KD

Kouichi Douya

Overall (All Time): #4,037,728 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, Keiji Watabe, Kazumoto Nakamura, Shouzo Takeuchi 1984-07-17