Patents by Inventor Keita Watanabe

Keita 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: 20210328164
    Abstract: An organic semiconductor element of the present invention includes: an organic semiconductor film formed from single crystal of an organic semiconductor, and a doped layer formed in a surface of the organic semiconductor film. A strain sensor of the present invention includes: the organic semiconductor element, a pair of electrodes which are electrically connected through the doped layer, and a substrate which is deformable, and which has the organic semiconductor element formed on one surface thereof. A vibration sensor of the present invention includes: the organic semiconductor element, a pair of electrodes which are electrically connected through the doped layer, and a substrate which has flexibility, and which is fixed at one end or both ends thereof, the substrate having the organic semiconductor element formed on the surface of the flexible portion of the substrate.
    Type: Application
    Filed: September 3, 2019
    Publication date: October 21, 2021
    Inventors: Junichi TAKEYA, Shunichiro WATANABE, Yu YAMASHITA, Keita YAEGASHI
  • Patent number: 11151903
    Abstract: An imaging method for a catheter having a heart model, the heart model being installed in a container in a state of having the container filled with a liquid, and being provided with coronary arteries and an aorta. The imaging method includes causing a chemical reaction between an injection agent injected into the coronary arteries through a catheter, and the liquid in the container, and changing the color of the injection agent to the same color as that of the liquid.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: October 19, 2021
    Assignees: OSAKA UNIVERSITY, JMC CORPORATION
    Inventors: Keita Okayama, Shinsuke Nanto, Yasushi Sakata, Daichi Watanabe, Makoto Inada, Munekuni Sato
  • Publication number: 20210311091
    Abstract: A cantilever (2) has a probe (7) at a tip end. An optical system (80) emits laser light to the cantilever (2) and detects the laser light reflected by the cantilever (2). A measurement unit (14) measures characteristics of a sample (9) based on a displacement of the cantilever (2) obtained by a change in a position of the laser light detected by the optical system (80). The laser light adjustment unit (20) adjusts, when adjusting the optical axis of the laser light, a spot diameter of the laser light to be larger than the spot diameter when measuring the characteristics of a sample (8). The imaging unit (10) captures an image of a range including the position of the probe (7) when adjusting the optical axis of the laser light. The display unit (12) displays the captured image.
    Type: Application
    Filed: July 27, 2018
    Publication date: October 7, 2021
    Inventors: Kazuma WATANABE, Keita FUJINO, Masato HIRADE, Kenji YAMASAKI, Hideo NAKAJIMA, Yuichiro IKEDA, Hiroshi ARAI
  • Patent number: 11099138
    Abstract: A phase calculation unit (12) calculates, as a first phase, a deflection angle of a first similarity vector having a first similarity and a second similarity calculated by a similarity calculation unit (11) as elements. The phase calculation unit (12) calculates, as a second phase, a deflection angle of a second similarity vector having a third similarity and a fourth similarity calculated by the similarity calculation unit (11) as elements. A period calculation unit (13) calculates a period of a pattern formed on a long body on the basis of the first phase and the second phase calculated by the phase calculation unit (12). An abnormality detection unit (14) detects an abnormality in the long body on the basis of the period calculated by the period calculation unit (13).
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: August 24, 2021
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Junji Hori, Koji Sakata, Takuya Hashiguchi, Keita Mochizuki, Kiyotaka Watanabe, Hiroshi Sasai
  • Patent number: 10995693
    Abstract: An engine cooling structure includes a cylinder block including a block inner peripheral wall and a block outer peripheral wall that define a water jacket, and a spacer housed in the water jacket. The block outer peripheral wall includes a coolant inlet for introducing a coolant into the water jacket at one end in a cylinder row direction. The spacer includes a peripheral wall surrounding the block inner peripheral wall, and a dividing wall and a distribution wall provided on the peripheral wall. The dividing wall is provided along a circumferential direction of the peripheral wall and protrudes outward from the peripheral wall between a lower end and an upper end of the coolant inlet. The distribution wall includes an upper distribution wall extending upward from the dividing wall and a lower distribution wall extending downward from the dividing wall.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: May 4, 2021
    Assignee: Mazda Motor Corporation
    Inventors: Shinji Watanabe, Tatsuya Takahata, Yoshiaki Hayamizu, Keita Watanabe, Mikimasa Kawaguchi
  • Patent number: 10934968
    Abstract: An engine cooling structure includes a cylinder block including a block inner peripheral wall that defines a water jacket and a block outer peripheral wall, a spacer housed in the water jacket, and a cooler provided outside the engine body. The spacer includes: a peripheral wall surrounding the block inner peripheral wall; and a dividing wall protruding from the peripheral wall to divide the water jacket into an upper passage and lower passages below the upper passage. A coolant introduced from a coolant inlet into the upper passage passes through an inter-bore part of the block inner peripheral wall. The coolant in the lower passages is introduced into the cooler through a coolant exit.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: March 2, 2021
    Assignee: Mazda Motor Corporation
    Inventors: Shinji Watanabe, Tatsuya Takahata, Yoshiaki Hayamizu, Keita Watanabe, Mikimasa Kawaguchi
  • Publication number: 20210012741
    Abstract: A modulated data signal is generated so as to change such that a length of a data period indicative of a timing of writing of the gradation voltage signal to each of the pixel portions becomes a length according to a distance from the data driver to each of the pixel portions. The timing control unit writes a video data signal to a memory at a timing according to a data period of the video data signal. The timing control unit reads the video data signal from the memory at a timing according to a period as a result of correction of a data period of the modulated data signal on the basis of a difference between an average value of lengths of the data periods of the video data signals and an average value of lengths of the data periods of the modulated data signals.
    Type: Application
    Filed: July 7, 2020
    Publication date: January 14, 2021
    Inventor: KEITA WATANABE
  • Patent number: 10862096
    Abstract: A lead material (5) for a negative electrode is made of a clad material (50) including a Cu layer (51) made of Cu or a Cu alloy and Ni layers (52, 53) each made of Ni or a Ni alloy. The Ni layers are respectively bonded to opposite surfaces of the Cu layer. The Ni layers each include a surface (52b, 53b) not bonded to the Cu layer, the surface including an oxide film (52c, 53c) with a thickness of 30 nm or less.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: December 8, 2020
    Assignee: HITACHI METALS, LTD.
    Inventors: Yoshimitsu Oda, Keita Watanabe
  • Patent number: 10738730
    Abstract: A head-side jacket through which coolant flows is formed in a cylinder head. A main circulation path and a sub circulation path through which coolant fed from a coolant pump respectively circulates are formed. The head-side jacket is separated into an exhaust-port side jacket formed around an exhaust port, and a combustion-chamber-side jacket closer to a combustion chamber than the exhaust-port-side jacket. A heat exchanger is not formed in the main circulation path including the combustion-chamber-side jacket, but is formed in the sub circulation path excluding the combustion-chamber-side jacket and including the exhaust-port-side jacket.
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: August 11, 2020
    Assignee: Mazda Motor Corporation
    Inventors: Ryotaro Nishida, Tomohiro Koguchi, Mikimasa Kawaguchi, Yuichi Ayukawa, Tatsuya Takahata, Takayuki Tominaga, Shinji Watanabe, Keita Watanabe
  • Publication number: 20200232412
    Abstract: An engine cooling structure includes a cylinder block including a block inner peripheral wall and a block outer peripheral wall that define a water jacket, and a spacer housed in the water jacket. The block outer peripheral wall includes a coolant inlet for introducing a coolant into the water jacket at one end in a cylinder row direction. The spacer includes a peripheral wall surrounding the block inner peripheral wall, and a dividing wall and a distribution wall provided on the peripheral wall. The dividing wall is provided along a circumferential direction of the peripheral wall and protrudes outward from the peripheral wall between a lower end and an upper end of the coolant inlet. The distribution wall includes an upper distribution wall extending upward from the dividing wall and a lower distribution wall extending downward from the dividing wall.
    Type: Application
    Filed: January 9, 2020
    Publication date: July 23, 2020
    Inventors: Shinji WATANABE, Tatsuya TAKAHATA, Yoshiaki HAYAMIZU, Keita WATANABE, Mikimasa KAWAGUCHI
  • Publication number: 20200232413
    Abstract: An engine cooling structure includes a cylinder block including a block inner peripheral wall that defines a water jacket and a block outer peripheral wall, a spacer housed in the water jacket, and a cooler provided outside the engine body. The spacer includes: a peripheral wall surrounding the block inner peripheral wall; and a dividing wall protruding from the peripheral wall to divide the water jacket into an upper passage and lower passages below the upper passage. A coolant introduced from a coolant inlet into the upper passage passes through an inter-bore part of the block inner peripheral wall. The coolant in the lower passages is introduced into the cooler through a coolant exit.
    Type: Application
    Filed: January 9, 2020
    Publication date: July 23, 2020
    Inventors: Shinji WATANABE, Tatsuya TAKAHATA, Yoshiaki HAYAMIZU, Keita WATANABE, Mikimasa KAWAGUCHI
  • Publication number: 20200185688
    Abstract: A lead material (5) for a negative electrode is made of a clad material (50) including a Cu layer (51) made of Cu or a Cu alloy and Ni layers (52, 53) each made of Ni or a Ni alloy. The Ni layers are respectively bonded to opposite surfaces of the Cu layer. The Ni layers each include a surface (52b, 53b) not bonded to the Cu layer, the surface including an oxide film (52c, 53c) with a thickness of 30 nm or less.
    Type: Application
    Filed: December 22, 2017
    Publication date: June 11, 2020
    Applicant: Hitachi Metals, Ltd.
    Inventors: Yoshimitsu ODA, Keita WATANABE
  • Patent number: 10497923
    Abstract: A lead material for a battery includes a metal plate made of single metal, in which the hardness of a central portion is lower than the hardness of a surface layer portion.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: December 3, 2019
    Assignee: HITACHI METALS, LTD.
    Inventors: Keita Watanabe, Yoshimitsu Oda
  • Patent number: 10454089
    Abstract: This clad material for a battery negative electrode lead material is constituted of a clad material of a three-layer structure including a first layer constituted of pure Ni, a second layer constituted of pure Cu and a third layer constituted of pure Ni. The thickness of a first diffusion layer formed between the first layer and the second layer and the thickness of a second diffusion layer formed between the second layer and the third layer are at least 0.5 ?m and not more than 3.5 ?m.
    Type: Grant
    Filed: April 13, 2016
    Date of Patent: October 22, 2019
    Assignee: HITACHI METALS, LTD.
    Inventors: Yoshimitsu Oda, Keita Watanabe
  • Publication number: 20190148704
    Abstract: A lead material for a battery includes a metal plate made of single metal, in which the hardness of a central portion is lower than the hardness of a surface layer portion.
    Type: Application
    Filed: January 17, 2019
    Publication date: May 16, 2019
    Applicant: HITACHI METALS, LTD.
    Inventors: Keita Watanabe, Yoshimitsu Oda
  • Patent number: 10270079
    Abstract: A lead material for a battery includes a metal plate made of single metal, in which the hardness of a central portion is lower than the hardness of a surface layer portion.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: April 23, 2019
    Assignee: HITACHI METALS, LTD.
    Inventors: Keita Watanabe, Yoshimitsu Oda
  • Publication number: 20190040815
    Abstract: A head-side jacket through which coolant flows is formed in a cylinder head. A main circulation path and a sub circulation path through which coolant fed from a coolant pump respectively circulates are formed. The head-side jacket is separated into an exhaust-port side jacket formed around an exhaust port, and a combustion-chamber-side jacket closer to a combustion chamber than the exhaust-port-side jacket. A heat exchanger is not formed in the main circulation path including the combustion-chamber-side jacket, but is formed in the sub circulation path excluding the combustion-chamber-side jacket and including the exhaust-port-side jacket.
    Type: Application
    Filed: August 1, 2018
    Publication date: February 7, 2019
    Inventors: Ryotaro Nishida, Tomohiro Koguchi, Mikimasa Kawaguchi, Yuichi Ayukawa, Tatsuya Takahata, Takayuki Tominaga, Shinji Watanabe, Keita Watanabe
  • Patent number: 10170674
    Abstract: Provided is an LED device presenting minimal risk of bottom-surface contamination even when foreign substances such as liquids adhere thereto. The LED device has an LED die, a submount substrate on the surface of which the LED die is mounted, a frame-shaped electrode disposed along the outer circumferential part of the bottom surface of the submount substrate, and an inner-side electrode surrounded by the frame-shaped electrode and connected to the electrode of the LED die. In the LED device, the frame-shaped electrode is disposed along the entire outer circumferential part of the bottom surface. In an LED device, the bottom surface is rectangular, and the frame-shaped electrode is disposed along three sides of the bottom surface.
    Type: Grant
    Filed: June 23, 2014
    Date of Patent: January 1, 2019
    Assignees: Citizen Watch Co., Ltd., Citizen Electronics Co., Ltd.
    Inventors: Isao Miyashita, Taku Kumasaka, Keita Watanabe, Kosuke Tsuchiya
  • Patent number: 10121602
    Abstract: This metal substrate for a dye-sensitized solar cell includes a clad material including a nonporous first metal layer, arranged on an anode side of a dye-sensitized solar cell element, made of a metal having corrosion resistance against an electrolyte of the dye-sensitized solar cell element and a second metal layer made of a metal having lower electrical resistance than the first metal layer and bonded to a side of the first metal layer opposite to the dye-sensitized solar cell element.
    Type: Grant
    Filed: June 22, 2012
    Date of Patent: November 6, 2018
    Assignee: HITACHI METALS, LTD.
    Inventors: Ryouji Inoue, Shinji Yamamoto, Keita Watanabe, Masaaki Ishio
  • Patent number: 9750477
    Abstract: A measurement area selection circuit has an irradiation field determination unit, an object area determination unit, and a measurement area determination unit. The irradiation field determination unit determines an irradiation field of an imaging surface of an FPD. The object area determination unit determines an object area from a comparison result between a first expected received dose of a directly exposed area and dose detection signals of detection pixels situated in the irradiation field. The measurement area determination unit determines a measurement area, which corresponds to a region of interest, from a comparison result between a second expected received dose of the measurement area and the dose detection signals of the detection pixels situated in the irradiation area and the object area. The dose detection signals of the detection pixels situated in the measurement area are used for AEC.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: September 5, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Yusuke Kitagawa, Takashi Tajima, Keita Watanabe, Takeshi Kamiya