YH

Yoji Hara

KO Konica: 1 patents #133 of 395Top 35%
Overall (1994): #48,975 of 165,921Top 30%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
H1281 High-contrast silver halide photographic material Kazuhiko Hirabayashi, Takeshi Sampei, Miho Sai 1994-01-04