Patents by Inventor Manami Kamakura

Manami Kamakura 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).

  • Gas chromatographic analysis of fluoromethyl-1,1,1,3,3,3-hexafluoroisopropyl ether
    Patent number: 5679576
    Abstract: The present invention provides a method in which organic matter in the product accompanied with a non-reacted hydrogen fluoride can be handled without damaging the apparatus, using a cross-linked cyanopropylmethylphenylsilicone capillary column with which impurities of very small amounts can be separated, and with which non-reacted raw materials and by-products, which have a wide range of boiling points can be quantitated.
    Type: Grant
    Filed: December 5, 1995
    Date of Patent: October 21, 1997
    Assignee: Central Glass Co., Ltd.
    Inventors: Toshikazu Kawai, Takaaki Yoshimura, Mineo Watanabe, Manami Kamakura