KK

Kazuyoski Kayama

NC Nippon Zeon Co.: 1 patents #307 of 609Top 55%
The Yokohama Rubber Co.: 1 patents #666 of 1,136Top 60%
Overall (All Time): #3,977,607 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4677165 Rubber composition for tire tread Yasushi Kikuchi, Akinori Tokieda, Hiroyuki Watanabe, Shuichi Akita 1987-06-30