Patents by Inventor Toshiaki Watanabe

Toshiaki Watanabe 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: 20190004343
    Abstract: The present invention provides an optical isolator module, including: a plurality of optical devices, each comprising a Faraday rotator and being configured to have an optical isolator function upon application of a magnetic field, a magnet to apply the magnetic field to the Faraday rotator in each of the plurality of optical devices, wherein at least two optical devices of the plurality of optical devices are configured to have the optical isolator functions in different directions from each other, and each magnetic field applied with the magnet is in the same direction. This provides an optical isolator module that can be prevented from degradation of the performance such as increase of insertion loss and degradation of isolation due to magnetic field interference even when a plurality of optical isolators are close to each other.
    Type: Application
    Filed: May 7, 2018
    Publication date: January 3, 2019
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventor: Toshiaki WATANABE
  • Patent number: 10168556
    Abstract: To provide a faraday rotator using a TGG ceramic sintered compact and a light isolator using the faraday rotator such that the influence of scattered light can be relatively reduced and overall characteristics degradation for the entire light isolator is minimized so that a high extinction ratio of at least 38 dB or greater is achieved. [Solution] The faraday rotator according to the present invention uses a TGG ceramic sintered compact having an average particle diameter of 0.2 to 5.0 ?m, and has a transmission beam diameter of 0.3 mm or more, the TGG ceramic sintered compact being preferably annealed.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: January 1, 2019
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventor: Toshiaki Watanabe
  • Publication number: 20180361245
    Abstract: A computer is caused to execute processing that determines, based on a first usage amount of a hardware resource which is allocated for processing corresponding to objects of a first category including an essential object located in a target scene, a second usage amount of the hardware resource that is able to be allocated for processing for objects of a second category different to the first category. Also, the computer is caused to execute processing of deciding, for objects of the second category which are located in the target scene, types of those objects and an outer appearance parameter for each type based on the second usage amount and information for deciding outer appearances for when the objects of the second category are located in the target scene.
    Type: Application
    Filed: August 27, 2018
    Publication date: December 20, 2018
    Applicant: SQUARE ENIX CO., LTD.
    Inventors: Masanori SATO, Atsushi TAWARA, Toshiaki WATANABE
  • Publication number: 20180356656
    Abstract: A small, low-cost 1.5-stage optical isolator has, in a forward direction, incoming light and outgoing light polarization directions that are parallel. The isolator includes a first Faraday rotator, a first polarizer, a second Faraday rotator and a second polarizer arranged in order on a light transmission path, and a magnet arranged so as to apply a same-direction magnetic field to the first Faraday rotator and the second Faraday rotator. Faraday rotation in the first Faraday rotator and Faraday rotation in the second Faraday rotator occur in opposite directions.
    Type: Application
    Filed: May 24, 2018
    Publication date: December 13, 2018
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventor: Toshiaki WATANABE
  • Patent number: 10126185
    Abstract: An input device 1 comprises a sensor circuit 91 which includes a pressure-sensitive sensor 50 and a first fixed resistor 914 which is electrically connected in series to the pressure-sensitive sensor 50. A resistance value Rf of the first fixed resistor 914 satisfies the following expression (1). In the expression (1), RsHL is a resistance value of the pressure-sensitive sensor 50 when ½ of the maximum working load of the pressure-sensitive sensor 50 is applied, and Co is a resistance correction coefficient within the range of 1/16 to 1/1.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: November 13, 2018
    Assignee: FUJIKURA LTD.
    Inventors: Toshiaki Watanabe, Makoto Takamatsu, Osamu Aoki, Yasuyuki Tachikawa
  • Publication number: 20180301945
    Abstract: Provided is a transmitter which can maximize the efficiency of rectification in a power-receiving electronic device irrespective of the distance therebetween. The transmitter transmits electric power to the electronic device through use of a microwave. The electronic device receives the microwave, converts the microwave to DC power, and uses the DC power as operation power.
    Type: Application
    Filed: February 22, 2018
    Publication date: October 18, 2018
    Applicant: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
    Inventors: Masaya ISHIDA, Toshiaki WATANABE, Shin-ichiro MATSUZAWA
  • Publication number: 20180248109
    Abstract: The present invention comprises: a step of applying a liquid composition for forming a PZT ferroelectric film; a step of drying the film applied with the liquid composition; a step of irradiating UV rays onto the dried film at a temperature of 150 to 200° C. in an oxygen-containing atmosphere; and after the application step, the drying step, and the UV irradiation step once, or more times, a step of firing for crystallizing a precursor film of the UV-irradiated ferroelectric film by raising a temperature with a rate of 0.5° C./second or higher in an oxygen-containing atmosphere or by raising a temperature with a rate of 0.2° C./second or higher in a non-oxygen containing atmosphere, followed by keeping the temperature at 400 to 500° C. An amount of liquid composition is set such that thickness of the ferroelectric film be 150 nm or more for each application and ozone is supplied during UV irradiation.
    Type: Application
    Filed: August 26, 2016
    Publication date: August 30, 2018
    Inventors: Yuki Tagashira, Reijiro Shimura, Yuzuru Takamura, Jinwang Li, Tatsuya Shimoda, Toshiaki Watanabe, Nobuyuki Soyama
  • Publication number: 20180199801
    Abstract: An endoscope apparatus includes a spectroscopic section disposed on an optical axis of return light from an object irradiated with visible light, first excitation light and second excitation light including a longer wavelength than a wavelength of the first excitation light and configured to separate and emit the light of a second wavelength band other than light of a first wavelength band, a first excitation light cut filter configured to block a wavelength band of one of the first excitation light and the second excitation light included in the return light, and a second excitation light cut filter configured to block a wavelength band of another excitation light of the first excitation light and the second excitation light and a wavelength band of the visible light.
    Type: Application
    Filed: March 15, 2018
    Publication date: July 19, 2018
    Applicant: OLYMPUS CORPORATION
    Inventors: Misa TSURUTA, Toshiaki WATANABE, Yuichi TAKEUCHI, Hiroki UCHIYAMA
  • Publication number: 20180162125
    Abstract: An ejection volume of a liquid can more finely be adjusted without lowering the ejection speed. The liquid jet head includes a plurality of nozzles adapted to jet the liquid, a piezoelectric actuator having a plurality of pressure chambers corresponding respectively to the nozzles and filled with the liquid, and adapted to vary a capacity of each of the pressure chambers, and a control section adapted to apply a pulse signal to the piezoelectric actuator to thereby expand and contract the capacity of the pressure chamber so as to jet the liquid with which the pressure chamber is filled. The control section generates a drive waveform including a plurality of the pulse signals adapted to expand the capacity of the pressure chamber, and sets a crest value of either of the pulse signals other than the pulse signal applied last to a different value from a crest value of another of the pulse signals in the drive waveform.
    Type: Application
    Filed: December 12, 2017
    Publication date: June 14, 2018
    Inventors: Takayuki SHIMIZU, Toshiaki WATANABE
  • Publication number: 20180156976
    Abstract: The present invention is a polarization independent optical isolator including two polarizing separation members each configured to separate polarization components of a transmitted light, an absorptive polarizer arranged on optical paths of separated transmitted lights and corresponding to a plane of polarization of each separated transmitted light, and a Faraday rotator, wherein the Faraday rotator is arranged downstream of the absorptive polarizer in a forward direction. As a result, there can be provided a polarization independent optical isolator that requires no stray light processing of separated optical feedback and shows high isolation.
    Type: Application
    Filed: November 21, 2017
    Publication date: June 7, 2018
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventor: Toshiaki Watanabe
  • Publication number: 20180000330
    Abstract: An endoscope system includes an image pickup section that picks up, light included in return light generated according to radiation of excitation light, and reference light, the return light including the fluorescence, light in a first wavelength band, and light in a second wavelength band; an observation image generation section that generates an observation image using first through third image signals obtained by picking up the return light; and a control section that controls the observation image generation section such that the observation image is generated, by causing the first image signal to be assigned to a green component, and by causing one image signal having a relatively large signal value, between the second image signal and the third image signal, to be assigned to a red component and another image signal having a relatively small signal value to be assigned to a blue component and the green component.
    Type: Application
    Filed: September 15, 2017
    Publication date: January 4, 2018
    Applicant: OLYMPUS CORPORATION
    Inventors: Yuichi TAKEUCHI, Toshiaki WATANABE
  • Publication number: 20170303775
    Abstract: An endoscope apparatus enables observation using reflected light of white light and observation using fluorescence, and includes: an insertion portion configured to be insertable into a subject; an objective optical system; a transmitting optical system; a camera unit; an optical splitter configured to split light exiting through the transmitting optical system; an optical filter disposed in the transmitting optical system or the camera unit, the optical filter being configured to transmit the reflected light of the white light and the fluorescence and block the reflected light of the excitation light; a first image pickup device for picking up an image of the reflected light of the white light exiting through the optical filter and the optical splitter; and a second image pickup device for picking up an image of the fluorescence exiting through the optical filter and the optical splitter.
    Type: Application
    Filed: July 11, 2017
    Publication date: October 26, 2017
    Applicant: OLYMPUS CORPORATION
    Inventors: Hiroki UCHIYAMA, Toshiaki WATANABE, Misa TSURUTA, Yuichi TAKEUCHI
  • Patent number: 9778495
    Abstract: A translucent sintered body having the following basic composition: Ca(1?x)YbxF(2+x), where 0.4?x?1.0, or preferably Ca(1?x?y)YbxRyF(2+x+y), 0.4?x?1.0, 0?y?0.5 wherein R is at least one element selected from Ce, Pr, Sm, Eu and Y.
    Type: Grant
    Filed: November 6, 2014
    Date of Patent: October 3, 2017
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventor: Toshiaki Watanabe
  • Publication number: 20170192258
    Abstract: To provide a faraday rotator using a TGG ceramic sintered compact and a light isolator using the faraday rotator such that the influence of scattered light can be relatively reduced and overall characteristics degradation for the entire light isolator is minimized so that a high extinction ratio of at least 38 dB or greater is achieved. [Solution] The faraday rotator according to the present invention uses a TGG ceramic sintered compact having an average particle diameter of 0.2 to 5.0 ?m, and has a transmission beam diameter of 0.3 mm or more, the TGG ceramic sintered compact being preferably annealed.
    Type: Application
    Filed: November 17, 2016
    Publication date: July 6, 2017
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventor: Toshiaki Watanabe
  • Patent number: 9687158
    Abstract: Provided is a fluorescence observation apparatus including a light source; a section generating a fluorescence image of an object; a section generating a reference image of the object; a section generating a corrected image in which emphasized are pixels of the reference image corresponding to pixels each having luminance value equal to or more than a first threshold value in the fluorescence image; a display unit displaying the reference image or the corrected image; a bleeding state determining section determining whether or not a bleeding region of the subject detected based on the reference image is more than a predetermined range; and a section switching between displaying the reference image on the display unit if the determining section determines that the region is not more than the range, and displaying the corrected on the image display if the determining section determines that the region is more than the range.
    Type: Grant
    Filed: April 1, 2014
    Date of Patent: June 27, 2017
    Assignee: OLYMPUS CORPORATION
    Inventor: Toshiaki Watanabe
  • Publication number: 20170086659
    Abstract: A diagnosis assisting apparatus includes a region extraction section configured to extract, from among fluorescence images obtained by picking up images of fluorescence emitted from a desired object, a reference region to be handled as a reference for a fluorescence generation state and a region of interest to be handled as a comparison target of the fluorescence generation state, respectively, a calculation processing section configured to acquire a reference value corresponding to a luminance value of each pixel included in the reference region and calculate a calculation value obtained by dividing the luminance value of the region of interest by a representative value, a storage section configured to store the calculation value calculated by the calculation processing section, and an image processing section configured to cause a display apparatus to display information indicating a variation over time of the calculation value stored in the storage section.
    Type: Application
    Filed: December 7, 2016
    Publication date: March 30, 2017
    Applicant: OLYMPUS CORPORATION
    Inventors: Hiroki UCHIYAMA, Toshiaki WATANABE, Yuichi TAKEUCHI
  • Patent number: 9595393
    Abstract: A dielectric-thin-film forming composition for forming a BST dielectric thin film, includes a liquid composition for forming a thin film which takes a form of a mixed composite metal oxide in which a composite oxide B including Cu (copper) is mixed into a composite metal oxide A expressed by a formula: Ba1-xSrxTiyO3 (wherein 0.2<x<0.6 and 0.9<y<1.1), the liquid composition is an organic metal compound solution in which a raw material for composing the composite metal oxide A and a raw material for composing the composite oxide B are dissolved in an organic solvent at a proportion having a metal atom ratio expressed by the formula shown above and a molar ratio between A and B in the range of 0.001?B/A<0.15.
    Type: Grant
    Filed: August 30, 2011
    Date of Patent: March 14, 2017
    Assignee: MITSUBISHI MATERIALS CORPORATION
    Inventors: Guillaume Guegan, Toshiaki Watanabe, Nobuyuki Soyama, Hideaki Sakurai
  • Publication number: 20170020377
    Abstract: A fluorescence observation endoscope system includes a light source apparatus configured to include one light emitting body configured to be able to emit light in a first wavelength band which is radiated onto medicine administered to a living body to thereby emit fluorescence, light in a second wavelength band and light in a third wavelength band, a light guide, an image pickup section configured to include an image pickup device to simultaneously receive the fluorescence and reflected light of the light in the second and third wavelength bands, and a signal processing apparatus configured to generate color display images from an image pickup signal of the fluorescence and second and third image pickup signals acquired from the reflected light of the light in the second and third wavelength bands.
    Type: Application
    Filed: October 4, 2016
    Publication date: January 26, 2017
    Applicant: OLYMPUS CORPORATION
    Inventors: Yuichi TAKEUCHI, Toshiaki WATANABE
  • Publication number: 20170024049
    Abstract: An input device 1 includes a panel unit 10, a pressure-sensitive sensor 60 which detects a pressing force applied through the panel unit 10, a seal member 70 which is disposed outside the pressure-sensitive sensors 60, and a support member 80 which supports the panel unit 10 through the pressure-sensitive sensors 60 and the seal member 70. The thickness of the pressure-sensitive sensors 60 is relatively thinner than the thickness of the seal member 70, a space which is formed between the panel unit 10 and the support member 80 includes a first part S1 where the pressure-sensitive sensors 60 are arranged and the second part S2 where the seal member 70 is arranged, and the distance of the first part S1 is relatively narrower than the distance of the second part S2.
    Type: Application
    Filed: November 27, 2014
    Publication date: January 26, 2017
    Applicant: FUJIKURA LTD.
    Inventors: Yasuyuki TACHIKAWA, Toshimizu TOMITSUKA, Makoto TAKAMATSU, Osamu AOKI, Toshiaki WATANABE
  • Patent number: 9533917
    Abstract: A light-transmitting bismuth-substituted rare-earth iron garnet-type calcined body expressed by R3-xBixYe5O12 and having an average crystal particle diameter of 0.3-10 micrometers, and a magneto-optical device using said calcined body; wherein R is at least one kind of elements selected from a group consisting of Y and lanthanoids, and x is a number from 0.5 to 2.5.
    Type: Grant
    Filed: December 2, 2013
    Date of Patent: January 3, 2017
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventor: Toshiaki Watanabe