SH

Sigeru Hirayama

TC Toppan Printing Co.: 1 patents #691 of 1,467Top 50%
TC Toyo Ink Mfg. Co.: 1 patents #227 of 499Top 50%
Overall (All Time): #3,996,682 of 4,157,543Top 100%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4592977 Lithographic printing plate Tsutomu Naganuma, Hiroji Kumagai, Manabu Sawada, Tsuneo Tanaka, Isao Kumano 1986-06-03