Patents by Inventor Akihiro Takaiwa

Akihiro Takaiwa 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).

  • ABRASIVE-GRAIN WIRE TOOL
    Publication number: 20150283666
    Abstract: The wire tool with abrasive grains comprises a wire, and abrasive grains fixed by electrification hole plating in electrification holes, which are provided at multiple spots on the outer circumferential surface of the wire. The cylindrical electrification holes are disposed on a helical curve separated from each other by a uniform gap and the gap is larger than ? of the radius (R) of the electrification holes.
    Type: Application
    Filed: October 24, 2013
    Publication date: October 8, 2015
    Applicant: RIKEN CORUNDUM CO., LTD.
    Inventors: Hidetoshi Nakajima, Katsunori Shioyama, Akihiro Takaiwa, Kazuaki Tanaka, Satoru Suzuki, Takahiro Ushioda
  • Imino[(3-halogenophenyl)amino]acetic acid derivatives and herbicides containing same
    Patent number: 5006160
    Abstract: In accordance with the present invention, there are provided novel compounds represented by the following general formula [I], and herbicides containing as their active ingredients. ##STR1## wherein X.sub.1, X.sub.2, X.sub.3 and X.sub.4 are each hydrogen, halogen or methyl, and R is hydrogen or a lower alkyl.There are also provided herbicides containing as their active ingredients compounds represented by the following general formula [II]. ##STR2## wherein R is hydrogen or a lower alkyl.
    Type: Grant
    Filed: July 5, 1989
    Date of Patent: April 9, 1991
    Assignee: SDS Biotech Kabushiki Kaisha
    Inventors: Yuichi Sugiyama, Takashi Isono, Yukihiro Nakamura, Akihiro Takaiwa, Kenichi Komatsubara