Inventor
FUKAYAMA HIROYUKI
JP6 patents
Patents
6 patentsUS6040744AMar 21, 2000
Temperature-compensated crystal oscillator
CITIZEN WATCH CO LTD73 citations94
US6731181B2May 4, 2004
Temperature compensated oscillator using a control voltage generation circuit
CITIZEN WATCH CO LTD46 citations91
US6239662B1May 29, 2001
Mis variable capacitor and temperature-compensated oscillator using the same
CITIZEN WATCH CO LTD19 citations82
US6175284B1Jan 16, 2001
Temperature-compensated crystal oscillator having constant voltage generator with filter
CITIZEN WATCH CO LTD12 citations72
US6160459ADec 12, 2000
Temperature-compensated crystal oscillator
CITIZEN WATCH CO LTD3 citations61
US4006584AFeb 8, 1977
Electronic timepiece
CITIZEN WATCH CO LTD0 citations41