SH

Shinjiro Hattori

SI Seiko Instruments: 1 patents #836 of 1,437Top 60%
SE Seiko Instruments & Electronics: 1 patents #72 of 164Top 45%
Overall (All Time): #2,307,426 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D324183 Wristwatch Sanae Ohashi 1992-02-25
D278037 Pocket watch 1985-03-19