RK

Ryohei Kamiya

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HC Hitachi Electronics Engineering Co.: 1 patents #61 of 175Top 35%
SI Seiko Instruments: 1 patents #836 of 1,437Top 60%
Overall (All Time): #2,092,858 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8212325 Electrostatic vibrator and electronic apparatus Fumio Kimura, Hiroshi Takahashi, Ryuta Mitsusue, Yoshifumi Yoshida 2012-07-03
5018145 IC tester Shuji Kikuchi, Yoshio Ouchida 1991-05-21