area. The display system includes the display device, and a reflector configured to reflect the image light reflected by the imaging optical system. The mobile object includes the display system, and the reflector is a front windshield.
    Type: Grant
    Filed: October 21, 2019
    Date of Patent: June 29, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventors: Yuuki Satoh, Kazuhiro Fujita, Maiko Yasui
  • Publication number: 20210148938
    Abstract: A disease risk assessment apparatus (100) includes an assessment unit (1) for assessing the risk of developing dementia in a subject, based on the concentration of an amino acid in the blood of the subject. The amino acid includes at least one selected from the group consisting of histidine, phenylalanine, leucine, isoleucine, methionine, threonine, glycine, glutamine, lysine, asparagine, homocysteine, cystathionine, S-adenosylmethionine, and S-adenosylhomocysteine.
    Type: Application
    Filed: October 29, 2019
    Publication date: May 20, 2021
    Inventors: Toshiharu NINOMIYA, Yoshinori KATAKURA, Satoru KUHARA, Jun HATA, Kazuhiro FUJITA
  • Publication number: 20210136336
    Abstract: A light-source device includes an excitation light source, an optical member, and a wavelength converter. The excitation light source is configured to emit first color light. The optical member has a reflecting surface configured to reflect the first color light emitted from the excitation light source. The wavelength converter includes a wavelength conversion member on which the first color light reflected by the optical member is incident. The wavelength conversion member is configured to convert at least part of the first color light into second color light having a wavelength different from a wavelength of the first color light and emit the second color light. A center of the first color light on the reflecting surface of the optical member does not intersect with a light flux of the first color light emitted from the wavelength converter.
    Type: Application
    Filed: October 30, 2020
    Publication date: May 6, 2021
    Inventors: Yohei TAKANO, Kazuhiro FUJITA, Kasumi NAKAMURA
  • Patent number: 10976544
    Abstract: A display device and an apparatus. The display device includes light emitter to emit light, an image generator to generate image light using the light emitted from the light emitter, a diffusion plate configured to diffuse the image light, and a light condensing element to receive and condense the image light diffused by the diffusion plate. A component in an optical path between the light emitter and the diffusion plate is disposed at a position different from a position of a light condensing portion of external light having transmitted through the diffusion plate via the light condensing element. The apparatus includes a light emitter to emit light, an image generator to generate image light using the light emitted from the light emitter, a diffusion plate to diffuse the image light, and a concave mirror to reflect the image light diffused by the diffusion plate to a transmission reflection member.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: April 13, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventors: Yuuki Satoh, Kazuhiro Fujita
  • Patent number: 10923076
    Abstract: A display device, a display system, a mobile object, a display-brightness control method, and a recording medium storing program code. The display device and the display-brightness control method include obtaining brightness data indicating brightness in a peripheral area at prescribed time intervals, the peripheral area including at least some of a display area that serves as a background of display data, detecting a change in brightness in the peripheral area based on the brightness data obtained in the obtaining, determining display-brightness data that indicates display brightness when the change in brightness is detected, such that length of delay time before display brightness of the display data is made to correspond to the brightness of the peripheral area is equal to or shorter than a permissible delay time, and displaying the display data using the display-brightness data determined in the determining.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: February 16, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Ryohhei Suzuki, Masato Kusanagi, Yuuki Suzuki, Kazuhiro Fujita
  • Patent number: 10884243
    Abstract: An HUD apparatus is configured to irradiate light for forming an image on a transmissive reflector provided in a movable body, and to display a virtual image in a display area to overlap the virtual image with scenery outside the movable body. A given distance range in the scenery from a reference point that is set in the movable body is included in the display area, and a difference between a first convergence angle to a target object (e.g., road surface) that is present in the given distance range and a second convergence angle to the virtual image displayed in the display area is at most one degree.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: January 5, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Yuuki Suzuki, Kenichiroh Saisho, Masato Kusanagi, Takuro Yasuda, Kazuhiro Fujita, Keita Katagiri, Hiroshi Yamaguchi
  • Patent number: 10852537
    Abstract: An HUD apparatus is configured to irradiate light for forming an image on a transmissive reflector provided in a movable body, and to display a virtual image in a display area to overlap the virtual image with scenery outside the movable body. A given distance range in the scenery from a reference point that is set in the movable body is included in the display area, and a difference between a first convergence angle to a target object (e.g., road surface) that is present in the given distance range and a second convergence angle to the virtual image displayed in the display area is at most one degree.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: December 1, 2020
    Assignee: Ricoh Company, Ltd.
    Inventors: Yuuki Suzuki, Kenichiroh Saisho, Masato Kusanagi, Takuro Yasuda, Kazuhiro Fujita, Keita Katagiri, Hiroshi Yamaguchi
  • Patent number: 10831021
    Abstract: A display device includes a screen to form an intermediate image with light; a concave mirror, and a first mirror disposed between the screen and the concave mirror. The first mirror includes a first reflective area to reflect the light emitted from the screen to the concave mirror; a second reflective area to reflect the light emitted from the concave mirror to an area where a virtual image is formed; and a common reflective area in which the first reflective area and the second reflective area at least partly overlap on each other.
    Type: Grant
    Filed: February 1, 2018
    Date of Patent: November 10, 2020
    Assignee: Ricoh Company, Ltd.
    Inventors: Kento Nakamura, Takehide Ohno, Hiromichi Atsuumi, Naoki Miyatake, Kazuhiro Fujita, Yuki Hayashi
  • Patent number: 10786836
    Abstract: A substrate processing method includes a chemical liquid supplying step of supplying a chemical liquid to a substrate, an elapsed period measuring step of measuring an after-the-end elapsed period, a recovery step of controlling the switching unit to be in a recovery guiding state, when, at a start of the chemical liquid supplying step, the after-the-end elapsed period is less than a predetermined first period, and a draining step of controlling the switching unit to be in a drain guiding state, in which the liquid led to the recovery space is led to the drain line, when, at the start of the chemical liquid supplying step, the after-the-end elapsed period is not less than the predetermined first period and then switching to the recovery guiding state based on establishment of a predetermined draining ending condition.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: September 29, 2020
    Assignee: SCREEN Holdings Co., Ltd.
    Inventors: Atsuyasu Miura, Kazuhiro Fujita, Hiroki Tsujikawa, Yuya Tsuchihashi, Kenji Takemoto
  • Patent number: 10741422
    Abstract: A substrate processing apparatus includes a substrate holder that holds a substrate, a processing liquid piping that is communicatively connected with a discharge port for discharging a processing liquid, a processing liquid supplier that supplies the processing liquid to the processing liquid piping, a suction unit for suctioning the processing liquid present inside the processing liquid piping, and a controller which controls the processing liquid supplying unit and the suction unit. The controller executes a processing liquid supplying step that supplies the processing liquid to the processing liquid piping and a suctioning step that suctions the processing liquid inside the processing liquid piping by the suction unit. The controller selectively executes a first suctioning step and a second suctioning step of the processing liquid.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: August 11, 2020
    Assignee: SCREEN Holdings Co., Ltd.
    Inventors: Michinori Iwao, Noriyuki Kikumoto, Shuichi Yasuda, Kazuhiro Fujita, Mizuki Osawa, Hiroshi Ebisui
  • Patent number: RE48309
    Abstract: In a projection optical system for use in an image projection apparatus illuminating an image display panel forming an image in accordance with a modulating signal with illumination light from a light source, the projection optical system includes first and second optical systems arranged along an optical path defining an upstream-downstream direction in the order described from upstream to downstream on the downstream side of the image display panel. The first optical system includes at least one dioptric system and has positive power. The second optical system includes at least one reflecting surface having power and has positive power. The image formed by the image display panel is formed as an intermediate image in the optical path, and the intermediate image is magnified and projected.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: November 17, 2020
    Assignee: RICOH COMPANY, LTD.
    Inventors: Atsushi Takaura, Kazuhiro Fujita, Nobuo Sakuma