KD

Kokichi Homma, deceased

TC Toppan Printing Co.: 1 patents #691 of 1,467Top 50%
Overall (All Time): #4,105,716 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4187107 Making gravure plate with tint screen Yoshio Kameyama 1980-02-05