YN

Yukio Nagami

DS Daini Seikosha: 1 patents #64 of 155Top 45%
SE Seiko Instruments & Electronics: 1 patents #72 of 164Top 45%
Overall (All Time): #2,357,940 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4447162 Watchcase Gen Mitamura, Takao Eguchi 1984-05-08
4362401 Watchcase Gen Mitamura, Takao Eguchi 1982-12-07