Patents by Inventor Keiji Okada

Keiji Okada 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: 20210057772
    Abstract: A fuel cell includes a fuel cell stack, a casing, an application part, and a facilitating mechanism. The facilitating mechanism has a space that is provided between the casing and an upper current collector. The upper current collector and the casing are connected at inclined surfaces.
    Type: Application
    Filed: March 29, 2018
    Publication date: February 25, 2021
    Inventors: Keiji OKADA, Keiji ICHIHARA
  • Publication number: 20210021256
    Abstract: A multiplexer includes a transmit filter circuit, a receive filter circuit, and an additional circuit connected in parallel with a portion of the transmit filter circuit. The transmit filter circuit includes series resonators on a signal path connecting a common terminal and a first terminal, and parallel resonators on the signal path between a node and ground. The series resonator closest to the first terminal includes split resonators. The additional circuit includes a capacitor and a resonator group. The resonator group includes IDT electrodes side by side in the direction of acoustic wave propagation. A first end of the resonator group is connected to the common terminal with the capacitor interposed therebetween. A second end of the resonator group is connected to the signal path between two of the split resonators such that no capacitor is interposed between the second end and the signal path.
    Type: Application
    Filed: June 17, 2020
    Publication date: January 21, 2021
    Inventor: Keiji OKADA
  • Publication number: 20200412327
    Abstract: An acoustic wave resonator includes an IDT electrode that is on or above a piezoelectric plate and includes a periodic withdrawal weighted portion in each of a plurality of regions for at least two or more periods in an acoustic wave propagation direction. A periodic withdrawal weighted portion in at least one of the regions is different from a periodic withdrawal weighted portion in at least one of the other regions.
    Type: Application
    Filed: September 10, 2020
    Publication date: December 31, 2020
    Inventors: Noriyoshi OTA, Akira MICHIGAMI, Keiji OKADA
  • Patent number: 10798291
    Abstract: A task-assistance control apparatus that assists an operator performing a task while viewing a captured task image includes: a task-image acquisition circuit that acquires the task image; and a task determination circuit that determines task details on the basis of the type of a tool detected in the task image and the movement of the tool.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: October 6, 2020
    Assignee: OLYMPUS CORPORATION
    Inventors: Keiji Okada, Koji Sakai, Reisuke Osada, Mariko Ushio
  • Publication number: 20200311922
    Abstract: An cell observation system, comprising an image sensor capable of movement in a horizontal direction, and a processor, wherein the processor infers position where a colony will be generated or grown from position information or shape information of a plurality of cells within an image, based on the image of the cells that has been acquired by the image sensor, and controls position of the image sensor so as to perform imaging at the inferred position.
    Type: Application
    Filed: March 25, 2020
    Publication date: October 1, 2020
    Applicant: OLYMPUS CORPORATION
    Inventors: Satoshi HARA, Jun SUGAWARA, Keiji OKADA, Mikako HORI, Takuma DEZAWA, Masaaki YAMAGISHI, Kazuhiko OSA, Osamu NONAKA
  • Patent number: 10566641
    Abstract: A fuel cell system including: a solid oxide type fuel cell that is supplied with an anode gas and a cathode gas to generate an electric power; a fuel tank that stores a water-containing fuel containing water; a fuel supply passage that couples the fuel cell to the fuel tank; a reformer disposed on the fuel supply passage, the reformer reforming the water-containing fuel into the anode gas; a separator disposed on the fuel supply passage in an upstream side with respect to the reformer, the separator separating the water contained in the water-containing fuel; a detector disposed in the upstream side with respect to the reformer, the detector detecting or estimating a moisture content contained in the water-containing fuel; and a control unit that controls the separator. The control unit controls the separator on the basis of the moisture content detected or estimated by the detector.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: February 18, 2020
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Keiji Okada, Kentarou Yajima
  • Patent number: 10554895
    Abstract: An information processing apparatus includes: a visual field determination section 122 that determines, for a predetermined subject distance and on the basis of two images with different parallaxes that have been captured by a plurality of imaging units that perform three-dimensional image shooting, a common visual field range of the two images with different parallaxes; and a display controller 138 that displays, on a display, information on the determined common visual field range.
    Type: Grant
    Filed: April 5, 2018
    Date of Patent: February 4, 2020
    Assignee: Olympus Corporation
    Inventors: Hideaki Yoshida, Hisayuki Harada, Toshikazu Hayashi, Keiji Okada, Osamu Nonaka, Yuichi Tsuchimochi
  • Patent number: 10506151
    Abstract: An information acquisition apparatus includes: a configuration information acquisition section that acquires configuration information that indicates a configuration of a plurality of portions to be photographed; a determination section that determines a photographing state of a portion indicated in the configuration information; and a photographing guide screen creation section that creates the photographing guide screen, wherein the photographing guide screen creation section includes the acquired configuration information in the photographing guide screen, and adds, to the portion indicated in the configuration information, state information that indicates a photographing state based on the determination performed by the determination section.
    Type: Grant
    Filed: January 17, 2018
    Date of Patent: December 10, 2019
    Assignee: Olympus Corporation
    Inventors: Hideaki Yoshida, Hisayuki Harada, Toshikazu Hayashi, Keiji Okada, Yuichi Tsuchimochi, Osamu Nonaka
  • Publication number: 20190373164
    Abstract: A task-assistance control apparatus that assists an operator performing a task while viewing a captured task image includes: a task-image acquisition circuit that acquires the task image; and a task determination circuit that determines task details on the basis of the type of a tool detected in the task image and the movement of the tool.
    Type: Application
    Filed: May 24, 2019
    Publication date: December 5, 2019
    Applicant: OLYMPUS CORPORATION
    Inventors: Keiji OKADA, Koji SAKAI, Reisuke OSADA, Mariko USHIO
  • Patent number: 10469055
    Abstract: A filter device includes a longitudinally coupled resonator elastic wave filter that includes IDT electrodes including low acoustic velocity regions in outer side portions of center regions of the IDT electrodes and high acoustic velocity regions in outer side portions of the low acoustic velocity regions in a direction orthogonal or substantially orthogonal to an elastic wave propagation direction, and defines and functions as a first bandpass filter, and elastic wave resonators that are electrically connected to the longitudinally coupled resonator elastic wave filter.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: November 5, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Hideki Iwamoto, Keiji Okada, Yuichi Takamine, Tsutomu Takai
  • Publication number: 20190332952
    Abstract: An image pickup system includes an input/output modeling section 24, the input/output modeling section 24 creating, as a population, an image group obtained when a specific target is photographed, (access image), and generating an inference model by using, as teacher data, sequential images selected from the image group created as the population, based on whether the specific target can be accessed, wherein each image of the image group is associated with date and time information and/or position information, and the input/output modeling section 24 generates an inference model for determining based on the date and time information and/or the position information whether a process to the specific target is good or bad.
    Type: Application
    Filed: April 24, 2019
    Publication date: October 31, 2019
    Applicant: OLYMPUS CORPORATION
    Inventors: Osamu NONAKA, Kazuhiko OSA, Yoichi YOSHIDA, Hirokazu NOZAKI, Masahiro FUJIMOTO, Hidekazu IWAKI, Koji SAKAI, Keiji OKADA, Yoshihisa OGATA
  • Patent number: 10447240
    Abstract: An elastic wave device includes IDT electrodes stacked on a piezoelectric thin film. The IDT electrode includes a plurality of first electrode fingers and a plurality of second electrode fingers. A line connecting the distal ends of the first electrode fingers or the distal ends of the second electrode fingers extends obliquely with respect to a propagation direction of an elastic wave at an oblique angle ?. The oblique angle ? is about 0.4° or more and about 10° or less.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: October 15, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Takashi Yamane, Hideki Iwamoto, Keiji Okada, Syunsuke Kido, Masanori Otagawa, Ippei Hatsuda, Korekiyo Ito
  • Publication number: 20190020047
    Abstract: A fuel cell system including: a solid oxide type fuel cell that is supplied with an anode gas and a cathode gas to generate an electric power; a fuel tank that stores a water-containing fuel containing water; a fuel supply passage that couples the fuel cell to the fuel tank; a reformer disposed on the fuel supply passage, the reformer reforming the water-containing fuel into the anode gas; a separator disposed on the fuel supply passage in an upstream side with respect to the reformer, the separator separating the water contained in the water-containing fuel; a detector disposed in the upstream side with respect to the reformer, the detector detecting or estimating a moisture content contained in the water-containing fuel; and a control unit that controls the separator. The control unit controls the separator on the basis of the moisture content detected or estimated by the detector.
    Type: Application
    Filed: November 10, 2016
    Publication date: January 17, 2019
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Keiji OKADA, Kentarou YAJIMA
  • Patent number: 10171061
    Abstract: An elastic wave device includes a low acoustic velocity film, a piezoelectric film, and an IDT electrode, which are laminated on a high acoustic velocity material.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: January 1, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Hideki Iwamoto, Keiji Okada, Yuichi Takamine, Tsutomu Takai
  • Publication number: 20180332229
    Abstract: An information processing apparatus includes: a visual field determination section 122 that determines, for a predetermined subject distance and on the basis of two images with different parallaxes that have been captured by a plurality of imaging units that perform three-dimensional image shooting, a common visual field range of the two images with different parallaxes; and a display controller 138 that displays, on a display, information on the determined common visual field range.
    Type: Application
    Filed: April 5, 2018
    Publication date: November 15, 2018
    Inventors: Hideaki Yoshida, Hisayuki Harada, Toshikazu Hayashi, Keiji Okada, Osamu Nonaka, Yuichi Tsuchimochi
  • Publication number: 20180320102
    Abstract: A viscosity modifier for lubricating oils according to the present invention contains a resin (?), wherein the resin (?) satisfies specific requirements, and contains a grafted olefin polymer [R1] which is composed of a main chain and a side chain(s) and which satisfies the following requirements (i) and (ii). (i) The main chain is composed of a copolymer of ethylene and at least one ?-olefin selected from ?-olefins having from 3 to 12 carbon atoms, and contains the structural units derived from ethylene within the range of from 74 to 86 mol %. (ii) The side chain(s) is/are composed of a copolymer of ethylene and at least one ?-olefin selected from ?-olefins having from 3 to 12 carbon atoms, and contain(s) the structural units derived from ethylene within the range of from 30 to 65 mol %.
    Type: Application
    Filed: November 7, 2016
    Publication date: November 8, 2018
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Akio HAYAKAWA, Yasushi YANAGIMOTO, Atsushi YAMAMOTO, Tatsuya NAKAMURA, Tomoaki MATSUGI, Keiji OKADA
  • Publication number: 20180225839
    Abstract: An information acquisition apparatus that acquires a photographed image of a member includes a processor. The processor includes: a target portion determination section that determines a portion that corresponds to a specified member as a target portion in the photographed image; and a measurement section that measures the target portion in the photographed image so as to acquire a shape of the specified member. The target portion determination section determines a corresponding target portion from among portions in the photographed image by using, as the specified member, a member that exists on a side close to a direction in which a camera for photographing exists.
    Type: Application
    Filed: November 22, 2017
    Publication date: August 9, 2018
    Inventors: Hideaki YOSHIDA, Hisayuki Harada, Toshikazu HAYASHI, Keiji OKADA, Yuichi Tsuchimochi, Osamu NONAKA
  • Publication number: 20180213148
    Abstract: An information acquisition apparatus includes: a configuration information acquisition section that acquires configuration information that indicates a configuration of a plurality of portions to be photographed; a determination section that determines a photographing state of a portion indicated in the configuration information; and a photographing guide screen creation section that creates the photographing guide screen, wherein the photographing guide screen creation section includes the acquired configuration information in the photographing guide screen, and adds, to the portion indicated in the configuration information, state information that indicates a photographing state based on the determination performed by the determination section.
    Type: Application
    Filed: January 17, 2018
    Publication date: July 26, 2018
    Inventors: Hideaki Yoshida, Hisayuki Harada, Toshikazu Hayashi, Keiji Okada, Yuichi Tsuchimochi, Osamu NONAKA
  • Publication number: 20180097508
    Abstract: A filter device includes a longitudinally coupled resonator elastic wave filter that includes IDT electrodes including low acoustic velocity regions in outer side portions of center regions of the IDT electrodes and high acoustic velocity regions in outer side portions of the low acoustic velocity regions in a direction orthogonal or substantially orthogonal to an elastic wave propagation direction, and defines and functions as a first bandpass filter, and elastic wave resonators that are electrically connected to the longitudinally coupled resonator elastic wave filter.
    Type: Application
    Filed: December 4, 2017
    Publication date: April 5, 2018
    Inventors: Hideki Iwamoto, Keiji Okada, Yuichi Takamine, Tsutomu Takai
  • Patent number: 9854158
    Abstract: A display control unit 110 that displays an image adjustment window in which saturation of a specified hue is set by a two-dimensional coordinate in which a hue is made to correspond to an angular direction and levels of saturation of respective hues are made to correspond to distances in a radial direction and a CPU 140 that specifies the hue through first manipulation input, and sets saturation of the specified hue through second manipulation input are included, and the display control unit displays a polygon representing a relative relationship between levels of saturation of respective hues set by the CPU in the image adjustment window.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: December 26, 2017
    Assignee: Olympus Corporation
    Inventors: Keiji Okada, Sachie Yamamoto, Satoshi Miyazaki, Takeshi Kawawa, Naoki Fujii