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: 20230288791
    Abstract: A light source device includes: a light source to emit light including first color light of excitation light; an optical element including multiple lenses on at least one surface of the optical element; a condenser optical system to condense the first color light; a wavelength converter to convert the first color light into second color light; and a color light separator to separate the first color light and the second color light. The light source, the optical element, the condenser optical system, the wavelength converter, and the color light separator are disposed in this order from the light source. The multiple lenses of the optical element has: a first divergence angle in a first direction along a plane of the multiple lenses; and a second divergence angle in a second direction orthogonal to the first direction, and the first divergence angle is smaller than a second divergence angle.
    Type: Application
    Filed: February 28, 2023
    Publication date: September 14, 2023
    Inventors: Yohei TAKANO, Makoto HIRAKAWA, Takashi SASAKI, Kasumi NAKAMURA, Kazuhiro FUJITA
  • Publication number: 20230265073
    Abstract: The present invention provides novel benzazepine compounds of Formula (1), or salts thereof, having vasopressin V1a and V2 antagonisms, and medical uses thereof. In the formula, R1 is optionally substituted C1-6 alkyl, etc.; L is —C(?O)—NH—, etc.; Ring A1 is a hydrocarbon ring, etc.; Ring A2 is a hydrocarbon ring, etc.; and each of Rings A1 and A2 may have at least one substituent.
    Type: Application
    Filed: April 27, 2023
    Publication date: August 24, 2023
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Keizo KAN, Masatoshi TAKUWA, Hirotaka TANAKA, Hideto FUJIWARA, Hokuto YAMABE, Satoshi MATSUDA, Kazuhiro OHDACHI, Taiki HANARI, Yasuhiro MENJO, Tatsuya URUSHIMA, Shigekazu FUJITA
  • Publication number: 20230259012
    Abstract: An illumination device includes: a first light source to emit a first light beam having a first intensity distribution in a first direction; a second light source to emit a second light beam having a second intensity distribution in a second direction different from the first direction; a light combiner to combine the first light beam and the second light beam; and a light homogenizer to homogenize the first intensity distribution and the second intensity distribution to generate a third light beam. The light combiner is a polygonal prism including: a reflection surface to generate a reflection light beam; and multiple transmission surfaces to generate a transmission light beam. The light homogenizer homogenizes the reflection light beam and the transmission light beam and emits the third light beam. The first light beam and the second light beam propagate in different optical paths in the light combiner.
    Type: Application
    Filed: February 9, 2023
    Publication date: August 17, 2023
    Inventors: Takashi SASAKI, Yohei TAKANO, Kazuhiro FUJITA, Kasumi NAKAMURA
  • Publication number: 20230251558
    Abstract: A light source device includes: a first light source configured to emit a first excitation beam; a second light source different from the first light source, a second light source configured to emit a second excitation beam; an optical combiner configured to: reflect or transmit the first excitation beam; and reflect or transmit the second excitation beam; a first wavelength converter including a first phosphor to emit a first fluorescent beam proceeding in a first optical path; and a second wavelength convertor including a second phosphor to emit a second fluorescent beam proceeding in a second optical path. The optical combiner is at a point at which the first optical path of the first fluorescent beam intersects the second optical path of the second fluorescent beam.
    Type: Application
    Filed: February 2, 2023
    Publication date: August 10, 2023
    Inventors: Kasumi NAKAMURA, Yohei TAKANO, Kazuhiro FUJITA
  • Publication number: 20230219162
    Abstract: A pattern forming apparatus for a base material includes a holding unit and a pattern forming unit. The holding unit is configured to hold a base material on which one of a protrusion shape portion and a recess shape portion is formed. The pattern forming unit is configured to form a pattern on the base material. The pattern is formed on at least one of the protrusion shape portion, the recess shape portion, a periphery of the recess shape portion, a periphery of the protrusion shape portion, a portion along the protrusion shape portion, and a portion along the recess shape portion.
    Type: Application
    Filed: March 1, 2023
    Publication date: July 13, 2023
    Inventors: Kazuhiro AKATSU, Rie HIRAYAMA, Kazuhiro FUJITA, Shoichiro SAKAI
  • Publication number: 20230202703
    Abstract: A label is attached to a base material in a container. The container includes patterns formed in a plurality of stages on the base material by laser irradiation. The patterns may include an aggregation of dots formed by the laser irradiation. The container may further include a first information region and a second information region. Information including a numeral, a symbol, or an image is made visible by the patterns in the first information region. The second information region is formed on the label. Information including a numeral, a symbol, or an image is made visible in the second information region.
    Type: Application
    Filed: March 1, 2023
    Publication date: June 29, 2023
    Inventors: Masaaki ITOH, Rie HIRAYAMA, Kazuhiro FUJITA, Shoichiro SAKAI
  • Patent number: 11677914
    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: Grant
    Filed: October 30, 2020
    Date of Patent: June 13, 2023
    Assignee: RICOH COMPANY, LTD.
    Inventors: Yohei Takano, Kazuhiro Fujita, Kasumi Nakamura
  • Patent number: 11673878
    Abstract: The present invention provides novel benzazepine compounds of Formula (1), or salts thereof, having vasopressin V1a and V2 antagonisms, and medical uses thereof. In the formula, R1 is optionally substituted C1-6 alkyl, etc.; L is —C(?O)—NH—, etc.; Ring A1 is a hydrocarbon ring, etc.; Ring A2 is a hydrocarbon ring, etc.; and each of Rings A1 and A2 may have at least one substituent.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: June 13, 2023
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Keizo Kan, Masatoshi Takuwa, Hirotaka Tanaka, Hideto Fujiwara, Hokuto Yamabe, Satoshi Matsuda, Kazuhiro Ohdachi, Taiki Hanari, Yasuhiro Menjo, Tatsuya Urushima, Shigekazu Fujita
  • Patent number: 11630288
    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: Grant
    Filed: August 31, 2021
    Date of Patent: April 18, 2023
    Assignee: RICOH COMPANY, LTD.
    Inventors: Yohei Takano, Shigeaki Imai, Kazuhiro Fujita, Makoto Hirakawa
  • Publication number: 20230110183
    Abstract: A light-source device, an image projection apparatus, and a display device. The light-source device includes a light source to emit light, an optical element having a lens array on one side or both sides of which a plurality of lenses are arrayed with distance from each other, the distance between a pair of vertices of an adjacent pair of the plurality of lenses of the optical element being equal to or less than one-quarter of width of light flux of the light incident on the optical element and a wavelength conversion element to convert a wavelength of the light emitted from the light source and passed through the optical element. An image projection apparatus includes the light-source device, a light mixing element to mix the light emitted from the light-source device to uniformize the light and an illumination optical system to emit the light uniformized by the light mixing element.
    Type: Application
    Filed: September 16, 2022
    Publication date: April 13, 2023
    Inventors: Yohei TAKANO, Makoto HIRAKAWA, Kazuhiro FUJITA, Takashi SASAKI
  • Publication number: 20230043477
    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: October 20, 2022
    Publication date: February 9, 2023
    Applicant: Ricoh Company, Ltd.
    Inventors: Kasumi NAKAMURA, Yohei TAKANO, Makoto HIRAKAWA, Kazuhiro FUJITA
  • Publication number: 20230042973
    Abstract: A wavelength conversion plate includes a conversion region and a reflection region on a base surface. The conversion region includes a wavelength conversion member configured to receive excitation light and generate a color different from a color of the excitation light. The reflection region is configured to reflect the excitation light. The reflection region includes a transmissive diffusion surface, a transmissive layer, and a reflection surface. The transmissive diffusion surface is configured to diffuse the excitation light. The transmissive layer is configured to transmit the excitation light. The reflection surface is configured to reflect the excitation light. The transmissive diffusion surface is in a position separate from a surface closer to the base surface, of the wavelength conversion member, toward a direction from which the excitation light is incident.
    Type: Application
    Filed: July 25, 2022
    Publication date: February 9, 2023
    Inventors: Kazuhiro FUJITA, Yohei TAKANO, Kasumi NAKAMURA
  • Patent number: 11568839
    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: Grant
    Filed: December 22, 2020
    Date of Patent: January 31, 2023
    Assignee: Yamaha Corporation
    Inventors: Keita Arimoto, Masafumi Fuke, Kazuhiro Fujita, Akira Miki
  • Publication number: 20220410608
    Abstract: A substrate having a first pattern formed on a surface or in an inside of the substrate, or on the surface and in the inside of the substrate, wherein the first pattern is constituted by an aggregate of second patterns.
    Type: Application
    Filed: December 11, 2020
    Publication date: December 29, 2022
    Inventors: Rie HIRAYAMA, Shigeaki IMAI, Hiroto TACHIBANA, Nobuyuki ARAI, Yoichi ICHIKAWA, Hirotoshi NAKAYAMA, Shohta KOBASHIGAWA, Asato TAMURA, Takuei NISHIO, Kazuhiro FUJITA, Muneaki IWATA
  • Patent number: 11537037
    Abstract: A light source device includes: multiple light source units each including a light source to emit a first color light beam, each of the multiple light source units configured to: convert at least part of the first color light beam into a second color light beam emitted from an emitting region; and emit the second color light beam to form a conjugate image; and a light combiner to combine the conjugate images formed by the multiple light source units to form a combined image, in which the conjugate images partially overlap each other, on a plane of an entrance surface of a light uniformizing element along a central axis of the light uniformizing element. A conditional expression below is satisfied: 1.3>SC/SI>0.7 where SC is an area of the combined image, and SI is an area of the entrance surface of the light uniformizing element.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: December 27, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Yohei Takano, Kazuhiro Fujita, Makoto Hirakawa, Shigeaki Imai
  • Publication number: 20220388724
    Abstract: Provided is a container including a container body, and an image on the container body. The image includes a plurality of dented portions and non-dented portions. Each of the dented portions is formed of a plurality of processed portions. The plurality of processed portions are disposed linearly, contacting or overlapping each other along a first scanning direction. A width of each of the dented portions in a second scanning direction orthogonal to the first scanning direction changes cyclically along the first scanning direction. Each of the dented portions has bossed portions along the first scanning direction between adjoining ones of the processed portions.
    Type: Application
    Filed: May 20, 2022
    Publication date: December 8, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Keiichi SERIZAWA, Kazuhiro FUJITA, Masako YOSHII, Makoto HINO, Kazuhiro AKATSU
  • Patent number: 11521865
    Abstract: A substrate processing method includes a liquid discharging step of discharging liquid through a nozzle toward a predetermined supply region on the main surface of a substrate held on a substrate holding unit within a chamber, a humidified gas supplying step of supplying humidified gas with a humidity higher than the humidity within the chamber onto the main surface of the substrate to remove electrical charges carried on the substrate, and a spin-drying step of rotating the substrate about a predetermined rotational axis after the liquid discharging step to spin off the liquid component from the main surface of the substrate. The humidified gas supplying step is started before the start of the liquid discharging step and ended at a predetermined termination timing after the start of the liquid discharging step and before the spin-drying step.
    Type: Grant
    Filed: April 17, 2018
    Date of Patent: December 6, 2022
    Inventors: Hiroki Tsujikawa, Masato Tanaka, Tsuyoshi Okumura, Atsuyasu Miura, Makoto Takaoka, Nobuyuki Miyaji, Kazuhiro Fujita, Naoki Sawazaki, Takashi Akiyama, Yuya Tsuchihashi
  • Patent number: 11506967
    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: Grant
    Filed: December 2, 2020
    Date of Patent: November 22, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Kasumi Nakamura, Yohei Takano, Makoto Hirakawa, Kazuhiro Fujita
  • Publication number: 20220347641
    Abstract: A chemical liquid preparation method of preparing a chemical liquid for treating a film formed on a substrate, including a gas dissolving process in which an oxygen-containing gas and an inert-gas-containing gas are dissolved in the chemical liquid by supplying the oxygen-containing gas which contains oxygen gas and the inert-gas-containing gas which contains an inert gas to a chemical liquid, wherein in the gas dissolving process, a dissolved oxygen concentration in the chemical liquid is adjusted by setting a mixing ratio between the oxygen-containing gas and the inert-gas-containing gas supplied to the chemical liquid as a mixing ratio corresponding to a predetermined target dissolved oxygen concentration.
    Type: Application
    Filed: July 19, 2022
    Publication date: November 3, 2022
    Applicant: SCREEN Holdings Co., Ltd.
    Inventors: Hajime NISHIDE, Takashi IZUTA, Takatoshi HAYASHI, Katsuhiro FUKUI, Koichi OKAMOTO, Kazuhiro FUJITA, Atsuyasu MIURA, Kenji KOBAYASHI, Sei NEGORO, Hiroki TSUJIKAWA
  • Publication number: 20220345671
    Abstract: A light guide optical device includes an optical path combiner including: a first deflector to deflect first light incident from a first direction to an emission direction; a second deflector to deflect second light incident from a second direction different from the first direction, to the emission direction; and a transmission portion between the first deflector and the second deflector, the transmission portion to transmit third light incident from a third direction different from each of the first direction and the second direction, to the emission direction. The optical path combining unit combines the first light, the second light, and the third light, and emits the combined light to the mission direction.
    Type: Application
    Filed: April 20, 2022
    Publication date: October 27, 2022
    Inventors: Takashi SASAKI, Yohei TAKANO, Kasumi NAKAMURA, Kazuhiro FUJITA, Makoto HIRAKAWA, Shigeaki IMAI