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Toshihisa Yamakawa

Dai Nippon Printing Co.: 2 patents #25 of 212Top 15%
Overall (2021): #103,154 of 548,734Top 20%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11164058 Information recording object Yuko Aoyama, Jun Sato 2021-11-02
11102372 Information recording body, medium and printed product Yuko Aoyama, Jun Sato 2021-08-24