Patents by Inventor Yasushi Kawakami

Yasushi Kawakami 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: 20190164725
    Abstract: There is provided a plasma processing apparatus and a plasma processing method for efficiently processing a wafer using plasma. The plasma processing apparatus includes two processing steps and a bridging step between the two processing steps.
    Type: Application
    Filed: September 19, 2018
    Publication date: May 30, 2019
    Inventors: Masatoshi KAWAKAMI, Kohei SATO, Yasushi SONODA, Masahiro NAGATANI, Makoto KASHIBE
  • Publication number: 20180113360
    Abstract: An opposing substrate as a substrate for an electro-optical device includes a transparent base member and a light shielding portion disposed on a region between pixels on the base member. The light shielding portion includes a first reflective film and a second reflective film that is disposed to overlap the first reflective film and has a reflection rate lower than that of the first reflective film, and a first protective film that covers the first reflective film is provided between the first reflective film and the second reflective film.
    Type: Application
    Filed: December 20, 2017
    Publication date: April 26, 2018
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Yutaka TSUCHIYA, Takehiro ONO, Yusuke KINOE, Yoshitaka HAMA, Yasushi KAWAKAMI
  • Patent number: 9885908
    Abstract: An opposing substrate as a substrate for an electro-optical device includes a transparent base member and a light shielding portion disposed on a region between pixels on the base member. The light shielding portion includes a first reflective film and a second reflective film that is disposed to overlap the first reflective film and has a reflection rate lower than that of the first reflective film, and a first protective film that covers the first reflective film is provided between the first reflective film and the second reflective film.
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: February 6, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Yutaka Tsuchiya, Takehiro Ono, Yusuke Kinoe, Yoshitaka Hama, Yasushi Kawakami
  • Publication number: 20170090245
    Abstract: An opposing substrate as a substrate for an electro-optical device includes a transparent base member and a light shielding portion disposed on a region between pixels on the base member. The light shielding portion includes a first reflective film and a second reflective film that is disposed to overlap the first reflective film and has a reflection rate lower than that of the first reflective film, and a first protective film that covers the first reflective film is provided between the first reflective film and the second reflective film.
    Type: Application
    Filed: June 27, 2016
    Publication date: March 30, 2017
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Yutaka TSUCHIYA, Takehiro ONO, Yusuke KINOE, Yoshitaka HAMA, Yasushi KAWAKAMI
  • Publication number: 20150222863
    Abstract: A projector includes a modulation optical system that modulates light emitted from an illumination optical system and a vibration device. The modulation optical system includes a first electro-optical device, a relay optical system, and a second electro-optical device that are arranged in series on an optical axis of the light emitted from the illumination optical system. The vibration device vibrates at least one of the first electro-optical device, the relay optical system, and the second electro-optical device.
    Type: Application
    Filed: February 2, 2015
    Publication date: August 6, 2015
    Inventor: Yasushi KAWAKAMI
  • Patent number: 9003647
    Abstract: A stator structure includes: a stator core (104) having a large number of concave slots (105) and a large number of convex magnetic poles (106) circumferentially alternately arranged; and magnet wires (101) of rectangular cross section in each of which an insulating coating (103) is formed on the outer surface of a metal wire (102), wherein each of the slots (105) is formed so that the distance (W2) between both the side surfaces (109, 109) of the slot (105) gradually decreases from the bottom (107) to a distal opening (108) of the slot (105), each of the magnet wires (101) is wound around the associated magnetic pole (106) and inserted in tiers in the associated slot (105), and the magnet wire (101) is placed in the slot (105) so that the width (W1) thereof continuously or stepwise decreases from the bottom (107) to the distal opening (108) of the slot (105).
    Type: Grant
    Filed: March 11, 2011
    Date of Patent: April 14, 2015
    Assignee: Mitsubishi Cable Industries, Ltd.
    Inventors: Hiroyuki Kamibayashi, Yasunori Kashima, Takafumi Tanabe, Takeshi Ikeda, Yasushi Kawakami
  • Publication number: 20140125932
    Abstract: Pixel electrodes are formed in a display region, and dummy electrodes are formed in a dummy region. A ratio of the area of the dummy electrodes in the dummy region is smaller than a ratio of the area of the pixel electrodes in the display region.
    Type: Application
    Filed: October 8, 2013
    Publication date: May 8, 2014
    Applicant: Seiko Epson Corporation
    Inventor: Yasushi Kawakami
  • Patent number: 8223301
    Abstract: An electro-optical device includes a first substrate and a translucent second substrate facing each other, a liquid crystal layer disposed between the first substrate and the second substrate, a reflective electrode that is disposed between the first substrate and the liquid crystal layer, a translucent electrode that is disposed between the second substrate and the liquid crystal layer, a first dielectric layer that is disposed between the reflective electrode and the liquid crystal layer and includes a plurality of dielectric films, and a second dielectric layer that is disposed between the translucent electrode and the liquid crystal layer and includes at least one dielectric film.
    Type: Grant
    Filed: August 12, 2009
    Date of Patent: July 17, 2012
    Assignee: Seiko Epson Corporation
    Inventor: Yasushi Kawakami
  • Patent number: 8053943
    Abstract: A stator structure includes: a stator core (104) having a large number of concave slots (105) and a large number of convex magnetic poles (106) circumferentially alternately arranged; and magnet wires (101) of rectangular cross section in each of which an insulating coating (103) is formed on the outer surface of a metal wire (102), wherein each of the slots (105) is formed so that the distance (W2) between both the side surfaces (109, 109) of the slot (105) gradually decreases from the bottom (107) to a distal opening (108) of the slot (105), each of the magnet wires (101) is wound around the associated magnetic pole (106) and inserted in tiers in the associated slot (105), and the magnet wire (101) is placed in the slot (105) so that the width (W1) thereof continuously or stepwise decreases from the bottom (107) to the distal opening (108) of the slot (105).
    Type: Grant
    Filed: March 14, 2011
    Date of Patent: November 8, 2011
    Assignee: Mitsubishi Cable Industries, Ltd.
    Inventors: Hiroyuki Kamibayashi, Yasunori Kashima, Takafumi Tanabe, Takeshi Ikeda, Yasushi Kawakami
  • Patent number: 8049390
    Abstract: A stator structure includes: a stator core (104) having a large number of concave slots (105) and a large number of convex magnetic poles (106) circumferentially alternately arranged; and magnet wires (101) of rectangular cross section in each of which an insulating coating (103) is formed on the outer surface of a metal wire (102), wherein each of the slots (105) is formed so that the distance (W2) between both the side surfaces (109, 109) of the slot (105) gradually decreases from the bottom (107) to a distal opening (108) of the slot (105), each of the magnet wires (101) is wound around the associated magnetic pole (106) and inserted in tiers in the associated slot (105), and the magnet wire (101) is placed in the slot (105) so that the width (W1) thereof continuously or stepwise decreases from the bottom (107) to the distal opening (108) of the slot (105).
    Type: Grant
    Filed: March 14, 2011
    Date of Patent: November 1, 2011
    Assignee: Mitsubishi Cable Industries, Ltd.
    Inventors: Hiroyuki Kamibayashi, Yasunori Kashima, Takafumi Tanabe, Takeshi Ikeda, Yasushi Kawakami
  • Publication number: 20110174042
    Abstract: A stator structure includes: a stator core (104) having a large number of concave slots (105) and a large number of convex magnetic poles (106) circumferentially alternately arranged; and magnet wires (101) of rectangular cross section in each of which an insulating coating (103) is formed on the outer surface of a metal wire (102), wherein each of the slots (105) is formed so that the distance (W2) between both the side surfaces (109, 109) of the slot (105) gradually decreases from the bottom (107) to a distal opening (108) of the slot (105), each of the magnet wires (101) is wound around the associated magnetic pole (106) and inserted in tiers in the associated slot (105), and the magnet wire (101) is placed in the slot (105) so that the width (W1) thereof continuously or stepwise decreases from the bottom (107) to the distal opening (108) of the slot (105).
    Type: Application
    Filed: March 14, 2011
    Publication date: July 21, 2011
    Applicant: MITSUBISHI CABLE INDUSTRIES, LTD.
    Inventors: Hiroyuki KAMIBAYASHI, Yasunori Kashima, Takafumi Tanabe, Takeshi Ikeda, Yasushi Kawakami
  • Publication number: 20110162423
    Abstract: A stator structure includes: a stator core (104) having a large number of concave slots (105) and a large number of convex magnetic poles (106) circumferentially alternately arranged; and magnet wires (101) of rectangular cross section in each of which an insulating coating (103) is formed on the outer surface of a metal wire (102), wherein each of the slots (105) is formed so that the distance (W2) between both the side surfaces (109, 109) of the slot (105) gradually decreases from the bottom (107) to a distal opening (108) of the slot (105), each of the magnet wires (101) is wound around the associated magnetic pole (106) and inserted in tiers in the associated slot (105), and the magnet wire (101) is placed in the slot (105) so that the width (W1) thereof continuously or stepwise decreases from the bottom (107) to the distal opening (108) of the slot (105).
    Type: Application
    Filed: March 14, 2011
    Publication date: July 7, 2011
    Applicant: MITSUBISHI CABLE INDUSTRIES, LTD.
    Inventors: Hiroyuki KAMIBAYASHI, Yasunori Kashima, Takafumi Tanabe, Takeshi Ikeda, Yasushi Kawakami
  • Publication number: 20110163626
    Abstract: A stator structure includes: a stator core (104) having a large number of concave slots (105) and a large number of convex magnetic poles (106) circumferentially alternately arranged; and magnet wires (101) of rectangular cross section in each of which an insulating coating (103) is formed on the outer surface of a metal wire (102), wherein each of the slots (105) is formed so that the distance (W2) between both the side surfaces (109, 109) of the slot (105) gradually decreases from the bottom (107) to a distal opening (108) of the slot (105), each of the magnet wires (101) is wound around the associated magnetic pole (106) and inserted in tiers in the associated slot (105), and the magnet wire (101) is placed in the slot (105) so that the width (W1) thereof continuously or stepwise decreases from the bottom (107) to the distal opening (108) of the slot (105).
    Type: Application
    Filed: March 11, 2011
    Publication date: July 7, 2011
    Applicant: MITSUBISHI CABLE INDUSTRIES, LTD.
    Inventors: Hiroyuki KAMIBAYASHI, Yasunori Kashima, Takafumi Tanabe, Takeshi Ikeda, Yasushi Kawakami
  • Patent number: 7928626
    Abstract: A stator structure includes: a stator core (104) having a large number of concave slots (105) and a large number of convex magnetic poles (106) circumferentially alternately arranged; and magnet wires (101) of rectangular cross section in each of which an insulating coating (103) is formed on the outer surface of a metal wire (102), wherein each of the slots (105) is formed so that the distance (W2) between both the side surfaces (109, 109) of the slot (105) gradually decreases from the bottom (107) to a distal opening (108) of the slot (105), each of the magnet wires (101) is wound around the associated magnetic pole (106) and inserted in tiers in the associated slot (105), and the magnet wire (101) is placed in the slot (105) so that the width (W1) thereof continuously or stepwise decreases from the bottom (107) to the distal opening (108) of the slot (105).
    Type: Grant
    Filed: April 20, 2007
    Date of Patent: April 19, 2011
    Assignee: Mitsubishi Cable Industries, Ltd.
    Inventors: Hiroyuki Kamibayashi, Yasunori Kashima, Takafumi Tanabe, Takeshi Ikeda, Yasushi Kawakami
  • Publication number: 20100283923
    Abstract: A liquid crystal device which includes a first substrate having a plurality of reflective pixel electrodes on a surface thereof, an optically transparent second substrate opposing the surface having the reflective pixel electrodes of the first substrate, and a liquid crystal layer between the first substrate and the second substrate, where the first substrate has antireflection films on side ends of the reflective pixel electrodes.
    Type: Application
    Filed: May 7, 2010
    Publication date: November 11, 2010
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Yasushi KAWAKAMI
  • Patent number: 7728935
    Abstract: There is provided a liquid crystal device including a first substrate, a second substrate, a liquid crystal being held between the first substrate and the second substrate, a base layer having alternating linear grooves and linear protrusions on at least one of the first substrate and the second substrate, and an alignment layer of an oxide film covering the base layer and having wedge-shaped tops over the linear protrusions of the base layer.
    Type: Grant
    Filed: February 19, 2008
    Date of Patent: June 1, 2010
    Assignee: Seiko Epson Corporation
    Inventor: Yasushi Kawakami
  • Publication number: 20100079686
    Abstract: An electro-optical device includes a first substrate and a translucent second substrate facing each other, a liquid crystal layer disposed between the first substrate and the second substrate, a reflective electrode that is disposed between the first substrate and the liquid crystal layer, a translucent electrode that is disposed between the second substrate and the liquid crystal layer, a first dielectric layer that is disposed between the reflective electrode and the liquid crystal layer and includes a plurality of dielectric films, and a second dielectric layer that is disposed between the translucent electrode and the liquid crystal layer and includes at least one dielectric film.
    Type: Application
    Filed: August 12, 2009
    Publication date: April 1, 2010
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Yasushi KAWAKAMI
  • Publication number: 20090102309
    Abstract: A stator structure includes: a stator core (104) having a large number of concave slots (105) and a large number of convex magnetic poles (106) circumferentially alternately arranged; and magnet wires (101) of rectangular cross section in each of which an insulating coating (103) is formed on the outer surface of a metal wire (102), wherein each of the slots (105) is formed so that the distance (W2) between both the side surfaces (109, 109) of the slot (105) gradually decreases from the bottom (107) to a distal opening (108) of the slot (105), each of the magnet wires (101) is wound around the associated magnetic pole (106) and inserted in tiers in the associated slot (105), and the magnet wire (101) is placed in the slot (105) so that the width (W1) thereof continuously or stepwise decreases from the bottom (107) to the distal opening (108) of the slot (105).
    Type: Application
    Filed: April 20, 2007
    Publication date: April 23, 2009
    Applicant: MITSUBISHI CABLE INDUSTRIES, LTD.
    Inventors: Hiroyuki Kamibayashi, Yasunori Kashima, Takafumi Tanabe, Takeshi Ikeda, Yasushi Kawakami
  • Publication number: 20090027773
    Abstract: There is provided a wire grid type polarization element equipped with a plurality of lines of metal grid on a translucent substrate. A plurality of lines of groove like concave portions are formed on the substrate, and the metal grid is embedded in the plurality of lines of groove like concave portions.
    Type: Application
    Filed: June 24, 2008
    Publication date: January 29, 2009
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Yasushi Kawakami
  • Publication number: 20080212004
    Abstract: There is provided a liquid crystal device including a first substrate, a second substrate, a liquid crystal being held between the first substrate and the second substrate, a base layer having alternating linear grooves and linear protrusions on at least one of the first substrate and the second substrate, and an alignment layer of an oxide film covering the base layer and having wedge-shaped tops over the linear protrusions of the base layer.
    Type: Application
    Filed: February 19, 2008
    Publication date: September 4, 2008
    Applicant: Seiko Epson Corporation
    Inventor: Yasushi Kawakami