YT

Yasuo Takekawa

KC Kanzaki Paper Manufacturing Co.: 1 patents #124 of 211Top 60%
Overall (All Time): #4,019,526 of 4,157,543Top 100%
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Patent #TitleCo-InventorsDate
4533930 Recording materials Shunshuke Shioi, Makoto Miyake 1985-08-06