SK

Shigezou Kojima

NC Nippon Petrochemicals, Co.: 2 patents #116 of 359Top 35%
PI Polymer Processing Research Inst.: 1 patents #13 of 23Top 60%
PI Polymer Processing Research Institute: 1 patents #28 of 38Top 75%
Overall (All Time): #2,294,416 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5312500 Non-woven fabric and method and apparatus for making the same Kazuhiko Kurihara, Hiroshi Yazawa, Toshikazu Oishi 1994-05-17
4992124 Method of making cross-laminated stretched non-woven fabric Kazuhiko Kurihara, Hiroshi Yazawa, Haruhisa Tani, Setsuya Tsuyama, Yasuo Sasaki 1991-02-12