Patents by Inventor Hironori Sassa

Hironori Sassa 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).

  • Method of collecting bagworm silk thread
    Patent number: 11926927
    Abstract: Developed and provided is a method of collecting a large amount of high-quality bagworm silk threads having no contaminant from bagworm nests in a convenient manner and at low cost. The habit of bagworms is utilized to allow a bagworm to build a nest using solvent-soluble substances or thermally meltable substances as nest materials, followed by dissolving or melting the nest materials to separate the nest material from the bagworm silk threads, whereby only pure bagworm silk threads constituting the bagworm nest can be obtained.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: March 12, 2024
    Assignees: NATIONAL AGRICULTURE AND FOOD RESEARCH ORGANIZATION, KOWA COMPANY, LTD.
    Inventors: Taiyo Yoshioka, Tsunenori Kameda, Akimune Asanuma, Hironori Sassa
  • BAGWORM SILK THREAD COLLECTING METHOD
    Publication number: 20210372007
    Abstract: Developed and provided is a method of collecting a large amount of high-quality bagworm silk threads having no contaminant from bagworm nests in a convenient manner and at low cost. The habit of bagworms is utilized to allow a bagworm to build a nest using solvent-soluble substances or thermally meltable substances as nest materials, followed by dissolving or melting the nest materials to separate the nest material from the bagworm silk threads, whereby only pure bagworm silk threads constituting the bagworm nest can be obtained.
    Type: Application
    Filed: December 18, 2018
    Publication date: December 2, 2021
    Applicants: NATIONAL AGRICULTURE AND FOOD RESEARCH ORGANIZATION, KOWA COMPANY, LTD.
    Inventors: Taiyo YOSHIOKA, Tsunenori KAMEDA, Akimune ASANUMA, Hironori SASSA
  • Stable pharmaceutical composition
    Patent number: 6465477
    Abstract: Disclosed is a pharmaceutical composition comprising (E)-3,5-dihydroxy-7-[4′-4″-fluorophenyl-2′-cyclopropyl-quinolin-3′-yl]-6-heptenoic acid, or its salt or ester, of which the aqueous solution or dispersion has pH of from 6.8 to 8. The composition has good time-dependent stability and has no change in its outward appearance even after having been stored long.
    Type: Grant
    Filed: November 8, 1999
    Date of Patent: October 15, 2002
    Assignees: Kowa Company, Ltd., Nissan Chemical Industries, Ltd.
    Inventors: Toyojiro Muramatsu, Katsumi Mashita, Yasuo Shinoda, Hironori Sassa, Hiroyuki Kawashima, Yoshio Tanizawa, Hideatsu Takeuchi