TK

Takafumi Kawanaka

NC Nippon Zeon Co.: 3 patents #4 of 103Top 4%
Overall (1994): #8,401 of 165,921Top 6%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5334683 Acrylate polymer elastomer and vulcanizable composition containing the same Takeshi Ohishi, Masahiro Shimizu 1994-08-02
5294233 Additive for organic medium or thermoplastic polymer Shizuo Kitahara, Hiroyuki Watanabe, Takuji Kishimoto, Tetuya Toyoshima, Kohkichi Noguchi 1994-03-15
5280080 Acrylic copolymer elastomer and vulcanizable composition containing same Kiyoshi Hosoya 1994-01-18