Patents by Inventor NOBUHISA YADA

NOBUHISA YADA 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: 9823563
    Abstract: To provide an alcohol compound containing fewer impurities at a high yield by conducting the following steps: a hydroboration process in which a reaction mixture is obtained by reacting in a solvent a compound represented by formula (C) and a boron agent selected from a group of diborane and borane complexes; and an oxidation process in which the pH of the reaction mixture is set at 0.5 to 4, which is conducted after treating the reaction mixture with hydrogen peroxide. In the formula, A1 to A6 are each independently a hydrogen atom, methyl group or ethyl group, and X is an oxygen atom, sulfur atom, methylene group or ethylene group.
    Type: Grant
    Filed: June 14, 2012
    Date of Patent: November 21, 2017
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Satoshi Sakuma, Masashi Serizawa, Atsushi Yasuda, Nobuhisa Yada, Shinichi Maeda
  • Publication number: 20050074499
    Abstract: A ligand-bonded complex which does not react with a free target such as a soluble tumor antigen, but enables substantially specific reaction with a non-free target such as a tumor cell and a tumor antigen existing in the cell.
    Type: Application
    Filed: November 29, 2004
    Publication date: April 7, 2005
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Toshiaki Tagawa, Tsutomu Suzuki, Nobuhisa Yada, Kazuhiro Nagaike, Youko Hirakawa, Saiko Hosokawa
  • Publication number: 20020025312
    Abstract: A bifunctional water-soluble polymer derivative having a moiety reactive with an amino group and a thiol group moiety or a latent thiol group moiety.
    Type: Application
    Filed: September 16, 1998
    Publication date: February 28, 2002
    Inventors: TOSHIAKI TAGAWA, TSUTOMU SUZUKI, NOBUHISA YADA, KAZUHIRO NAGAIKE, YOKO HIRAKAWA, SAIKO HOSOKAWA