Patents by Inventor Tomohiko Hayakawa

Tomohiko Hayakawa 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: 11835456
    Abstract: A substance identification device, a substance identification method and a substance identification program that can identify substances with high accuracy by means of light are provided. A substance identification device 10 includes a setting unit 11 that sets an irradiation condition of excitation light, an irradiation unit 12 that irradiates an object 100 with the excitation light under the irradiation condition, a measurement unit 13 that measures emission data for delayed fluorescence or phosphorescence of the object 100 which occurs in response to the irradiation with the excitation light, and an identification unit 15 that identifies a substance constituting the object based on the emission data and emission data for delayed fluorescence or phosphorescence which are measured when a plurality of substances are each irradiated with the excitation light under the irradiation condition.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: December 5, 2023
    Assignee: The University of Tokyo
    Inventors: Tomohiko Hayakawa, Masatoshi Ishikawa, Norimasa Kishi, Haruka Ikeda
  • Publication number: 20230168197
    Abstract: There are provided a state determination device, a state determination method, and a state determination program capable of determining a state of an object to be inspected. A state determination device 10 includes an irradiation unit 12 which irradiates an object to be inspected with excitation light under a predetermined irradiation condition, a measurement unit 13 which measures light emission data of light emission from the object to be inspected, which is generated with a delay with respect to the irradiation with the excitation light, and a determination unit 15 which determines a state of the object to be inspected by checking the light emission data against light emission data of light emission from the object to be inspected, which is measured in the case where the excitation light is emitted under an irradiation condition common to the light emission data for each state of a substance constituting the object to be inspected.
    Type: Application
    Filed: March 17, 2021
    Publication date: June 1, 2023
    Inventors: Tomohiko HAYAKAWA, Haruka IKEDA, Norimasa KISHI, Masatoshi ISHIKAWA
  • Publication number: 20220252633
    Abstract: A processing system, a marking method, a marker detected in this method, and a marking program that allow a predetermined area of a target to be detected as a marker without attaching a marker thereto are provided. The processing system includes: an irradiation unit that irradiates a target with irradiation light; an imaging unit that images emission light that the target itself emits in response to being irradiated with the irradiation light; and a detection unit that detects the emission light as a marker of the target based on an image taken by the imaging unit.
    Type: Application
    Filed: July 15, 2020
    Publication date: August 11, 2022
    Inventors: Tomohiko HAYAKAWA, Masatoshi ISHIKAWA, Haruka IKEDA
  • Publication number: 20220034809
    Abstract: A substance identification device, a substance identification method and a substance identification program that can identify substances with high accuracy by means of light are provided. A substance identification device 10 includes a setting unit 11 that sets an irradiation condition of excitation light, an irradiation unit 12 that irradiates an object 100 with the excitation light under the irradiation condition, a measurement unit 13 that measures emission data for delayed fluorescence or phosphorescence of the object 100 which occurs in response to the irradiation with the excitation light, and an identification unit 15 that identifies a substance constituting the object based on the emission data and emission data for delayed fluorescence or phosphorescence which are measured when a plurality of substances are each irradiated with the excitation light under the irradiation condition.
    Type: Application
    Filed: September 18, 2019
    Publication date: February 3, 2022
    Inventors: Tomohiko HAYAKAWA, Masatoshi ISHIKAWA, Norimasa KISHI, Haruka IKEDA
  • Publication number: 20180314058
    Abstract: Controlling the position of a light beam uses a dielectric elastomer itself as an optical element. By controlling the position of a light beam, it is possible to maintain high resolution, even where an object is at a distance. The main body is constituted by a dielectric elastomer. This dielectric elastomer is made substantially transparent to a light beam that is an object of control. The dielectric elastomer is made to have a refractive index that is different than a refractive index of a medium that exists around the main body and that the light beam will pass through. The feed section is configured to cause a change in the thickness of the main body by applying a voltage to the main body.
    Type: Application
    Filed: September 6, 2016
    Publication date: November 1, 2018
    Inventors: Masatoshi Ishikawa, Lihui Wang, Tomohiko Hayakawa
  • Patent number: 9787886
    Abstract: A blurless image capturing system sequentially acquires images with little blur, even in a situation where a camera moves. An image capturing camera unit and a mirror unit are both capable of continuous movement in at least a one-dimensional direction. The image capturing camera unit acquires an image of a physical object present within an object region by directing line of sight direction towards the object region by means of the mirror unit. The mirror body changes the line of sight from the image capturing camera unit. The drive unit changes an angle of the mirror body in a given angular velocity in accordance with movement of the image capturing camera unit and the mirror body In this way it is possible to keep the line of sight from the image capturing camera unit directed towards a physical object for a given time. The drive unit directs the line of sight from the image capturing camera unit towards another object region by driving the mirror body. The control unit controls operation of the drive unit.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: October 10, 2017
    Assignee: The University of Tokyo
    Inventors: Masatoshi Ishikawa, Hiromasa Oku, Tomohiko Hayakawa
  • Publication number: 20030194136
    Abstract: An image processing device and method for identifying an input image and a copier including such an image processing device and method. The image processing device forms a gradated image from the input image, determines whether the gradated image includes a specified pattern, extracts a portion of the input image corresponding to the specified pattern, and compares the extracted portion of the input image with a reference pattern to determine a degree of resemblance between the extracted portion of the input image and the reference pattern.
    Type: Application
    Filed: May 29, 2003
    Publication date: October 16, 2003
    Inventors: Tooru Fujii, Genki Yotsui, Tomohiko Hayakawa, Shinya Sonoda, Yoshinori Yamaguchi, Kouichi Oomae
  • Publication number: 20020114521
    Abstract: An image processing device and method for identifying an input image and a copier including such an image processing device and method. The image processing device forms a gradated image from the input image, determines whether the gradated image includes a specified pattern, extracts a portion of the input image corresponding to the specified pattern, and compares the extracted portion of the input image with a reference pattern to determine a degree of resemblance between the extracted portion of the input image and the reference pattern.
    Type: Application
    Filed: February 28, 2002
    Publication date: August 22, 2002
    Inventors: Tooru Fujii, Genki Yotsui, Tomohiko Hayakawa, Shinya Sonoda, Yoshinori Yamaguchi, Kouichi Oomae
  • Patent number: 6091844
    Abstract: An image processing device and method for identifying an input image and a copier including such an image processing device and method. The image processing device forms a gradated image from the input image, determines whether the gradated image includes a specified pattern, extracts a portion of the input image corresponding to the specified pattern, and compares the extracted portion of the input image with a reference pattern to determine a degree of resemblance between the extracted portion of the input image and the reference pattern.
    Type: Grant
    Filed: August 20, 1997
    Date of Patent: July 18, 2000
    Assignee: Omron Corporation
    Inventors: Tooru Fujii, Genki Yotsui, Tomohiko Hayakawa, Shinya Sonoda, Yoshinori Yamaguchi, Kouichi Oomae
  • Patent number: 5550938
    Abstract: An image scanner comprises an image sensor for inputting image data, a rotary encoder, LED and read out window for reading image data, a buffer D RAM, ROM and S RAM for storing image data, a LCD display for displaying input image data, a power source for supplying electrical power, and a memory card for communicating stored image data to a host, wherein the above elements are formed as a cordless, card-shaped unit.
    Type: Grant
    Filed: December 21, 1993
    Date of Patent: August 27, 1996
    Assignee: Omron Corporation
    Inventors: Tomohiko Hayakawa, Toshihiro Tashima
  • Patent number: 5272477
    Abstract: A remote control card having a temperature sensor for detecting and measuring an ambient temperature, an inputter for setting a desired temperature, a transmitter to transmit a temperature signal from the temperature sensor and a temperature signal set by the inputter to a remote place through its transmission and reception antenna, an instruction signal generator for generating an instruction signal for automatic adjustment of wind direction, wind velocity or temperature when the difference between the ambient temperature and a predetermined reference temperature, or between the set temperature and reference temperature exceeds a predetermined value, and a display for indicating the ambient temperature measured by the temperature sensor, the temperature set by the inputter, or a temperature inputted from an external signal transmitter and receiver. There is also a controller for use with the above card.
    Type: Grant
    Filed: April 21, 1992
    Date of Patent: December 21, 1993
    Assignee: Omron Corporation
    Inventors: Toshihiro Tashima, Tomohiko Hayakawa
  • Patent number: 5237589
    Abstract: A waveform shaping method including a step of detecting at least two items selected from three items i.e. a signal time width, a peak value level, and a signal failure time width of an input signal in a unit time length, a step of converting for each of the detected items a detected value into a function value based on a function representing likelihood of a logical value "1" or "0", a step of conducting a predetermined computation on the converted function values related to the at least two items to attain a result, and a step of discriminating the result of the computation by a predetermined threshold value to determine a logical value "1" or "0" for the input signal in the unit time length.
    Type: Grant
    Filed: June 14, 1991
    Date of Patent: August 17, 1993
    Assignee: Omron Corporation
    Inventors: Tomohiko Hayakawa, Seigo Inamine
  • Patent number: 4908485
    Abstract: A switch in which a switch unit is constituted by situating the free end of a first movable member disposed with a contact between stationary contacts opposing to each other along the vertical direction, while engaging the other end of the movable member to a fixed portion, pivoting one end of a second movable member to the free end of the first movable member while engaging a spring to the other end of the s econd movable member, thereby biasing the contact of the first movable member to one of the stationary contacts, and setting the other end of the second movable member to a switch operation portion, as well as a switch wherein a housing, which enhouses a push button unit containing an illumination unit, a socket unit to be connected to the illumination unit and a plunger to be connected to the push button switch, contains to secure the switch mechanism at the lower opening thereof and the lower end of the plunger is disposed to the switch operation portion.
    Type: Grant
    Filed: January 4, 1989
    Date of Patent: March 13, 1990
    Assignee: Omron Tateisi Electronics Co.
    Inventors: Sueaki Honda, Mitsuji Hayashi, Yasuhiro Kiyono, Takashi Niwa, Tomohiko Hayakawa
  • Patent number: 4556768
    Abstract: A limit switch assembly which comprises a head having an actuator, a switch having a push button protruding outwards from a first area thereof and movable between projected and depressed positions, and also having at least two terminal members protruding outwards from a second area thereof for the electrical connection with external wiring elements, a rubber hood configured to substantially tightly receive the switch therein except for the second area of the switch, and having a circumferential flange formed integrally therewith so as to extend outwards therefrom in a plane generally parallel to the first area of the switch, and a switch box having an opening defined therein at a location confronting the head, and accommodating therein the switch together with the rubber hood. The circumferential flange is, when the switch is so accommodated in the switch box, positioned exteriorly of the switch box and surrounding the opening in the switch box.
    Type: Grant
    Filed: January 12, 1984
    Date of Patent: December 3, 1985
    Assignee: Omron Tateisi Electronics Co.
    Inventors: Haruo Atsumi, Norio Iwakiri, Yasuhiro Kiyono, Tomohiko Hayakawa