SM

Saburo Manaka

SI Seiko Instruments: 1 patents #87 of 247Top 40%
Overall (2003): #124,582 of 273,478Top 50%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6554468 Mechanical timepiece with timed annular balance rotating angle control mechanism Koichiro Jujo, Takeshi Tokoro 2003-04-29