Patents by Inventor Takamitsu Otani

Takamitsu Otani 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).

  • Coated seed and process for producing the same
    Patent number: 5918413
    Abstract: The present invention is characterized by coating a seed with from 0.1 to 25% by weight of a powder (A) composed of one or both of montmorillonite and bentonite and having an average particle diameter of 30 .mu.m or less and from 99.9 to 75% by weight of a powder (B) composed of a material other than montmorillonite and bentonite and having an average particle diameter of at least 10 .mu.m and at most 30 .mu.m using a polyvinyl alcohol aqueous solution having an aqueous solution viscosity at 25.degree. C. of 50 mPa.multidot.s or less as a binder. Consequently, a coated seed obtained by coating a seed, especially a light-favoured seed, easily absorbs water in sowing and is easily cracked in absorbing water. Further, the easy cracking thereof remains unchanged with the course of time. In the coating, formation of by-product seedless spherical pellets is little observed.
    Type: Grant
    Filed: June 9, 1998
    Date of Patent: July 6, 1999
    Assignees: Dai-Ichi Kogyo Seiyaku Co., Ltd., Takii Shubyo Kabushiki Kaisha
    Inventors: Takamitsu Otani, Hiroyuki Nakata, Toshikazu Akao, Yoshihiro Maeda