Patents by Inventor Masaki Kusuhura

Masaki Kusuhura 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).

  • Method for producing silica particles, synthetic quartz powder and synthetic quartz glass
    Publication number: 20030005724
    Abstract: A hydrous silica gel is dehydrated by freezing, thawing, and removing water separated by thawing, thereby yielding silica particles. In addition, the silica particles thus formed is washed and fired, thereby producing a synthetic quartz glass power.
    Type: Application
    Filed: June 28, 2002
    Publication date: January 9, 2003
    Inventors: Kunio Sugiyama, Shuichi Tada, Jinichi Omi, Tadahiro Nakada, Hiroshi Morita, Masaki Kusuhura, Hiroyuki Watanabe, Hirofumi Uehara, Keiko Sanpei