Patents by Inventor RYOHEI HARADA

RYOHEI HARADA 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: 11976585
    Abstract: To effectively suppress strong knock that occurs in the operating region of high load and high rotation in a specific engine having a pre-chamber in a combustion chamber, the engine includes a piston that defines a combustion chamber together with a cylinder block and a cylinder head. The combustion chamber includes a sub-chamber and a main chamber separated from the sub-chamber by a pre-chamber. The specific ratio obtained by dividing a bore/stroke ratio of a cylinder by the volume of the sub-chamber is greater than or equal to 6.6 cm?3 and less than or equal to 57.6 cm?3.
    Type: Grant
    Filed: November 17, 2022
    Date of Patent: May 7, 2024
    Assignee: Mazda Motor Corporation
    Inventors: Yuji Harada, Kenji Uchida, Ryohei Ono, Masayuki Kidokoro, Kazuhiro Nagatsu
  • Publication number: 20240102545
    Abstract: A transmission according to the disclosure includes: a case; a carrier housed inside the case and configured to rotate relative to the case; and a seal mechanism provided between the case and the carrier. The seal mechanism includes a seal lip portion having a lip end for sealing, the lip end being in linear contact with an outer circumferential surface of the carrier along a circumferential direction of the carrier.
    Type: Application
    Filed: September 20, 2023
    Publication date: March 28, 2024
    Inventors: Ryohei HARADA, Shuichi KAMAGATA, Kaoru YOTO
  • Patent number: 11938970
    Abstract: A control device that is mounted in a second vehicle which a first vehicle having a following travel function is detachably connected to or loaded on is provided. The control device includes a control unit configured to perform: detecting another vehicle that is within a predetermined range from the second vehicle in a state in which the second vehicle has the first vehicle connected thereto or loaded thereon and of which some or all of a scheduled travel route is the same as some or all of a scheduled travel route of the first vehicle after the first vehicle has been disconnected from the second vehicle; and transmitting following instruction information to the first vehicle and disconnecting the first vehicle from the second vehicle such that the first vehicle travels with the detected other vehicle as a preceding vehicle by the following travel function.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: March 26, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takahiro Harada, Teppei Nishiguchi, Kazuki Komoriya, Tomoaki Ihara, Miyu Higashimura, Toshihiro Nakaichi, Kazunobu Okasaka, Ryo Hattori, Yohei Tanigawa, Ryohei Kimbara, Hiroshi Nakamura
  • Patent number: 11069468
    Abstract: An object of the present disclosure is to provide a common mode choke coil with high impedance and small variation. A common mode choke coil includes magnetic core having winding core part and a pair of flange parts provided on opposite ends of winding core part, external electrodes formed on each of flange parts, a pair of windings wound on winding core part, with each of the ends being drawn out and joined to one of external electrodes, and magnetic plate joined to the pair of flange parts with adhesive. Magnetic plate has joining parts joined to flange parts and opposing part opposing winding core part, and surface roughness of joining parts is smaller than surface roughness of opposing part.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: July 20, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Tomohiro Fujita, Yuji Yasuoka, Kenji Ueno, Yoshiko Higashi, Tsutomu Inuduka, Kazuhiro Okuda, Ryohei Harada
  • Patent number: 10636561
    Abstract: A common mode noise filter includes plural non-magnetic layers stacked in a laminating direction, and first, second, and third coil conductors constituting first, second, and third coils which are formed on the non-magnetic layers and are independent from one another. The first and third coil conductors deviate from the second coil conductor in a direction perpendicular to the laminating direction.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: April 28, 2020
    Assignee: Panasonic Intellectual Property Management, Co., Ltd.
    Inventors: Ryohei Harada, Yoshiharu Oomori, Kenichi Matsushima, Kenji Ueno, Atsushi Shinkai
  • Publication number: 20190333675
    Abstract: An object of the present disclosure is to provide a common mode choke coil with high impedance and small variation. A common mode choke coil includes magnetic core having winding core part and a pair of flange parts provided on opposite ends of winding core part, external electrodes formed on each of flange parts, a pair of windings wound on winding core part, with each of the ends being drawn out and joined to one of external electrodes, and magnetic plate joined to the pair of flange parts with adhesive. Magnetic plate has joining parts joined to flange parts and opposing part opposing winding core part, and surface roughness of joining parts is smaller than surface roughness of opposing part.
    Type: Application
    Filed: June 23, 2017
    Publication date: October 31, 2019
    Inventors: TOMOHIRO FUJITA, YUJI YASUOKA, KENJI UENO, YOSHIKO HIGASHI, TSUTOMU INUDUKA, KAZUHIRO OKUDA, RYOHEI HARADA
  • Patent number: 10305441
    Abstract: A common mode noise filter includes first to fourth insulator layers stacked in a stacking direction and first to third coils provided on the first to fourth insulator layers independently of one another. The first coil includes a first coil conductor provided on the first insulator layer and a second coil conductor provided on the fourth insulator layer and connected to the first coil conductor. The second coil is provided on the second insulator layer. The third coil is provided on the third insulator layer. The first coil conductor overlaps the second coil viewing from above. At least a part of the second coil overlaps at least a part of the third coil viewing from above. The second coil conductor overlaps the third coil viewing from above.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: May 28, 2019
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Yoshiharu Omori, Kenichi Matsushima, Masakatsu Nawate, Ryohei Harada, Kenji Ueno
  • Patent number: 10096417
    Abstract: In a common mode noise filter, first coil (12) includes first coil conductor (16) and second coil conductor (17) with spiral shapes. Second coil (13) includes third coil conductor (18) and fourth coil conductor (19) with spiral shapes. First coil conductor (16), third coil conductor (18), second coil conductor (17), and fourth coil conductor (19) are placed in this order from above. First metal layer (14) configured to be connected to a ground is provided above first coil conductor (16).
    Type: Grant
    Filed: November 2, 2015
    Date of Patent: October 9, 2018
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yoshiharu Omori, Kenichi Matsushima, Ryohei Harada, Kenji Ueno, Atsushi Shinkai, Nariaki Ishida, Takeshi Ichihara
  • Publication number: 20180041185
    Abstract: A common mode noise filter includes first to fourth insulator layers stacked in a stacking direction and first to third coils provided on the first to fourth insulator layers independently of one another. The first coil includes a first coil conductor provided on the first insulator layer and a second coil conductor provided on the fourth insulator layer and connected to the first coil conductor. The second coil is provided on the second insulator layer. The third coil is provided on the third insulator layer. The first coil conductor overlaps the second coil viewing from above. At least a part of the second coil overlaps at least a part of the third coil viewing from above. The second coil conductor overlaps the third coil viewing from above.
    Type: Application
    Filed: December 7, 2015
    Publication date: February 8, 2018
    Inventors: YOSHIHARU OMORI, KENICHI MATSUSHIMA, MASAKATSU NAWATE, RYOHEI HARADA, KENJI UENO
  • Publication number: 20170294257
    Abstract: In a common mode noise filter, first coil (12) includes first coil conductor (16) and second coil conductor (17) with spiral shapes. Second coil (13) includes third coil conductor (18) and fourth coil conductor (19) with spiral shapes. First coil conductor (16), third coil conductor (18), second coil conductor (17), and fourth coil conductor (19) are placed in this order from above. First metal layer (14) configured to be connected to a ground is provided above first coil conductor (16).
    Type: Application
    Filed: November 2, 2015
    Publication date: October 12, 2017
    Inventors: YOSHIHARU OMORI, KENICHI MATSUSHIMA, RYOHEI HARADA, KENJI UENO, ATSUSHI SHINKAI, NARIAKI ISHIDA, TAKESHI ICHIHARA
  • Publication number: 20160372254
    Abstract: A common mode noise filter includes plural non-magnetic layers stacked in a laminating direction, and first, second, and third coil conductors constituting first, second, and third coils which are formed on the non-magnetic layers and are independent from one another. The first and third coil conductors deviate from the second coil conductor in a direction perpendicular to the laminating direction.
    Type: Application
    Filed: December 7, 2015
    Publication date: December 22, 2016
    Inventors: RYOHEI HARADA, YOSHIHARU OOMORI, KENICHI MATSUSHIMA, KENJI UENO, ATSUSHI SHINKAI