Patents by Inventor Nobuki Seike

Nobuki Seike 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).

  • Molding of light reflector
    Patent number: 4931227
    Abstract: A light reflection material comprises transparent body of organic glass having therein a thin through hole or holes whose inner wall is smooth. This material is useful for an ornamental material, a lighting material, eye-obstructing material, shading material, etc.This material is manufactured by pouring a raw material into a mold within which a thread or threads of synthetic fiber are straightly or curvedly set according to aimed pattern and pulling the thread or threads out of the formed body to form a thin hole or holes or pulling the thread or threads to separate them from the inner wall of the hole or holes. As a result of it, a hole or holes of a shape and number corresponding to those of the thread or threads are formed in the formed body.
    Type: Grant
    Filed: October 14, 1988
    Date of Patent: June 5, 1990
    Assignee: Nissan Chemical Industry Co., Ltd.
    Inventors: Sumio Nakahashi, Fumihiko Miyamae, Nobuki Seike
  • Light reflection material, its manufacture and application
    Patent number: 4830899
    Abstract: A light reflection material comprises transparent body of organic glass having therein a thin through hole or holes whose inner wall is smooth. This material is useful for an ornamental material, a lighting material, eye-obstructing material, shading material, etc.This material is manufactured by pouring a raw material into a mold within which a thread or threads of synthetic fiber are straightly or curvedly set according to aimed pattern and pulling the thread or threads out of the formed body to form a thin hole or holes or pulling the thread or threads to separate them from the inner wall of the hole or holes. As a result of it, a hole or holes of a shape and number corresponding to those of the thread or threads are formed in the formed body.
    Type: Grant
    Filed: June 29, 1987
    Date of Patent: May 16, 1989
    Assignee: Nissen Chemical Industry Co., Ltd.
    Inventors: Sumio Nakahashi, Fumihiko Miyamae, Nobuki Seike