HF

Hiroyuki Fukayama

CC Citizen Watch Co.: 5 patents #213 of 1,225Top 20%
Overall (All Time): #1,039,566 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6731181 Temperature compensated oscillator using a control voltage generation circuit Yasuhiro Sakurai 2004-05-04
6239662 Mis variable capacitor and temperature-compensated oscillator using the same Yasuhiro Sakurai 2001-05-29
6175284 Temperature-compensated crystal oscillator having constant voltage generator with filter Yasuhiro Sakurai 2001-01-16
6160459 Temperature-compensated crystal oscillator Yasuhiro Sakurai 2000-12-12
6040744 Temperature-compensated crystal oscillator Yasuhiro Sakurai 2000-03-21