Patents by Inventor Toshimitsu Okubo

Toshimitsu Okubo 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: 4934850
    Abstract: A platen for a printer includes a tubular body section, shaft sections extending from opposite ends of the body section away from each other and coaxially with the body section and an elastic layer provided on an outer periphery of the body section. The shaft sections are smaller in diameter than the body section.
    Type: Grant
    Filed: August 2, 1988
    Date of Patent: June 19, 1990
    Assignee: Ricoh Company, Ltd.
    Inventors: Toshimitsu Okubo, Mamoru Takezawa, Mitsuyoshi Satoh, Kazuhiro Suzuki
  • Patent number: 4919045
    Abstract: An offset printer having a printing section and a plate making section in a unitary assembly. The plate making section is located above the printing section. The printing section includes a plate drum, a rubber drum, and a press drum. The press drum is disposed above and at a predetermined angle relative to the rubber drum. The diameter of the press drum is at least two times as great as the diameter of the rubber drum.
    Type: Grant
    Filed: October 14, 1988
    Date of Patent: April 24, 1990
    Assignee: Ricoh Company, Ltd.
    Inventors: Toshimitsu Okubo, Kazuyoshi Kobayashi, Kohki Ohmura, Yoshinobu Sai, Takuo Satoh, Yukihiko Yoshino, Nobuyuki Hoshi, Takayuki Onodera, Yasuo Endoh, Sigenobu Irokawa, Toshiaki Sannohe
  • Patent number: 4799814
    Abstract: A paper bail in a printer having a platen includes two bail levers rotatably mounted on the printer and pressed toward the platen by a spring. An elongate bail plate is formed as a flat metal sheet having a L-shaped section, one side of which extends substantially transverse to a line connecting the bail plate with a rotational axis of the bail levers. A bail roller on the bail plate is mounted thereon by an elastic member capable of permitting only axial movement of the bail roller when the bail roller is out of contact with the platen, and permitting only rotational movement of the bail roller when the bail roller is in contact with the platen.
    Type: Grant
    Filed: March 12, 1986
    Date of Patent: January 24, 1989
    Assignee: Ricoh Company, Ltd.
    Inventors: Toshimitsu Okubo, Mamoru Takezawa, Mitsuyoshi Satoh, Kazuhiro Suzuki