YM

Youichi Matsuoka

NC Nihon Dempa Kogyo Co.: 1 patents #180 of 296Top 65%
Overall (All Time): #4,031,856 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4439706 Quartz crystal vibrator Fumitaka Tajika 1984-03-27