Patents by Inventor Jun Sonoda

Jun Sonoda 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).

  • Operator's cab in construction machine
    Patent number: 6325450
    Abstract: An operator's cab in a construction machine in which hollow pillar portions are formed each with an outer panel and an inner panel bonded to each other and the hollow pillar portions constitute an operator's cab frame, includes at least one reinforcement member constituted of thin plate that is bonded to the outer panel and/or the inner panel to divide an internal space of each of the hollow pillar portions.
    Type: Grant
    Filed: February 7, 2001
    Date of Patent: December 4, 2001
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Tsuyoshi Sakyo, Toichi Hirata, Kazuhisa Tamura, Jun Sonoda, Takashi Nakagawa
  • Operator's cab in construction machine
    Publication number: 20010005092
    Abstract: An operator's cab in a construction machine in which hollow pillar portions are formed each with an outer panel and an inner panel bonded to each other and the hollow pillar portions constitute an operator's cab frame, includes at least one reinforcement member constituted of thin plate that is bonded to the outer panel and/or the inner panel to divide an internal space of each of the hollow pillar portions.
    Type: Application
    Filed: February 7, 2001
    Publication date: June 28, 2001
    Applicant: HITACHI CONSTRUCTION MACHINERY CO., LTD.
    Inventors: Tsuyoshi Sakyo, Toichi Hirata, Kazuhisa Tamura, Jun Sonoda, Takashi Nakagawa
  • Operator's cab in construction machine
    Patent number: 6209949
    Abstract: An operator's cab in a construction machine in which hollow pillar portions are formed each with an outer panel and an inner panel bonded to each other and the hollow pillar portions constitute an operator's cab frame, includes at least one reinforcement member constituted of thin plate that is bonded to the outer panel and/or the inner panel to divide an internal space of each of the hollow pillar portions.
    Type: Grant
    Filed: December 1, 1998
    Date of Patent: April 3, 2001
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Tsuyoshi Sakyo, Toichi Hirata, Kazuhisa Tamura, Jun Sonoda, Takashi Nakagawa
  • Operator's cab for construction machines
    Patent number: 6206457
    Abstract: An operator's cab in a construction machine, which has pillars standing at a left side surface and a right side surface, includes a frame reinforcement member that extends between the pillars and meets at a near right angle to the pillars so as to create a resistance against a bending load applied to the pillars.
    Type: Grant
    Filed: August 3, 1999
    Date of Patent: March 27, 2001
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Tsuyoshi Sakyo, Toichi Hirata, Kazuhisa Tamura, Jun Sonoda
  • End bearing for one-way clutch
    Patent number: 5570766
    Abstract: An end bearing for one-way clutch which is preferred for use in an automatic transmission is disclosed. The end bearing comprises a body formed of a steel plate, a hard coating applied to the surface of the body, and a soft coating applied to the surface of the hard coating. The steel plate of the body assures a sufficient rigidity. Regions of the end bearing which provide sliding surfaces are covered by a soft coating and a hard coating, which improves the anti-seizing resistance and the durability of the end bearing.
    Type: Grant
    Filed: March 14, 1995
    Date of Patent: November 5, 1996
    Assignees: Taiho Kogyo Co., Ltd., Koyo Seiko Co., Ltd.
    Inventors: Eichi Sato, Yoshihiro Kaku, Yuji Yokota, Hiroshi Shibata, Masanori Hatanaka, Eiji Sugiyama, Jun Sonoda, Tetsuaki Numata