Patents by Inventor Motoi Takenaga

Motoi Takenaga 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).

  • Patent number: 4542001
    Abstract: A fine particulate crystalline aluminum orthophosphate is obtained by reacting an aqueous phosphoric acid solution with an aluminum oxide under heating in an organic solvent which is incompatible with water.
    Type: Grant
    Filed: August 22, 1983
    Date of Patent: September 17, 1985
    Assignee: Mitsui Toatsu Chemicals, Inc.
    Inventors: Shinji Iino, Kensaku Maruyama, Motoi Takenaga, Kazuhiko Muramoto, Mitsutomo Tsuhako