HS

Hiroshi Sumi

Ngk Spark Plug Co.: 1 patents #45 of 169Top 30%
Sumitomo Electric Industries: 1 patents #1,470 of 4,178Top 40%
Overall (2004): #61,797 of 270,089Top 25%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6706975 Paste for filling throughhole and printed wiring board using same Toshihumi Kojima 2004-03-16
6677562 High-frequency heating apparatus and cooling system for magnetron-driving power supply utilized in the apparatus Kosho Oshima, Masato Yamauchi, Yukio Abe 2004-01-13