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USPTO Patent Rankings Data through Dec 31, 2025
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Yasuo Hamatake — 5 Patents

OSOsg: 5 patents #14 of 119Top 15%
BTBtt: 1 patents #4 of 8Top 50%
Ebeye: #1,044 of 4,528 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Yasuo Hamatake has been granted 5 US patents while listed as an inventor at Osg. The first was granted in 2009 and the most recent in August 2014. Yasuo Hamatake ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Yasuo Hamatake in Ebeye, MH, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8807881 Throwaway rotary cutting tool Tasuku Itoh, Katsutoshi Watanabe 2014-08-19
8714885 Throwaway rotary cutting tool Tasuku Itoh, Katsutoshi Watanabe 2014-05-06
8257144 Neck portion grinding apparatus and grinding device employed in the neck portion grinding apparatus Wataru Aoki, Hirotsugu Takahama, Masakazu Nakamura, Jiro Osawa, Tamotsu Nagai 2012-09-04
7618219 Ball endmill Jiro Osawa, Wataru Aoki 2009-11-17 $2,498,000
7478977 Ball endmill Jiro Osawa, Wataru Aoki 2009-01-20 $1,648,000