SM

Shinichi Masunaga

KS Kabushiki Kaisha Hattori Seiko: 2 patents #4 of 22Top 20%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
Overall (All Time): #1,653,066 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5279457 Exterior watch box 1994-01-18
D343357 Watch box 1994-01-18
D343119 Watch box 1994-01-11