YI

Yoshiyuki Ishihama

JP Japan Polychem: 1 patents #1 of 7Top 15%
JP Japan Polypropylene: 1 patents #2 of 6Top 35%
Overall (2005): #28,253 of 245,428Top 15%
2
Patents 2005

Issued Patents 2005

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6953831 Ethylene polymers Toshihiko Sugano, Masayuki Yamazaki, Kou Obata 2005-10-11
6943227 Catalyst for olefin polymerization and method of polymerization of olefin Toshihiko Sugano 2005-09-13