TO

Tomoki OKA

NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
The Yokohama Rubber Co.: 1 patents #666 of 1,136Top 60%
Overall (All Time): #1,720,845 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12338916 Specification determination method of fiber reinforced member for marine hose and method of producing marine hose 2025-06-24
4800165 Method of detecting corrosion rate of member of steel material Hiroshi Kihira, Kazumi Matsuoka, Satoshi Ito 1989-01-24