SI

Sadayuki Ishiyama

NC Nippon Petrochemicals, Co.: 6 patents #37 of 359Top 15%
PI Polymer Processing Research Inst.: 3 patents #9 of 23Top 40%
Overall (All Time): #884,899 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6124001 Method of making a composite material with controlled elasticity Yukio Sugita, Kintaro Aihara, Jun Yamada 2000-09-26
6063717 Hydroentangled nonwoven fabric and method of producing the same Jun Yamada 2000-05-16
6048808 Nonwoven fabric and method of making the same Kazuhiko Kurihara, Hiroshi Yazawa, Toshikazu Ohishi, Yoichi Mazawa, Yuki Kuroiwa +2 more 2000-04-11
5840633 Nonwoven fabric and method of making the same Kazuhiko Kurihara, Hiroshi Yazawa, Toshikazu Ohishi, Yoichi Mazawa, Yuki Kuroiwa +2 more 1998-11-24
5789328 Bulky nonwoven fabric and method for producing the same Kazuhiko Kurihara, Hiroshi Yazawa, Jun Yamada 1998-08-04
5702798 Composite material with controlled elasticity Yukio Sugita, Kintaro Aihara, Jun Yamada 1997-12-30