Patents by Inventor Masahiro Miyazawa

Masahiro Miyazawa 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).

  • 1-heterodiene derivative and pest control agent
    Patent number: 9012493
    Abstract: The present invention provides a pest control agent having a novel skeleton, which can be synthesized industrially, and also has excellent biological activity and residual effects. Specifically, the present invention provides a 1-heterodiene derivative represented by Formula (1) or a salt thereof, and a pest control agent including, as an active ingredient, a 1-heterodiene derivative or a salt thereof.
    Type: Grant
    Filed: November 9, 2010
    Date of Patent: April 21, 2015
    Assignee: Nippon Soda Co., Ltd.
    Inventors: Jyun Takahashi, Takehiko Nakamura, Masahiro Miyazawa, Isami Hamamoto, Jyun Kanazawa
  • 1-HETERODIENE DERIVATIVE AND PEST CONTROL AGENT
    Publication number: 20120225895
    Abstract: The present invention provides a pest control agent having a novel skeleton, which can be synthesized industrially, and also has excellent biological activity and residual effects. Specifically, the present invention provides a 1-heterodiene derivative represented by Formula (1) or a salt thereof, and a pest control agent including, as an active ingredient, a 1-heterodiene derivative or a salt thereof.
    Type: Application
    Filed: November 9, 2010
    Publication date: September 6, 2012
    Inventors: Jyun Takahashi, Takehiko Nakamura, Masahiro Miyazawa, Isami Hamamoto, Jyun Kanazawa
  • Optically active diphosphines, intermediates thereof, and processes for production thereof
    Patent number: 5268492
    Abstract: An optically active diphosphine having a bicyclo[2.2.1]heptane of the formula ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are difined in the specification and a metal complex comprising said optically active diphosphine are disclosed. A process for producing or purifying said optically active diphosphine is disclosed.
    Type: Grant
    Filed: August 27, 1992
    Date of Patent: December 7, 1993
    Assignee: Mitsui Toatsu Chemicals, Inc.
    Inventors: Keiji Yamamoto, Masahiro Miyazawa, Satoru Momose