Patents by Inventor Yuichi Miyoshi

Yuichi Miyoshi 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: 20190329199
    Abstract: A fine bubble generation promoter includes: one of a fatty acid and a fat-soluble vitamin in an amount within a range of 2.4 wt % to 33 wt %, inclusive; and a hydrocarbon in an amount within a range of 67 wt % to 97 wt %, inclusive. A total concentration of (i) one of the fatty acid and the fat-soluble vitamin and (ii) the hydrocarbon is 99 wt % or more.
    Type: Application
    Filed: November 16, 2017
    Publication date: October 31, 2019
    Inventors: Kou SUGANO, Yuichi MIYOSHI, Shigeru TSUZUKI, Sachiko INAZATO
  • Patent number: 10427707
    Abstract: A dual-pinion electric power steering device has: a rack shaft that causes a turnable member to turn; a first pinion shaft to which a steering force from a steering wheel is transmitted; a first rack teeth disposed on the rack shaft and capable of meshing with the first pinion shaft; a second pinion shaft to which a rotational driving force from an assist motor is transmitted; a second rack teeth disposed on the rack shaft and capable of meshing with the second pinion shaft; a first pressing member disposed across the rack shaft from the first pinion shaft and configured to press the rack shaft toward the first pinion shaft; and a second pressing member disposed across the rack shaft from the second pinion shaft and configured to press the rack shaft toward the second pinion shaft. The first pressing member has a lower rigidity than the second pressing member.
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: October 1, 2019
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Takashi Miyoshi, Yosuke Tanaka, Yuichi Shimada, Tsutomu Tatsuishi
  • Patent number: 10191078
    Abstract: An acceleration sensor includes a detection device, an opposed electrode, and a top lid. The detection device includes an active layer, a base layer, an oxide layer disposed between the active layer and the base layer, a first insulating layer, a contact portion, and a self-check electrode. The first insulating layer is disposed on the active layer at a side opposite to the oxide layer and provided with a first opening. The contact portion is disposed on a part of the first insulating layer at a side opposite to the active layer and includes a first metal layer connected to the active layer through the first opening. The opposed electrode is disposed at a location opposing the self-check electrode, and the top lid supports the opposed electrode.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: January 29, 2019
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Atsuhiro Fujii, Takashi Imanaka, Yuichi Miyoshi, Hiroyuki Aizawa
  • Patent number: 9989674
    Abstract: A plastic optical component includes a base member made of a first plastic, and a covering member disposed over a surface of the plastic member. The covering member is made of a second plastic. The water absorption of the first plastic is lower than the water absorption of the second plastic.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: June 5, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Wataru Kikuchi, Daigo Kobayashi, Yuichi Miyoshi
  • Publication number: 20160258975
    Abstract: An acceleration sensor includes a detection device, an opposed electrode, and a top lid. The detection device includes an active layer, a base layer, an oxide layer disposed between the active layer and the base layer, a first insulating layer, a contact portion, and a self-check electrode. The first insulating layer is disposed on the active layer at a side opposite to the oxide layer and provided with a first opening. The contact portion is disposed on a part of the first insulating layer at a side opposite to the active layer and includes a first metal layer connected to the active layer through the first opening. The opposed electrode is disposed at a location opposing the self-check electrode, and the top lid supports the opposed electrode.
    Type: Application
    Filed: May 17, 2016
    Publication date: September 8, 2016
    Inventors: ATSUHIRO FUJII, TAKASHI IMANAKA, YUICHI MIYOSHI, HIROYUKI AIZAWA
  • Publication number: 20160252654
    Abstract: A plastic optical component includes a base member made of a first plastic, and a covering member disposed over a surface of the plastic member. The covering member is made of a second plastic. The water absorption of the first plastic is lower than the water absorption of the second plastic.
    Type: Application
    Filed: May 13, 2016
    Publication date: September 1, 2016
    Inventors: Wataru Kikuchi, Daigo Kobayashi, Yuichi Miyoshi
  • Patent number: 9409168
    Abstract: The present invention provides a microfluidic device which is molded with a die and has a specimen inlet part. The microfluidic device has the specimen inlet part. The specimen inlet part has an inlet channel for introducing a specimen into the flow channel, wherein the inlet channel has a diameter which continuously and gradually increases as the inlet channel approaches the flow channel, or has a diameter which is constant in the vicinity of an inlet port and then continuously and gradually increases as the inlet channel approaches the flow channel.
    Type: Grant
    Filed: August 8, 2013
    Date of Patent: August 9, 2016
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yuichi Miyoshi, Daigo Kobayashi, Hirotomo Taniguchi
  • Patent number: 9360666
    Abstract: A plastic optical component includes a base member made of a first plastic, and a covering member disposed over a surface of the plastic member. The covering member is made of a second plastic. The water absorption of the first plastic is lower than the water absorption of the second plastic.
    Type: Grant
    Filed: May 20, 2013
    Date of Patent: June 7, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Wataru Kikuchi, Daigo Kobayashi, Yuichi Miyoshi
  • Publication number: 20140044610
    Abstract: The present invention provides a microfluidic device which is molded with a die and has a specimen inlet part. The microfluidic device has the specimen inlet part. The specimen inlet part has an inlet channel for introducing a specimen into the flow channel, wherein the inlet channel has a diameter which continuously and gradually increases as the inlet channel approaches the flow channel, or has a diameter which is constant in the vicinity of an inlet port and then continuously and gradually increases as the inlet channel approaches the flow channel.
    Type: Application
    Filed: August 8, 2013
    Publication date: February 13, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Yuichi Miyoshi, Daigo Kobayashi, Hirotomo Taniguchi
  • Publication number: 20130316144
    Abstract: A plastic optical component includes a base member made of a first plastic, and a covering member disposed over a surface of the plastic member. The covering member is made of a second plastic. The water absorption of the first plastic is lower than the water absorption of the second plastic.
    Type: Application
    Filed: May 20, 2013
    Publication date: November 28, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Wataru Kikuchi, Daigo Kobayashi, Yuichi Miyoshi
  • Patent number: 8320589
    Abstract: An electret condenser includes a fixed film 110 including a conductive film 118 to be an upper electrode, a vibrating film 112 including a lower electrode 104 and a silicon oxide film 105 to be an electret film, and a silicon oxide film 108 provided between the fixed film 110 and the vibrating film 112 and including an air gap 109. Respective parts of the fixed film 110 and the vibrating film 112 exposed in the air gap 109 are formed of silicon nitride films 106 and 114.
    Type: Grant
    Filed: November 4, 2010
    Date of Patent: November 27, 2012
    Assignee: Panasonic Corporation
    Inventors: Tohru Yamaoka, Hiroshi Ogura, Yuichi Miyoshi
  • Patent number: 8166827
    Abstract: A MEMS device, including: a substrate having a first principal plane and a second principal plane opposite to the first principal plane; a through hole formed in the substrate; and a vibrating film formed over the first principal plane so as to cover the through hole. The first principal plane and the second principal plane are both a (110) crystal face; and the through hole has a substantially rhombic shape on the second principal plane.
    Type: Grant
    Filed: May 6, 2009
    Date of Patent: May 1, 2012
    Assignee: Panasonic Corporation
    Inventors: Yuichi Miyoshi, Tohru Yamaoka, Hidenori Notake, Yusuke Takeuchi
  • Patent number: 8146437
    Abstract: A diaphragm structure for a MEMS device includes a through-hole formed so as to penetrate from an upper surface to a bottom surface of a substrate; and a vibrating electrode film formed on the upper surface of the substrate so as to cover the through-hole. An opening shape of the through-hole in the upper surface of the substrate is substantially hexagonal.
    Type: Grant
    Filed: December 3, 2009
    Date of Patent: April 3, 2012
    Assignee: Panasonic Corporation
    Inventors: Yuichi Miyoshi, Yusuke Takeuchi, Tohru Yamaoka, Hiroshi Ogura
  • Patent number: 8067811
    Abstract: A MEMS device includes a first insulating film formed on a semiconductor substrate, a vibrating film formed on the first insulating film, and a fixed film above the vibrating film with an air gap being interposed therebetween. The semiconductor substrate has a region containing N-type majority carriers. A concentration of N-type majority carriers in a portion of the semiconductor substrate where the semiconductor substrate contacts the first insulating film, is higher than a concentration of N-type majority carriers in the other portion of the semiconductor substrate.
    Type: Grant
    Filed: November 2, 2010
    Date of Patent: November 29, 2011
    Assignee: Panasonic Corporation
    Inventors: Tohru Yamaoka, Yuichi Miyoshi
  • Publication number: 20110215672
    Abstract: A MEMS device includes: a semiconductor substrate; a vibrating film formed on the semiconductor substrate with a restraining portion interposed between the vibrating film and the semiconductor substrate, and including a lower electrode, and a fixed film formed on the semiconductor substrate with a support portion interposed between the fixed film and the semiconductor substrate to cover the vibrating film, and including an upper electrode. A gap formed between the vibrating film and the fixed film opposed to each other forms an air gap. The restraining portion provides partial coupling between the semiconductor substrate and the vibrating film, and the vibrating film has a multilayer structure in which the lower electrode and a compressive stress inducing insulating film are laminated. The insulating film is located within the perimeter of the lower electrode.
    Type: Application
    Filed: May 17, 2011
    Publication date: September 8, 2011
    Applicant: PANASONIC CORPORATION
    Inventors: TOHRU YAMAOKA, YUICHI MIYOSHI, YUSUKE TAKEUCHI
  • Publication number: 20110042763
    Abstract: A MEMS device includes a first insulating film formed on a semiconductor substrate, a vibrating film formed on the first insulating film, and a fixed film above the vibrating film with an air gap being interposed therebetween. The semiconductor substrate has a region containing N-type majority carriers. A concentration of N-type majority carriers in a portion of the semiconductor substrate where the semiconductor substrate contacts the first insulating film, is higher than a concentration of N-type majority carriers in the other portion of the semiconductor substrate.
    Type: Application
    Filed: November 2, 2010
    Publication date: February 24, 2011
    Applicant: PANASONIC CORPORATION
    Inventors: Tohru YAMAOKA, Yuichi Miyoshi
  • Publication number: 20110044480
    Abstract: An electret condenser includes a fixed film 110 including a conductive film 118 to be an upper electrode, a vibrating film 112 including a lower electrode 104 and a silicon oxide film 105 to be an electret film, and a silicon oxide film 108 provided between the fixed film 110 and the vibrating film 112 and including an air gap 109. Respective parts of the fixed film 110 and the vibrating film 112 exposed in the air gap 109 are formed of silicon nitride films 106 and 114.
    Type: Application
    Filed: November 4, 2010
    Publication date: February 24, 2011
    Applicant: PANASONIC CORPORATION
    Inventors: Tohru Yamaoka, Hiroshi Ogura, Yuichi Miyoshi
  • Patent number: 7853027
    Abstract: An electric condenser includes a fixed film 110 including a conductive film 118 to be an upper electrode, a vibrating film 112 including a lower electrode 104 and a silicon oxide film 105 to be an electric film, and a silicon oxide film 108 provided between the fixed film 110 and the vibrating film 112 and including an air gap 109. Respective parts of the fixed film 110 and the vibrating film 112 exposed in the air gap 109 are formed of silicon nitride films 106 and 114.
    Type: Grant
    Filed: February 7, 2005
    Date of Patent: December 14, 2010
    Assignee: Panasonic Corporation
    Inventors: Tohru Yamaoka, Hiroshi Ogura, Yuichi Miyoshi
  • Patent number: 7847359
    Abstract: A MEMS device includes a first insulating film formed on a semiconductor substrate, a vibrating film formed on the first insulating film, and a fixed film above the vibrating film with an air gap being interposed therebetween. The semiconductor substrate has a region containing N-type majority carriers. A concentration of N-type majority carriers in a portion of the semiconductor substrate where the semiconductor substrate contacts the first insulating film, is higher than a concentration of N-type majority carriers in the other portion of the semiconductor substrate.
    Type: Grant
    Filed: November 20, 2009
    Date of Patent: December 7, 2010
    Assignee: Panasonic Corporation
    Inventors: Tohru Yamaoka, Yuichi Miyoshi
  • Publication number: 20100077863
    Abstract: A diaphragm structure for a MEMS device includes a through-hole formed so as to penetrate from an upper surface to a bottom surface of a substrate; and a vibrating electrode film formed on the upper surface of the substrate so as to cover the through-hole. An opening shape of the through-hole in the upper surface of the substrate is substantially hexagonal.
    Type: Application
    Filed: December 3, 2009
    Publication date: April 1, 2010
    Applicant: PANASONIC CORPORATION
    Inventors: Yuichi MIYOSHI, Yusuke Takeuchi, Tohru Yamaoka, Hiroshi Ogura