SK

Seiji Kajiyama

SC Sanyo Electric Co.: 1 patents #202 of 705Top 30%
📍 Ibigawa, JP: #5 of 8 inventorsTop 65%
Overall (2002): #120,480 of 266,432Top 50%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6438097 Optical recording disc capable of preventing illegal copy Youichi Tsuchiya, Kenji Torazawa, Kouichi Tada 2002-08-20