KO

Keiichi Oouchi

SI Seiko Instruments: 1 patents #836 of 1,437Top 60%
Overall (All Time): #3,400,854 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7294951 Piezoelectric vibrator, manufacturing method thereof, oscillator, electronic equipment, radio clock Susumu Yoshida, Shuji Yamane 2007-11-13