Patents by Inventor Hajime Nagasawa

Hajime Nagasawa 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: 20240134318
    Abstract: An exterior member including an exterior main body which covers a whole periphery of a portion of an outer surface of a case main body in a peripheral direction; and fixing projection sections which are formed on predetermined lower edge portions of the exterior main body while projecting toward outer peripheral sides and fix the exterior main body to the case main body by a fixing member attached covering an outer peripheral surface of the case main body.
    Type: Application
    Filed: January 6, 2022
    Publication date: April 25, 2024
    Applicant: CASIO COMPUTER CO., LTD.
    Inventors: Shouta NAGASAWA, Hajime IGUCHI, Shin HITSUMOTO
  • Patent number: 8105193
    Abstract: A bicycle rear derailleur is basically provided with a base member, a movable member and a moving mechanism. The movable member pivotally supports a chain guide. The moving mechanism is coupled between the base member and the movable member so that the movable member is movable relative to the base member. The chain guide includes a first guide plate, a second guide plate, a guide pulley rotatably disposed between the first and second guide plates and a tension pulley rotatably disposed between the first and second guide plates. The first and second guide plates are releasably coupled together by a tool-less connection.
    Type: Grant
    Filed: October 10, 2008
    Date of Patent: January 31, 2012
    Assignee: Shimano Inc.
    Inventors: Shinya Oseto, Hajime Nagasawa, Satoru Kunisawa
  • Publication number: 20100093472
    Abstract: A bicycle rear derailleur is basically provided with a base member, a movable member and a moving mechanism. The movable member pivotally supports a chain guide. The moving mechanism is coupled between the base member and the movable member so that the movable member is movable relative to the base member. The chain guide includes a first guide plate, a second guide plate, a guide pulley rotatably disposed between the first and second guide plates and a tension pulley rotatably disposed between the first and second guide plates. The first and second guide plates are releasably coupled together by a tool-less connection.
    Type: Application
    Filed: October 10, 2008
    Publication date: April 15, 2010
    Applicant: SHIMANO INC.
    Inventors: Shinya OSETO, Hajime NAGASAWA, Satoru KUNISAWA
  • Publication number: 20090197718
    Abstract: A bicycle derailleur is basically provided with a base member, a linkage assembly movably coupled to the base member, a movable member movably coupled to the linkage assembly and a chain guide movably coupled to the movable member. The chain guide has a pair of cage plates, a first pulley rotatably supported between the cage plates and a second pulley rotatably supported between the cage plates. At least one of the cage plates includes a non-metallic cage body and at least one metallic insert. The metallic insert has an annular base part defining a pulley axle receiving bore supporting one of the pulley axles of the pulleys and a first fastening part having a plurality of projections extending radially outward from the first annular base part with the projections at least partially embedded in the non-metallic cage body.
    Type: Application
    Filed: April 10, 2009
    Publication date: August 6, 2009
    Applicant: SHIMANO INC.
    Inventor: Hajime NAGASAWA
  • Publication number: 20090137354
    Abstract: A bicycle derailleur is basically provided with a base member, a linkage assembly movably coupled to the base member, a movable member movably coupled to the linkage assembly, and a chain guide movably coupled to the movable member. The movable member includes a resin main body, a metallic coupling member fixed to the resin main body and a pivot axle having a first end coupled to the metallic coupling member. The chain guide pivotally coupled to a second end of the pivot axle of the movable member.
    Type: Application
    Filed: November 27, 2007
    Publication date: May 28, 2009
    Applicant: SHIMANO INC.
    Inventors: Shinya OSETO, Hajime NAGASAWA
  • Publication number: 20080153640
    Abstract: A bicycle derailleur is basically provided with a base member, a linkage assembly movably coupled to the base member, a movable member movably coupled to the linkage assembly and a chain guide movably coupled to the movable member. The chain guide has a pair of cage plates, a first pulley rotatably supported between the cage plates and a second pulley rotatably supported between the cage plates. At least one of the cage plates includes a non-metallic cage body and at least one metallic insert. The metallic insert has a pulley axle receiving bore supporting one of the pulley axles of the pulleys and a fastening part at least partially embedded in the non-metallic cage body.
    Type: Application
    Filed: December 26, 2006
    Publication date: June 26, 2008
    Applicant: Shimano Inc.
    Inventor: Hajime Nagasawa
  • Publication number: 20070173360
    Abstract: A bicycle rear derailleur includes a base member, a movable member and a linkage assembly. The base member is configured to be attached to a bicycle frame. The movable member has a chain guide portion. The linkage assembly is coupled between the base member and the movable member to move the chain guide portion between a retracted position and an extended position. Preferably, at least one of the base member and the movable member are pivotal relative to an axle that includes a tubular sleeve member having a grease receiving opening that extends between an exterior surface and an interior surface.
    Type: Application
    Filed: January 20, 2006
    Publication date: July 26, 2007
    Applicant: Shimano Inc.
    Inventors: Satoshi Shahana, Hajime Nagasawa
  • Publication number: 20070021246
    Abstract: A bicycle rear derailleur includes a bracket, a base member, a chain guide, a coupling mechanism and a support shaft. The bracket is arranged and configured for mounting to a bicycle frame. The bracket has a first mounting portion and a second mounting portion. The first mounting portion is formed with an open recess configured to at least partially receive a wheel axle. The base member is coupled to the second mounting portion of the bracket. The coupling mechanism is coupled between the base member and the chain guide so that the chain guide moves relative to the base member. The support shaft is configured to mount the base member to the bicycle frame at a location spaced apart from the open recess.
    Type: Application
    Filed: July 19, 2005
    Publication date: January 25, 2007
    Applicant: Shimano Inc.
    Inventors: Satoshi Shahana, Hajime Nagasawa