SO

Syuji Ohtawa

SI Seiko Instruments: 1 patents #836 of 1,437Top 60%
Overall (All Time): #3,955,855 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4759003 Electronic analog timepiece with voltage checking function Yoshihiko Kiyono, Hitoshi Ochiai, Hiroshi Odagiri, Yuichi Inoue 1988-07-19