YT

Yoshiaki Tsubomatsu

HC Hitachi Chemical Company: 1 patents #8 of 61Top 15%
📍 Chikusei, JP: #1 of 8 inventorsTop 15%
Overall (1989): #40,096 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4830691 Process for producing high-density wiring board Akinari Kida, Naoki Fukutomi, Takuya Yasuoka 1989-05-16