Patents by Inventor Tadashi Watanabe

Tadashi 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: 20240102927
    Abstract: A terahertz-wave signal input unit 11 configured to input a terahertz-wave signal from a spectroscopic apparatus 200 for detecting a terahertz wave acting on a photoresist, and a terahertz-wave signal analysis unit 12 configured to analyze a terahertz-wave signal input by the terahertz-wave signal input unit 11 to acquire characteristic information of the photoresist are included, and spectroscopic processing using a terahertz wave is performed on a photoresist to acquire characteristic information of the photoresist (a characteristic value or a correlation characteristic indicating a relationship between a plurality of elements including the characteristic value).
    Type: Application
    Filed: September 28, 2020
    Publication date: March 28, 2024
    Inventors: Akira WATANABE, Tadashi OKUNO, Takeji UEDA
  • Patent number: 11932025
    Abstract: A recording method for performing recording on a recording medium includes a processing liquid attaching step of attaching a processing liquid including an aggregating agent to the recording medium, a white ink attaching step of attaching a white ink composition including a white coloring material to the recording medium, and a non-white ink attaching step of attaching a non-white ink composition including a non-white coloring material to the recording medium, in which attachment of the white ink composition and attachment of the non-white ink composition are performed by relative scanning of a recording head and the recording medium, and attachment of the white ink composition and attachment of the non-white ink composition are performed on a scanning region of the recording medium by a relative scanning.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: March 19, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tadashi Watanabe, Ippei Okuda
  • Patent number: 11932022
    Abstract: Convenience of an ink bottle and a bottle set is improved. An ink bottle includes: a container portion that contains ink; a guiding portion that is formed in one end portion of the container portion, and includes an outflow port from which the ink in the container portion flow out; and a cover that covers at least an end portion of the container portion on the opposite side of the guiding portion.
    Type: Grant
    Filed: February 2, 2023
    Date of Patent: March 19, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Taku Ishizawa, Tadahiro Mizutani, Ryoichi Tanaka, Manabu Akahane, Koichi Toba, Takumi Nagashima, Yoshiaki Shimizu, Tadashi Watanabe, Noriyuki Fukasawa
  • Patent number: 11817233
    Abstract: An image pickup apparatus includes, between a first unit including an image pickup device and a second unit including a video processing circuit, a waveguide path through which a millimeter wave or a submillimeter wave is transmitted, the second unit includes a millimeter-wave carrier-wave generation circuit and a demodulator configured to regenerate, from a millimeter-wave modulated wave generated by the first unit and received through the waveguide path, a video signal generated by the image pickup device, and the first unit includes a processing-transmission circuit configured to receive a millimeter-wave carrier wave through the waveguide path, generate a millimeter-wave modulated wave by superimposing the video signal generated by the image pickup device on the millimeter-wave carrier wave, and transmit the millimeter-wave modulated wave toward the waveguide path.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: November 14, 2023
    Assignee: OLYMPUS CORPORATION
    Inventor: Tadashi Watanabe
  • Publication number: 20230346209
    Abstract: An insertion device includes: an insertion portion configured to be inserted into a subject; an imaging unit that includes an imaging element and an optical element and that is arranged at a distal end of the insertion portion, the imaging unit being configured to capture an internal image of the subject to generate an image signal; a transmitter that is arranged adjacent to a proximal end side of the imaging unit in the insertion portion, the transmitter being configured to transmit the image signal using millimeter waves or submillimeter waves; and a waveguide that is arranged on a proximal end side of the transmitter in the insertion portion and at a position distant from the transmitter with a distal end surface of the waveguide facing the transmitter, the waveguide being configured to propagate the millimeter waves or submillimeter waves.
    Type: Application
    Filed: July 10, 2023
    Publication date: November 2, 2023
    Applicant: OLYMPUS CORPORATION
    Inventor: Tadashi WATANABE
  • Publication number: 20230311522
    Abstract: An ink refill container for refilling a printer having an ink inlet flow-path member with ink includes: a container body portion configured to store ink; and an ink-outlet forming portion coupled to the container body portion and having a cylindrical portion forming an ink outlet. The ink-outlet forming portion includes a valve disposed in the cylindrical portion and configured to be opened by the ink inlet flow-path member inserted in the cylindrical portion, and closed by withdrawal of the ink inlet flow-path member from the cylindrical portion; a sealing member disposed at the ink outlet and configured to be in contact with the valve in a closed state of the valve; a holder member configured to hold at least one of the valve and the sealing member; and a fixing portion configured to fix the holder member to the cylindrical portion.
    Type: Application
    Filed: March 28, 2023
    Publication date: October 5, 2023
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tadahiro MIZUTANI, Yoshihiro KOIZUMI, Taku ISHIZAWA, Shun OYA, Tadashi WATANABE, Seigo MIYAZAWA
  • Patent number: 11724507
    Abstract: An ink refilling container includes a bottle and a cap. The bottle includes an ink outlet forming portion including an ink outlet and a valve. The valve has valve segments segmented by slits. The cap includes a top portion, which faces the ink outlet when the cap is put on the bottle. A protruding portion extending in the central axis direction is provided at the center of the top portion. An annular-shaped sealing portion is provided on the top portion radially outside the protruding portion. The radius of the protruding portion is less than the length of the slit. In a sealed state wherein the cap is in thread engagement with the bottle and wherein the sealing portion seals the ink outlet, the tip end of the protruding portion is inserted in the inside of the bottle through the slits at the center region of the ink outlet.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: August 15, 2023
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Noriyuki Fukasawa, Seigo Miyazawa, Tadashi Watanabe
  • Publication number: 20230233061
    Abstract: An endoscope system includes: an endoscope including an insertion portion configured to be inserted into a subject; a distance measurement unit configured to measure a distance between the insertion portion and an object by transmitting and receiving millimeter waves or submillimeter waves; and a flexible waveguide that has one end that is connected to the distance measurement unit and another end that is exposed to outside from a distal end of the insertion portion, the flexible waveguide being configured to propagates the millimeter waves or submillimeter waves transmitted and received by the distance measurement unit.
    Type: Application
    Filed: April 4, 2023
    Publication date: July 27, 2023
    Applicant: OLYMPUS CORPORATION
    Inventor: Tadashi WATANABE
  • Patent number: 11693175
    Abstract: A braider includes: a plurality of cylindrical bobbins around which flat foil yarns are wound so as not to be inverted; a plurality of carriers to which the bobbins are rotatably attached, the plurality of carriers being configured to feed out the flat foil yarns from the bobbins; a core material supply mechanism configured to supply a core material to be placed inside the outer conductor; a waveguide take-out mechanism configured to take out the flexible waveguide after the outer conductor is formed; and a carrier movement determination mechanism configured to determine movement of the carriers so that there are always three or more cross points formed by the individual flat foil yarns with other ones of the flat foil yarns in an enlarged portion before the flat foil yarns form a braided shape.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: July 4, 2023
    Assignees: OLYMPUS CORPORATION, FUKUI PREFECTURAL GOVERNMENT
    Inventors: Tadashi Watanabe, Keigo Ito, Shinji Suesada, Tetsuhiko Murakami
  • Publication number: 20230173814
    Abstract: Convenience of an ink bottle and a bottle set is improved. An ink bottle includes: a container portion that contains ink; a guiding portion that is formed in one end portion of the container portion, and includes an outflow port from which the ink in the container portion flow out; and a cover that covers at least an end portion of the container portion on the opposite side of the guiding portion.
    Type: Application
    Filed: February 2, 2023
    Publication date: June 8, 2023
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Taku ISHIZAWA, Tadahiro MIZUTANI, Ryoichi TANAKA, Manabu AKAHANE, Koichi TOBA, Takumi NAGASHIMA, Yoshiaki SHIMIZU, Tadashi WATANABE, Noriyuki FUKASAWA
  • Publication number: 20230168490
    Abstract: An optical scanning device includes an optical deflector, a driving unit, and a detection unit. The optical deflector has a mirror part and an H actuator. The driving unit supplies both of a first driving voltage and a second driving voltage to a first set of piezoelectric divided sections and a second set of piezoelectric divided sections of the H actuator during a first driving period, and supplies the driving voltage only to one set out of the first set and the second set of piezoelectric divided sections during a second driving period. The detection unit detects a deflection angle ? based on the output voltage of the other set of piezoelectric divided sections during the second driving period.
    Type: Application
    Filed: March 19, 2021
    Publication date: June 1, 2023
    Applicant: STANLEY ELECTRIC CO., LTD.
    Inventor: Tadashi WATANABE
  • Publication number: 20230136126
    Abstract: An ink replenishment container includes a container main body, an ink outlet forming section, and a valvehaving elasticity. An exterior of the valve is circular in plan view and has two or more slits that extend from a center toward a circumference so as to be joined at the center, two inclined surfaces toward the slit are formed for each of the slits so as to interpose the slit therebetween like a valley when viewed from the ink outlet side, and when a pressure difference positive in a direction from an inside of the ink replenishment container to an outside thereof acts on inner sides of the two inclined surfaces, the slits are closed, and when a pressure difference positive in a direction from the outside of the ink replenishment container to the inside thereof acts on outer sides of the two inclined surfaces, the slits are opened.
    Type: Application
    Filed: November 3, 2022
    Publication date: May 4, 2023
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tadahiro MIZUTANI, Yoshihiro KOIZUMI, Taku ISHIZAWA, Tadashi WATANABE
  • Publication number: 20230109391
    Abstract: There is provided an ink replenishment container for replenishing ink into an ink tank via an ink inlet flow path member, the ink replenishment container including a container main body, an ink outlet forming portion having a tubular portion, a spring valve having a valve body mounted in the tubular portion and a spring for urging the valve body toward the ink outlet, and a sealing member mounted in the tubular portion and having a sealing end configured to contact with the valve body in a valve close state, in which the sealing member has a cylindrical inner peripheral wall and an elastic membrane portion extending from the inner peripheral wall toward a center, and the elastic membrane portion is formed with a slit-shaped gap passing through a center portion including the center.
    Type: Application
    Filed: September 29, 2022
    Publication date: April 6, 2023
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tadahiro MIZUTANI, Yoshihiro KOIZUMI, Shun OYA, Takumi NAGASHIMA, Tadashi WATANABE, Manabu YAMAGUCHI
  • Publication number: 20230091427
    Abstract: A jointed strand includes a superposed portion in which a first strand end in which fibers are oriented in one direction and a second strand end in which fibers are oriented in one direction are superposed; and a joint portion in which fibers of the first strand and the second strand are interlaced at the superposed portion, wherein the joint portion has a slit extending in a fiber orientation direction and a joint spot adjacent to the slit at one location or a plurality of locations aligned in a direction orthogonal to the fiber orientation direction, and monofilaments of the first strand and the second strand are interlaced at the joint spot.
    Type: Application
    Filed: March 15, 2021
    Publication date: March 23, 2023
    Inventors: Yusuke Yamanaka, Takafumi Hashimoto, Yasukazu Ono, Tadashi Watanabe
  • Publication number: 20230088212
    Abstract: There is provided an ink replenishment container for replenishing ink into an ink tank via an ink inlet flow path member having a plurality of flow paths, the ink replenishment container including a container main body, an ink outlet forming portion, and an outlet valve unit. The outlet valve unit includes a valve housing mounted to provide a gap with an inner peripheral surface of a tubular portion in the tubular portion, a sealing member, and a valve body movable between a valve close state in contact with the sealing member and a valve open state separated from the sealing member. The valve body has a partition contact portion capable of contacting a partition of the ink inlet flow path member. The valve housing has a through-hole that communicates with the gap, and the through-hole communicates with the ink inlet flow path member in the valve open state.
    Type: Application
    Filed: September 16, 2022
    Publication date: March 23, 2023
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tadahiro MIZUTANI, Yoshihiro KOIZUMI, Taku ISHIZAWA, Tadashi WATANABE
  • Publication number: 20230077555
    Abstract: A reinforcing-fiber composite material includes not less than 20 wt % but less than 70 wt % of discontinuous reinforcing fibers, and a matrix resin, wherein at least a portion of the discontinuous reinforcing fibers forms a fiber aggregation, and at least one bundle of the fiber aggregation has a surface that, when projected onto a two-dimensional plane, has at least one region where the number of monofilaments constituting the aggregation is reduced, at opposite ends in a longitudinal direction of a minimum circumscribed rectangle of the projected surface, and at portions other than the opposite ends.
    Type: Application
    Filed: March 1, 2021
    Publication date: March 16, 2023
    Inventors: Katsuhiro Miyoshi, Tadashi Watanabe, Yasukazu Ono
  • Patent number: 11597207
    Abstract: Convenience of an ink bottle and a bottle set is improved. An ink bottle includes: a container portion that contains ink; a guiding portion that is formed in one end portion of the container portion, and includes an outflow port from which the ink in the container portion flow out; and a cover that covers at least an end portion of the container portion on the opposite side of the guiding portion.
    Type: Grant
    Filed: November 2, 2021
    Date of Patent: March 7, 2023
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Taku Ishizawa, Tadahiro Mizutani, Ryoichi Tanaka, Manabu Akahane, Koichi Toba, Takumi Nagashima, Yoshiaki Shimizu, Tadashi Watanabe, Noriyuki Fukasawa
  • Patent number: 11549461
    Abstract: An aluminum alloy having excellent high temperature strength and thermal conductivity; and an internal combustion engine piston including the alloy. The aluminum alloy includes 11.0-13.0% Si, ?0.3% Fe, 0.3-2.0% Mg, 2.0-5.0% Cu, 3.0-4.0% Ni, 0.2-1.0% Mn, 0.05-0.4% Cr, and 0.05-0.4% V, with the remainder including aluminum and unavoidable impurities.
    Type: Grant
    Filed: August 29, 2016
    Date of Patent: January 10, 2023
    Assignees: NIPPON LIGHT METAL COMPANY, LTD., ART METAL MFG. CO., LTD.
    Inventors: Izumi Yamamoto, Kazuhiro Oda, Hiroshi Horikawa, Katsumi Fukaya, Takashi Seki, Tadashi Watanabe
  • Publication number: 20220310803
    Abstract: A semiconductor device includes a substrate, a nitride semiconductor layer formed on the substrate, a source electrode and a drain electrode formed in the nitride semiconductor layer. The source electrode and drain electrode are arranged side by side in a first direction. A gate electrode is formed on the nitride semiconductor layer between the source electrode and the drain electrode. A first protective film is formed on the nitride semiconductor layer, and covers the first protective film covering the source electrode, the drain electrode, and the gate electrode. A source field plate is formed on the first protective film between the gate electrode and the drain electrode in a plan view. A dielectric-breakdown inhibition portion includes a part positioned between an end of the source field plate and an end of the drain electrode in a sectional view, and inhibits dielectric breakdown of the first protective film.
    Type: Application
    Filed: March 7, 2022
    Publication date: September 29, 2022
    Inventors: Tadashi WATANABE, Yukinori NOSE
  • Patent number: D988398
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: June 6, 2023
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Noriyuki Fukasawa, Taku Ishizawa, Tadashi Watanabe, Ryoichi Tanaka, Tadahiro Mizutani