YK

Yasuhiro Kohsaka

Canon: 2 patents #12,681 of 19,416Top 70%
Overall (All Time): #2,027,908 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9018339 Diol, and polycarbonate resin or polyester resin Katsumoto Hosokawa, Takahiro Kojima, Toshikazu Takata, Kazuko Nakazono, Yasuhito Koyama +2 more 2015-04-28
8735531 Diol, and polycarbonate resin or polyester resin Katsumoto Hosokawa, Takahiro Kojima, Toshikazu Takata, Kazuko Nakazono, Yasuhito Koyama +2 more 2014-05-27