KK

Kunio Koyama

NS Nippon Steel: 1 patents #30 of 211Top 15%
📍 Machida, IL: #1 of 1 inventorsTop 100%
Overall (2003): #175,431 of 273,478Top 65%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6532995 Super-high-strength line pipe excellent in low temperature toughness and production method thereof Hitoshi Asahi, Hiroshi Tamehiro, Takuya Hara, Yoshio Terada, Shigeru Ohkita 2003-03-18