Patents by Inventor Yoshirou Watanabe

Yoshirou Watanabe 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: 7253142
    Abstract: The present invention provides stable protein solution formulations filled in a container made from a hydrophobic resin at least for the part in direct contact with said formulation.
    Type: Grant
    Filed: September 8, 2000
    Date of Patent: August 7, 2007
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Nobuyuki Suzuki, Naoki Mitsui, Takaya Hiraishi, Yoshirou Watanabe
  • Publication number: 20030032928
    Abstract: A pre-filled syringe assembly is achieved which prevents, with a strong force, a stopper provided therein from being pulled out, and wherein the stopper can be prevented from being scratched.
    Type: Application
    Filed: August 29, 2002
    Publication date: February 13, 2003
    Inventors: Morihiro Sudo, Shigeru Sugihara, Miyo Sugihara, Yoshirou Watanabe
  • Patent number: 5412927
    Abstract: A longitudinal bag-making, filling and packaging machine, wherein in an outer surface of a product falling and filling tube wrapped by a packaging film folded into a tubular shape by a bag-making device, the packaging film is continuously fed downward by a film feeding device and an edge of the packaging film of which film inner surfaces are superposed on each other in a rib-like fashion is held in a longitudinal sealing device to longitudinally disposition-seal the end edge to form a packaging tube, an article to be packaged supplied through the product falling and filling tube is filled into the packaging tube hung down from the product falling and filling tube and the upper and lower portions of the article to be packaged of the packaging tube are laterally dipositioned-sealed into two strips by a lateral sealing and cutting device and the sealed portion of the two strips is cut.
    Type: Grant
    Filed: November 18, 1993
    Date of Patent: May 9, 1995
    Assignee: Kawashimaseisakusyo Co., Ltd.
    Inventors: Kiyoshi Miyazaki, Tomoyuki Wakai, Akira Isosaka, Yoshirou Watanabe, Yukio Koyano