Patents by Inventor Suguru Ozawa

Suguru Ozawa 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: 11001707
    Abstract: Even when a tin-based polymerization catalyst and a phosphorus-based compound are present in a poly-L-lactic acid (A) and a poly-D-lactic acid (B), by using a specific proportion of an organic acid metal salt or an organic metal salt for stereocomplex crystallization, a stereocomplex polylactic acid composition having a high stereocomplex crystallinity and a high stereocomplex crystal melting point, a small stereocomplex crystal melting point depression even after remelting, a small decrease in the molecular weight, excellent forming processability, and also heat resistance can be provided.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: May 11, 2021
    Assignee: TEIJIN LIMITED
    Inventors: Suguru Ozawa, Ryuji Nonokawa, Osamu Uemura, Masaya Shibano, Shinichiro Shoji
  • Patent number: 10950779
    Abstract: The purpose of the present invention is to provide a fibrous piezoelectric element which enables a large electric signal to be drawn out by stress produced by relatively small deformation. A piezoelectric element includes a braid composed of a conductive fiber and a piezoelectric fiber. In the braid, the conductive fiber is a core, and the piezoelectric fiber is a covering fiber that covers the periphery of the conductive fiber.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: March 16, 2021
    Assignees: TEIJIN LIMITED, KANSAI UNIVERSITY
    Inventors: Yoshiro Tajitsu, Yuhei Ono, Tomoyoshi Yamamoto, Shunsuke Kanematsu, Satoko Yoshizaki, Suguru Ozawa
  • Publication number: 20210017056
    Abstract: A gas dissolved liquid manufacturing device includes: a pump configured to pressurize a liquid; a pipe communicating with the pump; a nozzle disposed in the pipe, the nozzle being configured to generate micro bubbles using a supplied gas; and a gas-liquid separation tank whose upper part communicates with the pipe, the gas-liquid separation tank being configured to separate a gas-liquid mixture generated by the nozzle into a gas and a liquid.
    Type: Application
    Filed: July 7, 2020
    Publication date: January 21, 2021
    Inventors: Yoichi NAKAGAWA, Suguru OZAWA, Yuji ARAKI, Toshifumi WATANABE
  • Publication number: 20200407548
    Abstract: The present invention provides an epoxy resin composition including tetraglycidyl-3,4?-diaminodiphenyl ether, and a curing agent composed of an aromatic polyamine having a predetermined substituent in at least one ortho position with respect to an amino group, a predetermined aromatic epoxy resin having a glycidyl ether group, or an epoxy resin having a predetermined epoxy equivalent weight.
    Type: Application
    Filed: March 14, 2019
    Publication date: December 31, 2020
    Applicant: TEIJIN LIMITED
    Inventors: Suguru OZAWA, Hironori KAWAMOTO, Takaya SUZUKI, Hiroaki KUWAHARA, Toru KANEKO
  • Publication number: 20200385295
    Abstract: A gas dissolution supply apparatus dissolves a gas supplied from a gas supply unit in a liquid supplied from a liquid supply unit to produce a gas dissolution in a gas dissolving unit, stores the gas dissolution produced in the gas dissolving unit in a gas dissolution tank, supplies the gas dissolution from the gas dissolution tank to a point of use, measures the flow rate of a part of the gas dissolution supplied to the point of use that is returned to the gas dissolving unit, and adjusts the flow rate of the liquid supplied from the liquid supply unit to the gas dissolving unit based on the result of the measurement.
    Type: Application
    Filed: May 28, 2020
    Publication date: December 10, 2020
    Inventors: Suguru OZAWA, Yuji ARAKI, Toshifumi WATANABE, Yoichi NAKAGAWA
  • Patent number: 10835876
    Abstract: A gas-dissolved liquid producing apparatus 1 includes a gas supply unit 2, a first liquid supply unit 3, a gas-dissolved liquid generator 4, a second liquid generator 20, a second liquid supply unit 21, a flow rate measuring unit 14, and a controller 23. The controller 23 controls the supply amount of the first liquid to be supplied to the gas-dissolved liquid generator 4 according to the flow rate of circulated gas-dissolved liquid measured by the flow rate measuring unit 14. The gas-dissolved liquid generator 4 dissolves gas supplied from the gas supply unit 2 in first liquid supplied from the first liquid supply unit 3 and second liquid supplied from the second liquid supply unit 21 to generate gas-dissolved liquid.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: November 17, 2020
    Assignee: EBARA CORPORATION
    Inventors: Yoichi Nakagawa, Suguru Ozawa, Toshifumi Watanabe, Tao Xu
  • Patent number: 10654017
    Abstract: Provided is a supply-liquid producing apparatus capable of producing a supply liquid by an amount needed at a use point. A supply-liquid producing apparatus includes a mixer that mixes water and ozone gas to produce ozone water; a booster pump that increases the pressure of the water supplied to the mixer; a gas-liquid separation tank that separates the ozone water produced by the mixer into ozone water to be supplied to a use point and exhaust gas to be discharged from an exhaust port; a flowmeter that measures the flow rate of the ozone water supplied from the gas-liquid separation tank to the use point; a flow control unit that adjusts the (flow rate of the water supplied to the mixer by controlling the booster pump in response to the flow rate of the ozone water measured by the flowmeter; and an exhaust pressure control unit that controls the exhaust pressure to keep constant the water level in the gas-liquid separation tank.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: May 19, 2020
    Assignee: EBARA CORPORATION
    Inventors: Suguru Ozawa, Yoichi Nakagawa, Muneto Takahashi, Tao Xu, Toshio Yokoyama
  • Publication number: 20190193034
    Abstract: A gas-dissolved liquid producing apparatus 1 includes a gas supply unit 2, a first liquid supply unit 3, a gas-dissolved liquid generator 4, a second liquid generator 20, a second liquid supply unit 21, a flow rate measuring unit 14, and a controller 23. The controller 23 controls the supply amount of the first liquid to be supplied to the gas-dissolved liquid generator 4 according to the flow rate of circulated gas-dissolved liquid measured by the flow rate measuring unit 14. The gas-dissolved liquid generator 4 dissolves gas supplied from the gas supply unit 2 in first liquid supplied from the first liquid supply unit 3 and second liquid supplied from the second liquid supply unit 21 to generate gas-dissolved liquid.
    Type: Application
    Filed: December 19, 2018
    Publication date: June 27, 2019
    Inventors: Yoichi NAKAGAWA, Suguru OZAWA, Toshifumi WATANABE, Tao XU
  • Publication number: 20190015801
    Abstract: Provided is a supply-liquid producing apparatus capable of producing a supply liquid by an amount needed at a use point. A supply-liquid producing apparatus includes a mixer that mixes water and ozone gas to produce ozone water; a booster pump that increases the pressure of the water supplied to the mixer; a gas-liquid separation tank that separates the ozone water produced by the mixer into ozone water to be supplied to a use point and exhaust gas to be discharged from an exhaust port; a flowmeter that measures the flow rate of the ozone water supplied from the gas-liquid separation tank to the use point; a flow control unit that adjusts the flow rate of the water supplied to the mixer by controlling the booster pump in response to the flow rate of the ozone water measured by the flowmeter; and an exhaust pressure control unit that controls the exhaust pressure to keep constant the water level in the gas-liquid separation tank.
    Type: Application
    Filed: January 13, 2017
    Publication date: January 17, 2019
    Inventors: Suguru OZAWA, Yoichi NAKAGAWA, Muneto TAKAHASHI, Tao XU, Toshio YOKOYAMA
  • Publication number: 20180358541
    Abstract: Provided is a configuration capable of improving the signal strength of a piezoelectric element using piezoelectric fibers. This braided piezoelectric element comprises a core comprising conductive fibers and a sheath comprising braided piezoelectric fibers so as to cover the core, the braided piezoelectric element further comprising a metal terminal connected and fixed to the core in either of the following states A or B. A) A state where a portion of the metal terminal grasps a fiber portion constituting the end of a braided piezoelectric element and the core and the metal terminal are electrically connected to each other and fixed within 1 mm from where the metal terminal grasps the fiber portion.
    Type: Application
    Filed: December 28, 2016
    Publication date: December 13, 2018
    Applicants: TEIJIN LIMITED, KANSAI UNIVERSITY
    Inventors: Yoshiro TAJITSU, Shunsuke KANEMATSU, Yuhei ONO, Suguru OZAWA, Tomoyoshi YAMAMOTO, Satoko YOSHIZAKI
  • Publication number: 20180108826
    Abstract: The purpose of the present invention is to provide a fibrous piezoelectric element which enables a large electric signal to be drawn out by stress produced by relatively small deformation. A piezoelectric element includes a braid composed of a conductive fiber and a piezoelectric fiber. In the braid, the conductive fiber is a core, and the piezoelectric fiber is a covering fiber that covers the periphery of the conductive fiber.
    Type: Application
    Filed: April 28, 2016
    Publication date: April 19, 2018
    Applicants: TEIJIN LIMITED, KANSAI UNIVERSITY
    Inventors: Yoshiro TAJITSU, Yuhei ONO, Tomoyoshi YAMAMOTO, Shunsuke KANEMATSU, Satoko YOSHIZAKI, Suguru OZAWA
  • Publication number: 20170282132
    Abstract: An ozone water production device (1) includes: flow rate controllers (4, 5) that each control a flow rate of gas which is a raw material; a flow rate meter (12) that measures a flow rate of water which is a raw material; a booster pump (13) that controls pressure of the water; an ozone water generating unit (8) that generates ozone water by mixing ozone gas and the water; and a pressure sensor (17) that measures pressure of the ozone water which is to be supplied to a use point (19). The booster pump (13) controls the pressure of the water such that the pressure of the ozone water measured by the pressure sensor (17) is constant. The flow rate controllers (4, 5) each control the flow rate of the gas in accordance with the flow rate of the water measured by the flow rate meter (12).
    Type: Application
    Filed: September 9, 2015
    Publication date: October 5, 2017
    Inventors: Suguru OZAWA, Minoru HARADA, Munehito TAKAHASHI
  • Publication number: 20170200623
    Abstract: A cleaning apparatus 1 is provided with a heating unit 5 that heats a cleaning surface of a substrate W, a cleaning unit 6 that supplies ozone water to the cleaning surface of the substrate W and cleans the cleaning surface and a control unit 7 that controls the heating of the cleaning surface and the supply of the cleaning liquid so as to clean the cleaning surface after heating the cleaning surface of the substrate W.
    Type: Application
    Filed: December 21, 2016
    Publication date: July 13, 2017
    Inventors: Suguru OZAWA, Toshio YOKOYAMA, Tetsuji TOGAWA
  • Publication number: 20170130047
    Abstract: Even when a tin-based polymerization catalyst and a phosphorus-based compound are present in a poly-L-lactic acid (A) and a poly-D-lactic acid (B), by using a specific proportion of an organic acid metal salt or an organic metal salt for stereocomplex crystallization, a stereocomplex polylactic acid composition having a high stereocomplex crystallinity and a high stereocomplex crystal melting point, a small stereocomplex crystal melting point depression even after remelting, a small decrease in the molecular weight, excellent forming processability, and also heat resistance can be provided.
    Type: Application
    Filed: June 30, 2015
    Publication date: May 11, 2017
    Applicant: TEIJIN LIMITED
    Inventors: Suguru OZAWA, Ryuji NONOKAWA, Osamu UEMURA, Masaya SHIBANO, Shinichiro SHOJI
  • Patent number: 8815657
    Abstract: After a single crystal semiconductor layer provided over a base substrate by attaching is irradiated with a laser beam, characteristics thereof are improved by first heat treatment, and after adding an impurity element imparting conductivity to the single crystal semiconductor layer, second heat treatment is performed at lower temperature than that of the first heat treatment.
    Type: Grant
    Filed: August 31, 2009
    Date of Patent: August 26, 2014
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Suguru Ozawa, Atsuo Isobe, Takashi Hamada, Junpei Momo, Hiroaki Honda, Takashi Shingu, Tetsuya Kakehata
  • Publication number: 20140152878
    Abstract: A solid-state imaging device includes a plurality of color filters, which are composed of a plurality of first color filters and a plurality of second color filters. In plan view: the first color filters and the second color filters are arranged alternatively in each of an X direction and a Y direction, and thus form a checkerboard pattern; and each of the first color filters, at a corner portion thereof, (i) has an oblique side that extends diagonally with respect to the X and Y directions, and (ii) is adjacent to another one of the first color filters that is located diagonally therefrom. Each one of the first color filters is partitioned from another one of the first color filters located diagonally therefrom and adjacent thereto at a corner portion by a shift portion of the barrier wall that extends in parallel with the oblique side.
    Type: Application
    Filed: February 4, 2014
    Publication date: June 5, 2014
    Applicant: PANASONIC CORPORATION
    Inventors: Suguru OZAWA, Motonari KATSUNO, Masayuki TAKASE
  • Patent number: 8674368
    Abstract: An object is to provide a system-on-panel display device including a display portion and a peripheral circuit for controlling display on the display portion over one substrate, which can operate more accurately. The display device has a display portion provided with a pixel portion including a plurality of pixels and a peripheral circuit portion for controlling display on the display portion, which are provided over a substrate. Each of the display portion and the peripheral circuit portion includes a plurality of transistors. For semiconductor layers of the transistors, single crystal semiconductor materials are used.
    Type: Grant
    Filed: March 28, 2012
    Date of Patent: March 18, 2014
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Kei Takahashi, Satoshi Murakami, Suguru Ozawa
  • Publication number: 20120182208
    Abstract: An object is to provide a system-on-panel display device including a display portion and a peripheral circuit for controlling display on the display portion over one substrate, which can operate more accurately. The display device has a display portion provided with a pixel portion including a plurality of pixels and a peripheral circuit portion for controlling display on the display portion, which are provided over a substrate. Each of the display portion and the peripheral circuit portion includes a plurality of transistors. For semiconductor layers of the transistors, single crystal semiconductor materials are used.
    Type: Application
    Filed: March 28, 2012
    Publication date: July 19, 2012
    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Kei TAKAHASHI, Satoshi MURAKAMI, Suguru OZAWA
  • Patent number: 8148236
    Abstract: An object is to provide a system-on-panel display device including a display portion and a peripheral circuit for controlling display on the display portion over one substrate, which can operate more accurately. The display device has a display portion provided with a pixel portion including a plurality of pixels and a peripheral circuit portion for controlling display on the display portion, which are provided over a substrate. Each of the display portion and the peripheral circuit portion includes a plurality of transistors. For semiconductor layers of the transistors, single crystal semiconductor materials are used.
    Type: Grant
    Filed: November 25, 2008
    Date of Patent: April 3, 2012
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Kei Takahashi, Satoshi Murakami, Suguru Ozawa
  • Patent number: 8030193
    Abstract: To fabricate a Schottky barrier diode in which a decrease in on current due to parasitic resistance is suppressed, variations in on current are suppressed, and an increase in off current is suppressed. The fabricating method includes the steps of forming an island-shape semiconductor film; doping the island-shape semiconductor film with a first impurity element to form a first impurity region; forming an insulating film so as to cover the island-shape semiconductor film; etching the insulating film to form a first opening and a second opening that partly expose the first impurity region; forming a mask over the insulating film so as to cover the first opening and expose the second opening; doping the first impurity region with a second impurity element to form a second impurity region; and forming a first wiring in contact with the first impurity region exposed at the first opening, and forming a second wiring in contact with the second impurity region exposed at the second opening.
    Type: Grant
    Filed: December 13, 2007
    Date of Patent: October 4, 2011
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Atsuo Isobe, Suguru Ozawa