TO

Tutomu Ojima

CC Citizen Watch Co.: 1 patents #668 of 1,225Top 55%
📍 Oshu, JP: #35 of 53 inventorsTop 70%
Overall (All Time): #3,912,975 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4962485 Noncontacting IC card supplied with power from an outside source Yoshiaki Kato, Harumi Yuyama, Hiromi Ishikawa 1990-10-09