Patents by Inventor Toshio Takakura

Toshio Takakura 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).

  • Heterocyclic compound and use thereof
    Patent number: 11952344
    Abstract: Provided is a heterocyclic compound that can have an antagonistic action on an NMD A receptor containing the NR2B subunit and that is expected to be useful as a prophylactic or therapeutic agent for depression, bipolar disorder, migraine, pain, peripheral symptoms of dementia and the like. A compound represented by the formula (I), wherein each symbol is as defined in the DESCRIPTION, or a salt thereof.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: April 9, 2024
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Yuya Oguro, Makoto Kamata, Shuhei Ikeda, Takeshi Wakabayashi, Norihito Tokunaga, Taku Kamei, Mitsuhiro Ito, Shigemitsu Matsumoto, Hirotaka Kamitani, Takaharu Hirayama, Toshio Tanaka, Hiroshi Banno, Nobuyuki Takakura, Jinichi Yonemori, Takuya Fujimoto
  • Method and apparatus for production of metal powder by atomizing
    Patent number: 6254661
    Abstract: An atomizing method for producing metal powder, including splitting molten metal in the vicinity of an exit of a nozzle by introducing the molten metal into a center of the nozzle, wherein gas is flowing through the nozzle. The split molten metal is then further split into fine particles by liquid ejected in an inverse cone shaped flow from a slit surrounding a lower side of the nozzle. The resulting powder is of fine size and spherical or granular shape, and is suitable for metal injection shaping.
    Type: Grant
    Filed: April 13, 1998
    Date of Patent: July 3, 2001
    Assignee: Pacific Metals Co., Ltd.
    Inventors: Tohru Takeda, Yoshinari Tanaka, Masami Sasaki, Tokihiro Shimura, Koei Nakabayashi, Hiroyuki Azuma, Hideo Abo, Toshio Takakura, Yoshiyuki Kato