Patents by Inventor Shin Athara

Shin Athara 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 preparation alkoxyphthalocyanine
    Patent number: 5220010
    Abstract: There is here disclosed a method for preparing an alkoxyphthalocyanine represented by the formula (1): ##STR1##
    Type: Grant
    Filed: December 24, 1991
    Date of Patent: June 15, 1993
    Assignees: Mitsui Toatsu Chemicals, Incorporated, Yamamoto Chemicals, Incorporated
    Inventors: Takahisa Oguchi, Kenichi Sugimoto, Shin Athara, Hisato Itoh, Mansuke Matsumoto, Toshihiro Masaoka, Masakazu Nakamura