YY

Yasushi Yoshiyama

Ricoh Company: 1 patents #176 of 604Top 30%
📍 Ikeda, JP: #12 of 50 inventorsTop 25%
Overall (1994): #44,966 of 165,921Top 30%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5335215 Semiconductor integrated circuit for signal processing of optical disk of write-once type and semiconductor device — 1994-08-02