Patents by Inventor Kunihiro Sasai

Kunihiro Sasai 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).

  • Spacer for optical fiber cable and polyethylene resin composition therefor
    Patent number: 5737468
    Abstract: A polyethylene resin composition for spacer for optical fiber cable provided with a plurality of channels spirally formed on the periphery surface thereof for receiving the optical fiber comprising polyethylene resin having a melt index of more than or equal to 0.01 g/10 min to less than 0.30 g/10 min, a density of 0.941 to 0.955 g/cm.sup.3 and a flow ratio (HLMI/MLMI) in accordance with JIS K7210 of 20 to 55, and optionally fluorine elastomer.
    Type: Grant
    Filed: October 12, 1995
    Date of Patent: April 7, 1998
    Assignees: Showa Denko K.K., Sumitomo Electric Industries, Ltd.
    Inventors: Kunihiro Sasai, Terumitu Kotani, Akira Nakamura, Hiroshi Shibano, Takashi Tanaka, Takashi Saito, Hiroshi Satani