KK

Koichi Kawasumi

SO Sony: 1 patents #281 of 1,124Top 25%
Overall (1994): #103,327 of 165,921Top 65%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5374495 Developer for electrostatic electrophotography Masafumi Ata, Yuji Yakura, Haruo Watanabe 1994-12-20