ST

Shigekazu Takahashi

RC Ricoh Watch Co.: 1 patents #1 of 7Top 15%
Overall (1982): #30,986 of 81,411Top 40%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4321699 Wrist watch with alarm Nobuo Toyama 1982-03-23