TO

Tatsuya Okonogi

CL Copal Company Limited: 2 patents #26 of 139Top 20%
📍 Itabashi, JP: #77 of 173 inventorsTop 45%
Overall (All Time): #2,264,291 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5809676 Sign display apparatus Katsuyuki Sukumoda, Yukio Yoshikawa 1998-09-22
D388123 Light-emitting diode indicator Katsuyuki Sukumoda, Yukio Yoshikawa 1997-12-23