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).
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Patent number: 11598988Abstract: 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: GrantFiled: December 11, 2020Date of Patent: March 7, 2023Assignee: SEIKO EPSON CORPORATIONInventors: Yutaka Tsuchiya, Takehiro Ono, Yusuke Kinoe, Yoshitaka Hama, Yasushi Kawakami
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Publication number: 20210096422Abstract: 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: ApplicationFiled: December 11, 2020Publication date: April 1, 2021Applicant: SEIKO EPSON CORPORATIONInventors: Yutaka TSUCHIYA, Takehiro ONO, Yusuke KINOE, Yoshitaka HAMA, Yasushi KAWAKAMI
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Patent number: 10895778Abstract: 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: GrantFiled: September 26, 2019Date of Patent: January 19, 2021Assignee: SEIKO EPSON CORPORATIONInventors: Yutaka Tsuchiya, Takehiro Ono, Yusuke Kinoe, Yoshitaka Hama, Yasushi Kawakami
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Publication number: 20200019015Abstract: 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: ApplicationFiled: September 26, 2019Publication date: January 16, 2020Applicant: SEIKO EPSON CORPORATIONInventors: Yutaka TSUCHIYA, Takehiro ONO, Yusuke KINOE, Yoshitaka HAMA, Yasushi KAWAKAMI
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Patent number: 10466531Abstract: 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: GrantFiled: December 20, 2017Date of Patent: November 5, 2019Assignee: SEIKO EPSON CORPORATIONInventors: Yutaka Tsuchiya, Takehiro Ono, Yusuke Kinoe, Yoshitaka Hama, Yasushi Kawakami
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Publication number: 20180113360Abstract: 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: ApplicationFiled: December 20, 2017Publication date: April 26, 2018Applicant: SEIKO EPSON CORPORATIONInventors: Yutaka TSUCHIYA, Takehiro ONO, Yusuke KINOE, Yoshitaka HAMA, Yasushi KAWAKAMI
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Patent number: 9885908Abstract: 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: GrantFiled: June 27, 2016Date of Patent: February 6, 2018Assignee: SEIKO EPSON CORPORATIONInventors: Yutaka Tsuchiya, Takehiro Ono, Yusuke Kinoe, Yoshitaka Hama, Yasushi Kawakami
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Publication number: 20170090245Abstract: 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: ApplicationFiled: June 27, 2016Publication date: March 30, 2017Applicant: SEIKO EPSON CORPORATIONInventors: Yutaka TSUCHIYA, Takehiro ONO, Yusuke KINOE, Yoshitaka HAMA, Yasushi KAWAKAMI
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Publication number: 20150222863Abstract: 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: ApplicationFiled: February 2, 2015Publication date: August 6, 2015Inventor: Yasushi KAWAKAMI
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Patent number: 9003647Abstract: 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: GrantFiled: March 11, 2011Date of Patent: April 14, 2015Assignee: Mitsubishi Cable Industries, Ltd.Inventors: Hiroyuki Kamibayashi, Yasunori Kashima, Takafumi Tanabe, Takeshi Ikeda, Yasushi Kawakami
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Publication number: 20140125932Abstract: 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: ApplicationFiled: October 8, 2013Publication date: May 8, 2014Applicant: Seiko Epson CorporationInventor: Yasushi Kawakami
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Patent number: 8223301Abstract: 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: GrantFiled: August 12, 2009Date of Patent: July 17, 2012Assignee: Seiko Epson CorporationInventor: Yasushi Kawakami
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Patent number: 8053943Abstract: 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: GrantFiled: March 14, 2011Date of Patent: November 8, 2011Assignee: Mitsubishi Cable Industries, Ltd.Inventors: Hiroyuki Kamibayashi, Yasunori Kashima, Takafumi Tanabe, Takeshi Ikeda, Yasushi Kawakami
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Patent number: 8049390Abstract: 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: GrantFiled: March 14, 2011Date of Patent: November 1, 2011Assignee: Mitsubishi Cable Industries, Ltd.Inventors: Hiroyuki Kamibayashi, Yasunori Kashima, Takafumi Tanabe, Takeshi Ikeda, Yasushi Kawakami
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Publication number: 20110174042Abstract: 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: ApplicationFiled: March 14, 2011Publication date: July 21, 2011Applicant: MITSUBISHI CABLE INDUSTRIES, LTD.Inventors: Hiroyuki KAMIBAYASHI, Yasunori Kashima, Takafumi Tanabe, Takeshi Ikeda, Yasushi Kawakami
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Publication number: 20110163626Abstract: 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: ApplicationFiled: March 11, 2011Publication date: July 7, 2011Applicant: MITSUBISHI CABLE INDUSTRIES, LTD.Inventors: Hiroyuki KAMIBAYASHI, Yasunori Kashima, Takafumi Tanabe, Takeshi Ikeda, Yasushi Kawakami
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Publication number: 20110162423Abstract: 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: ApplicationFiled: March 14, 2011Publication date: July 7, 2011Applicant: MITSUBISHI CABLE INDUSTRIES, LTD.Inventors: Hiroyuki KAMIBAYASHI, Yasunori Kashima, Takafumi Tanabe, Takeshi Ikeda, Yasushi Kawakami
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Patent number: 7928626Abstract: 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: GrantFiled: April 20, 2007Date of Patent: April 19, 2011Assignee: Mitsubishi Cable Industries, Ltd.Inventors: Hiroyuki Kamibayashi, Yasunori Kashima, Takafumi Tanabe, Takeshi Ikeda, Yasushi Kawakami
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Patent number: D944318Type: GrantFiled: March 18, 2021Date of Patent: February 22, 2022Assignee: SEIKO EPSON CORPORATIONInventors: Hiroto Miyauchi, Hiromi Nishimura, Yuki Shirasuna, Yasushi Kawakami
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Patent number: D944894Type: GrantFiled: March 18, 2021Date of Patent: March 1, 2022Assignee: SEIKO EPSON CORPORATIONInventors: Hiroto Miyauchi, Hiromi Nishimura, Yuki Shirasuna, Yasushi Kawakami