TO

Tetsumi Ohtsuka

DK Denki Kagaku Kogyo: 1 patents #14 of 48Top 30%
Overall (2011): #149,548 of 364,097Top 45%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8029903 Silicon nitride substrate, silicon nitride circuit board utilizing the same, and use thereof Takeshi Gotoh, Motoharu FUKAZAWA 2011-10-04