Patents by Inventor Yuji Sawamura

Yuji Sawamura 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).

  • Reflective screen
    Patent number: 7633677
    Abstract: A reflective screen that uses an aluminum-foil reflecting layer, wherein speckling can easily be suppressed in the reflective screen. The reflective screen is composed of a surface diffusion layer, a transparent adhesive layer, and an aluminum-foil reflecting layer layered together. A diffusing material is added to the transparent adhesive layer, and a transparent layer having a prescribed thickness is provided between the transparent adhesive layer and the aluminum-foil reflecting layer.
    Type: Grant
    Filed: December 22, 2004
    Date of Patent: December 15, 2009
    Assignees: Arisawa Mfg. Co., Ltd., Sony Corporation
    Inventors: Masatoshi Niwa, Hajime Maruta, Norimitsu Ebata, Yuji Sawamura, Ken Kikuchi, Tomoya Yano
  • Reflective screen
    Publication number: 20070146875
    Abstract: A reflective screen that uses an aluminum-foil reflecting layer, wherein speckling can easily be suppressed in the reflective screen. The reflective screen is composed of a surface diffusion layer 1, a transparent adhesive layer 2, and an aluminum-foil reflecting layer 5 layered together. A diffusing material is added to the transparent adhesive layer 2, and a transparent layer 3 having a prescribed thickness is provided between the transparent adhesive layer 2 and the aluminum-foil reflecting layer 5.
    Type: Application
    Filed: December 22, 2004
    Publication date: June 28, 2007
    Applicants: ARISAWA MFG. CO., LTD., SONY CORPORATION
    Inventors: Masatoshi Niwa, Hajime Maruta, Norimitsu Ebata, Yuji Sawamura, Ken Kikuchi, Tomoya Yano
  • Reflex-type screen
    Patent number: 7221508
    Abstract: The reflex-type screen includes an aluminum film reflecting layer for reflecting incident light, a lower adhesive layer which is made of adhesive agent, a polarization layer for transmitting the polarized light, a upper adhesive layer which is made of adhesive agent, and a surface diffusion layer for transmitting a part of the incident light and diffusing and reflecting anther part of the incident light, and the upper adhesive layer includes a diffusing agent dispersedly.
    Type: Grant
    Filed: June 30, 2004
    Date of Patent: May 22, 2007
    Assignee: Arisawa Mfg. Co., Ltd.
    Inventors: Hajime Maruta, Norimitsu Ebata, Yuji Sawamura, Masatoshi Niwa
  • Reflex-type screen
    Publication number: 20050141091
    Abstract: The reflex-type screen 10 comprises an aluminum film reflecting layer 20 for reflecting incident light, a lower adhesive layer 18 which is made of adhesive agent, a polarization plate 16 for transmitting the polarized light, a upper adhesive layer 14 which is made of adhesive agent, and a surface diffusion layer 12 with a diffusing agent included inside dispersedly, for transmitting a part of the incident light and diffusing and reflecting anther part of the incident light, and the upper adhesive layer 14 include a diffusing agent 30 dispersedly.
    Type: Application
    Filed: June 30, 2004
    Publication date: June 30, 2005
    Inventors: Hajime Maruta, Norimitsu Ebata, Yuji Sawamura, Masatoshi Niwa
  • Reflex-type screen
    Publication number: 20050141086
    Abstract: The reflex-type screen10 includes an aluminum film reflecting layer 20 for reflecting incident light, a lower adhesive layer 18 which is made of adhesive agent, a polarization plate16 for transmitting the polarized light, a upper adhesive layer14 which is made of adhesive agent, and a surface diffusion layer12 for transmitting a part of the incident light and diffusing and reflecting anther part of the incident light, and the upper adhesive layer14 includes a diffusing agent dispersedly.
    Type: Application
    Filed: June 30, 2004
    Publication date: June 30, 2005
    Applicant: Arisawa Mfg. Co., Ltd.
    Inventors: Hajime Maruta, Norimitsu Ebata, Yuji Sawamura, Masatoshi Niwa