Patents by Inventor Seiji Motai

Seiji Motai 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).

  • Image Compression and Expansion Technique
    Publication number: 20090080787
    Abstract: The present invention aims at improving an image compression rate and enhancing quality of images after expansion. An image compression device generates compressed data formed by compressing an image.
    Type: Application
    Filed: December 11, 2008
    Publication date: March 26, 2009
    Applicant: International Business Machines Corporation
    Inventors: Toshiroh Hiromitsu, Yasuhiro Kitabatake, Seiji Motai, Yasushi Tsukamoto
  • Image compression and expansion technique
    Patent number: 7477795
    Abstract: The present invention aims at improving an image compression rate and enhancing quality of images after expansion. An image compression device generates compressed data formed by compressing an image.
    Type: Grant
    Filed: June 21, 2005
    Date of Patent: January 13, 2009
    Assignee: International Business Machines Corporation
    Inventors: Toshiroh Hiromitsu, Yasuhiro Kitabatake, Seiji Motai, Yasushi Tsukamoto
  • Keyboard illumination device for portable computer
    Patent number: 7436657
    Abstract: The present invention is directed to a device for illuminating a keyboard or other portion of a PC main body unit of a portable computer (e.g., a convertible PC that can be used as a notebook PC or a tablet PC) by utilizing a center latch mechanism. An embodiment of the invention includes a latch provided in the vicinity of an upper edge of the cover unit, and a latch receiving portion provided in the main-body unit. When the cover unit is closed, the latch receiving portion is engaged with the latch to secure the main-body unit and the cover unit in a position where the cover unit is closed. A light source is embedded in the cover unit in the vicinity of the latch, and a light-reflecting surface provided on a surface of the latch so that, when the cover unit is open, light from the light source can be reflected to the keyboard to illuminate the keyboard.
    Type: Grant
    Filed: March 26, 2007
    Date of Patent: October 14, 2008
    Assignee: International Business Machines Corporation
    Inventors: Seiji Motai, Seiichi Idei, Taketoshi Kohno, Noboru Aoyama
  • KEYBOARD ILLUMINATION DEVICE FOR PORTABLE COMPUTER
    Publication number: 20070253182
    Abstract: The present invention is directed to a device for illuminating a keyboard or other portion of a PC main body unit of a portable computer (e.g., a convertible PC that can be used as a notebook PC or a tablet PC) by utilizing a center latch mechanism. An embodiment of the invention includes a latch provided in the vicinity of an upper edge of the cover unit, and a latch receiving portion provided in the main-body unit. When the cover unit is closed, the latch receiving portion is engaged with the latch to secure the main-body unit and the cover unit in a position where the cover unit is closed. A light source is embedded in the cover unit in the vicinity of the latch, and a light-reflecting surface provided on a surface of the latch so that, when the cover unit is open, light from the light source can be reflected to the keyboard to illuminate the keyboard.
    Type: Application
    Filed: March 26, 2007
    Publication date: November 1, 2007
    Inventors: Seiji Motai, Seiichi Idei, Taketoshi Kohno, Noboru Aoyama
  • Image compression and expansion technique
    Publication number: 20050286789
    Abstract: The present invention aims at improving an image compression rate and enhancing quality of images after expansion. An image compression device generates compressed data formed by compressing an image.
    Type: Application
    Filed: June 21, 2005
    Publication date: December 29, 2005
    Applicant: International Business Machines Corporation
    Inventors: Toshiroh Hiromitsu, Yasuhiro Kitabatake, Seiji Motai, Yasushi Tsukamoto