AK

Akira Kisaku

TC Toppan Printing Co.: 1 patents #691 of 1,467Top 50%
Overall (All Time): #3,905,039 of 4,157,543Top 95%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4933712 System for making covering masks for use in photoengraving Hiroyuki Chiba, Hiroyuki Komatsu, Kiyoshi Ootsuka 1990-06-12