Patents Assigned to Tanaka Kikinzoku Kyogo K.K.
  • Spinneret for manufacturing modified cross-section fibers with optical function
    Patent number: 5753277
    Abstract: A spinneret for manufacturing modified cross-section fibers with optical function includes tubes arranged to a spinneret for spinning an island portion, and a partition device for enclosing the tubes for leading a melt polymer. The spinneret and the partition device cooperating with each other to define a predetermined space.
    Type: Grant
    Filed: February 15, 1996
    Date of Patent: May 19, 1998
    Assignees: Nissan Motor Co., Ltd., Tanaka Kikinzoku Kyogo K.K.
    Inventors: Takeshi Kikutani, Katsumi Morohoshi, Susumu Shimizu, Akio Sakihara, Hiroshi Tabata, Kinya Kumazawa