YK

Yoshihiko Kiyono

SI Seiko Instruments: 2 patents #605 of 1,437Top 45%
SE Seiko Instruments & Electronics: 1 patents #72 of 164Top 45%
Overall (All Time): #1,673,454 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4759003 Electronic analog timepiece with voltage checking function Syuji Ohtawa, Hitoshi Ochiai, Hiroshi Odagiri, Yuichi Inoue 1988-07-19
4750099 Circuit for charging capacitors Yuichi Inoue, Shuji Ohtawa, Hitoshi Ochiai, Chiaki Nakamura 1988-06-07
4688948 Electronic analogue timepiece of DC magnetic field detection type 1987-08-25