Patents by Inventor Takashi Kamahara

Takashi Kamahara 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).

  • POLYOLEFIN-BASED RESIN PELLET AND METHOD FOR PRODUCING SAME
    Publication number: 20230159735
    Abstract: A polyolefin-based resin pellet which generates less fine powder is provided. The polyolefin-based resin pellet contains: a polyolefin-based resin; an erucic acid amide; and a fatty acid amide having 20 or less carbon atoms, in which a content of the fatty acid amide having 20 or less carbon atoms is 1% to 6% by mass with respect to 100% by mass of a total amount of the erucic acid amide and the fatty acid amide having 20 or less carbon atoms.
    Type: Application
    Filed: May 10, 2021
    Publication date: May 25, 2023
    Inventor: Takashi KAMAHARA
  • Macrolide compound in solid form, process for preparation thereof, and pharmaceutical composition containing the same
    Patent number: 7790887
    Abstract: The present invention provides the compound of formula (I) in a solid form which, as a bulk medicament for pharmaceutical manufacture, is uniform, has a high purity, and is easy to work with. The invention further provides a process for preparing this compound, and pharmaceutical compositions containing the same. A solid form of (8E,12E,14E)-7-{(4-cycloheptylpiperazin-1-yl)carbonyl}oxy-3,6,16,21-tetrahydroxy-6,10,12,16,20-pentamethyl-18,19-epoxytricosa-8,12,14-trien-11-olide which has uniform specifications and is easy to work with was developed.
    Type: Grant
    Filed: January 28, 2008
    Date of Patent: September 7, 2010
    Assignees: Eisai R&D Management Co., Ltd., Mercian Corporation
    Inventors: Hiroshi Ishihara, Manabu Sasho, Keizo Sato, Takashi Kamahara, Masashi Yoshida
  • MACROLIDE COMPOUND IN SOLID FORM, PROCESS FOR PREPARATION THEREOF, AND PHARMACEUTICAL COMPOSITION CONTAINING THE SAME
    Publication number: 20080214564
    Abstract: The present invention provides the compound of formula (I) in a solid form which, as a bulk medicament for pharmaceutical manufacture, is uniform, has a high purity, and is easy to work with. The invention further provides a process for preparing this compound, and pharmaceutical compositions containing the same. A solid form of (8E,12E,14E)-7-{(4-cycloheptylpiperazin-1-yl)carbonyl}oxy-3,6,16,21-tetrahydroxy-6,10,12,16,20-pentamethyl-18,19-epoxytricosa-8,12,14-trien-11-olide which has uniform specifications and is easy to work with was developed.
    Type: Application
    Filed: January 28, 2008
    Publication date: September 4, 2008
    Applicants: Eisai R&D Management Co., Ltd., MERCIAN CORPORATION
    Inventors: Hiroshi ISHIHARA, Manabu Sasho, Keizo Sato, Takashi Kamahara, Masashi Yoshida