SK

Seizo Katayama

JR Japan Synthetic Rubber: 1 patents #256 of 558Top 50%
TC Toshiba Silicone Co.: 1 patents #80 of 169Top 50%
Overall (All Time): #2,220,152 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6482892 Olefinic thermoplastic elastomer composition Kazuo Kimura, Kazuhiro Ohashi, Minoru Horie 2002-11-19
5171787 Silicone-based composite rubber composition and uses thereof Yoshiaki Zama, Itsuki Umeda, Yuichi Funahashi, Junichiro Watanabe, Kiyoshi Takeda +1 more 1992-12-15