KT

Kouichi Tsuyama

HC Hitachi Chemical Company: 2 patents #6 of 99Top 7%
📍 Chikusei, JP: #3 of 22 inventorsTop 15%
Overall (1997): #32,723 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5689879 Metal foil for printed wiring board and production thereof Naoyuki Urasaki, Kiyoshi Hasegawa, Shuichi Hatakeyama, Akinari Kida, Akishi Nakaso +1 more 1997-11-25
5638598 Process for producing a printed wiring board Akishi Nakaso, Akinari Kida, Shuichi Hatakeyama, Naoyuki Urasaki 1997-06-17