Assignee
ONITSUKA OSAMU
JP2 patents
Top patents by PatentIndex Score
US8212454B2Jul 3, 2012
Piezoelectric vibrator, piezoelectric vibrator manufacturing method, oscillator, electronic device, radio-controlled timepiece
ONITSUKA OSAMU21 citations90
US8400050B2Mar 19, 2013
Piezoelectric vibrator having a restriction portion for restricting scattering of a getter material, oscillator, electronic equipment and radio-controlled timepiece
ONITSUKA OSAMU4 citations60