Patents by Inventor Hideiti Kimura

Hideiti Kimura 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).

  • Ultra-high vacuum apparatus
    Patent number: 6031235
    Abstract: A vacuum container is evacuated to be kept at an ultra-high vacuum. Valve means is provided for connecting and disconnecting the inside of the vacuum container with and from the outside thereof, and includes a vacuum-tight seal made of a high polymer having a water absorptivity of 0.1% and less and an outgassing rate of 2.times.10.sup.-6 (Torr.multidot.l/sec/cm.sup.2 :at 200.degree. C.) and less.
    Type: Grant
    Filed: June 24, 1999
    Date of Patent: February 29, 2000
    Assignee: Hitachi, Ltd.
    Inventors: Yasuhiko Ishida, Minoru Hiroki, Toshiaki Kobari, Osamu Satou, Yasushi Nakaizumi, Akimitsu Okura, Hideiti Kimura