KW

Keiji Watabe

📍 Ebetsu, JP: #16 of 35 inventorsTop 50%
Overall (All Time): #4,037,727 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4459842 Roll wear testing method and apparatus therefor Junji Kihara, Kouichi Douya, Kazumoto Nakamura, Shouzo Takeuchi 1984-07-17