Patents by Inventor Yasuhiro Nakamatsu

Yasuhiro Nakamatsu 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).

  • Paper regulating mechanism and paper cassette
    Patent number: 5769409
    Abstract: Paper regulating mechanism in a paper feed cassette for accomodating paper sheets, has: a regulation guide plate disposed below a bottom plate, on which are placed the paper sheets, and formed with a slit having a predetermined width; upper plate-shaped portions against which the paper sheets come into abutment; lower guided portions disposed at the lower ends of said upper plate-shaped portions and so loosely fitted in said slit as to easily move; rollers connected to said upper plate-shaped portions or said lower guided portions and rotatably abutting against said regulating guide plate; and lock members for fixing said upper plate-shaped portions in arbitrary positions with respect to said regulation guide plate.
    Type: Grant
    Filed: May 15, 1996
    Date of Patent: June 23, 1998
    Assignee: Mita Industrial Co., Ltd.
    Inventors: Yasuhiro Nakamatsu, Masao Otsuka, Fumio Hatanaka, Arihiro Tsunoda
  • Paper regulating mechanism and paper cassette
    Patent number: 5586757
    Abstract: Paper regulating mechanism in a paper feed cassette for accommodating paper sheets , has: a regulation guide plate disposed below a bottom plate, on which are placed the paper sheets, and formed with a slit having a predetermined width; upper plate-shaped portions against which the paper sheets come into abutment; lower guided portions disposed at the lower ends of said upper plate-shaped portions and so loosely fitted in said slit as to easily move; rollers connected to said upper plate-shaped portions or said lower guided portions and rotatably abutting against said regulating guide plate; and lock members for fixing said upper plate-shaped portions in arbitrary positions with respect to said regulation guide plate.
    Type: Grant
    Filed: January 12, 1995
    Date of Patent: December 24, 1996
    Assignee: Mita Industrial Co., Ltd.
    Inventors: Yasuhiro Nakamatsu, Masao Otsuka, Fumio Hatanaka, Arihiro Tsunoda