YH

Yukihisa Hiroyama

HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
📍 Hitachinaka, JP: #1,336 of 2,447 inventorsTop 55%
Overall (All Time): #1,746,025 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11889635 Joined body of joining base material and metal layer Hidenori Hayashida, Hideyuki Matsuo, Hiroyuki Hayashida 2024-01-30
4867843 Surface roughening of ceramics and application to production of ceramic wiring board Masayoshi Ikeda, Yutaka Taniguchi 1989-09-19