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USPTO Patent Rankings Data through Sept 30, 2025
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Yasuhiro Kozasa — 3 Patents

APApi: 3 patents #15 of 76Top 20%
Overall (All Time): #1,576,504 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7553481 Underwater antifouling coating composition with excellent storage stability Yuji Koga 2009-06-30
6630079 Coated bis (2-pyridinethiol-1-oxide) copper salt Yoshifumi Shibuya, Toshio Morishita, Yasuhiro Hidaka, Hiroyuki Akashi 2003-10-07
6544440 Coated bis(2-pyridinethiol-1-oxide) copper salt Yoshifumi Shibuya, Toshio Morishita, Yasuhiro Hidaka, Hiroyuki Akashi 2003-04-08