YH

Yuji Hamayama

SE Seiko Epson: 4 patents #3,385 of 7,774Top 45%
ET Epson Toyocom: 1 patents #38 of 102Top 40%
Overall (All Time): #1,224,372 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8405283 Flexural vibration piece and oscillator using the same Makoto Furuhata, Takashi Yamazaki 2013-03-26
8362854 Flexural vibration piece and oscillator using the same Makoto Furuhata, Akinori Yamada 2013-01-29
8294337 Flexural vibration piece, flexural vibrator, and electronic device Hiroki Kawai, Makoto Furuhata, Akinori Yamada 2012-10-23
8232707 Flexural vibration piece and oscillator using the same Makoto Furuhata, Takashi Yamazaki 2012-07-31