TH

Tsutomu Hamatani

YK Yoshida Kogyo K.K.: 5 patents #86 of 468Top 20%
YK Ykk: 3 patents #225 of 845Top 30%
📍 Namerikawa, JP: #8 of 63 inventorsTop 15%
Overall (All Time): #664,231 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6647555 Belt-like article, and neck strap, hung-object-supporting body and product-storing body using the same belt-like article Yoshiharu Yamaguchi, Yoshimichi Yamakita, Ikuo Hirao, Takashi Adachi 2003-11-18
6230373 Slide fastener made of synthetic resin Tatsumi Wakai, Yoshiharu Yamaguchi, Mutsuo Hirota, Toyosaku Ogura 2001-05-15
6056901 Method for manufacture of regenerated synthetic resin product Kenshi Hamamori 2000-05-02
5369847 Flexible fastener Masahiro Naya 1994-12-06
5272794 Flexible closure device Yutaka Tominaga 1993-12-28
5129127 Slide fastener stringer 1992-07-14
5111919 Container with inner compartment case Seihei Tomita 1992-05-12
4580963 Method of and apparatus for chopping runners and sprues Hiroshi Yoshida 1986-04-08