SK

Seiichi Kawahara

TI Tokai Rubber Industries: 2 patents #181 of 557Top 35%
📍 Nagaoka, JP: #50 of 243 inventorsTop 25%
Overall (All Time): #1,533,496 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8791209 Modified natural rubber particle, production method thereof, and modified natural rubber latex Osamu Wakisaka, Akihiro Shibahara, Yoshimasa Yamamoto, Nanthaporn Pukkate 2014-07-29
8476348 Protein-free natural rubber, latex thereof, and method for manufacturing said rubber and latex Yoshimasa Yamamoto, Oraphin Chaikumpollert, Phan Trung Nghia 2013-07-02
8357758 Modified natural rubber particle, production method thereof, and modified natural rubber latex Osamu Wakisaka, Akihiro Shibahara, Yoshimasa Yamamoto, Nanthaporn Pukkate 2013-01-22