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Yukio Yoshikawa

CL Copal Company Limited: 1 patents #1 of 11Top 10%
📍 Tsukuba, JP: #69 of 238 inventorsTop 30%
Overall (1997): #53,545 of 185,788Top 30%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D388123 Light-emitting diode indicator Katsuyuki Sukumoda, Tatsuya Okonogi 1997-12-23