IY

Iwao Yamada

NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
Overall (All Time): #2,290,820 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5474736 Methods for manufacturing tubes filled with powdery and granular substances Nobuo Araki, Takeji Kagami, Toru Ono, Seiji Hashimoto 1995-12-12
5192016 Methods for manufacturing tubes filled with powdery and granular substances Nobuo Araki, Takeji Kagami, Yoji Chatani, Shunichi Kikuta, Masao Kamada +6 more 1993-03-09