MK

Mituaki Koyama

NC Nihon Dempa Kogyo Co.: 1 patents #9 of 24Top 40%
Overall (2004): #153,204 of 270,089Top 60%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6680560 Heat resistant quartz-crystal unit Genwa Koki, Mikio Saito, Shigeru Obara 2004-01-20