SK

Sumio Koiwa

Dai Nippon Printing Co.: 2 patents #35 of 222Top 20%
Overall (2020): #117,660 of 565,922Top 25%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10790221 Through-hole electrode substrate Satoru Kuramochi, Hidenori Yoshioka 2020-09-29
10580727 Through-hole electrode substrate Satoru Kuramochi, Hidenori Yoshioka 2020-03-03