Armstrong, Westerman, Hattori, McLeland & Naughton
Toothbrush
 A toothbrush is manufactured by planting sheath/core type composite fibers in a planting base, wherein the sheath/core type composite fiber further comprises: a composite portion consisting of a sheath portion made from polyester resin and 2 to 5 of core portions made from polyamide resin dispersed therein having a predetermined length from a planted base portion; and 2 to 5 of exposed core filament portions obtained by exposing the core portions only having a predetermined length on an end side from the composite portion. 
Sunstar, Inc.
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Koki Shinya Koichi Toyokazu Hitoshi
Nishimura Sakurai Kubo Mori Matsumoto