KY

Kou Yamazaki

SI Seiko Instruments: 1 patents #836 of 1,437Top 60%
Overall (All Time): #3,884,060 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5043956 Wristwatch with oscillation alarm Nobuo Tsukada, Keishi Honmura 1991-08-27