YK

Yukihisa Kakizawa

SE Seiko Epson: 2 patents #4,555 of 7,774Top 60%
Overall (All Time): #2,010,322 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9389590 Timepiece 2016-07-12
5177712 Calendar display device for a timepiece 1993-01-05