Patents by Inventor Tatsumi Nakamura

Tatsumi Nakamura 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).

  • Publication number: 20120198764
    Abstract: To provide a method for reducing phytotoxicity to turfgrass due to flazasulfuron, which is not expensive but easily available and simple in the field of horticulture/agriculture. Phytotoxicity to turfgrass due to flazasulfuron is reduced by using a pigment containing metal ions or a colorant comprising the pigment containing metal ions, particularly by using a phthalocyanine metal complex or a cyano-bridged metal complex.
    Type: Application
    Filed: October 13, 2010
    Publication date: August 9, 2012
    Applicant: Ishihara Sangyo Kaisha, Ltd.
    Inventors: Hiroshi Yoshii, Tatsumi Nakamura, Hiroshi Kikugawa, Tomoaki Kezuka, Ryu Yamada, Ema Mitsuno
  • Patent number: 5187245
    Abstract: A method of addition of polymerization initiator in the process of suspension polymerization or emulsion polymerization polymerizing a polymerizable monomer in aqueous medium, comprising introducing a low-temperature-active polymerization initiator taking part in the polymerization reaction to a piping system filled beforehand with water and successively adding said initiator in the piping system to polymerization system within 20 minutes using water.
    Type: Grant
    Filed: January 2, 1992
    Date of Patent: February 16, 1993
    Assignee: Tosoh Corporation
    Inventors: Tatsumi Nakamura, Mineo Nagano
  • Patent number: 4913346
    Abstract: A rotary washing nozzle includes a rotating portion provided with blowing nozzles of washing fluid and a rotational shaft directly connected to the rotating portion, a part of the rotational shaft being allowed to rotate through the transmission of magnetic force as a mechanism.
    Type: Grant
    Filed: December 5, 1988
    Date of Patent: April 3, 1990
    Assignee: Tosoh Corporation
    Inventors: Tatsumi Nakamura, Yasunori Takeshige