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USPTO Patent Rankings Data through Dec 31, 2025
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Naoki Marui — 4 Patents in 2021

NTNtn: 4 patents #9 of 127Top 8%
Iwata, JP: #4 of 84 inventorsTop 5%
Overall (2021): #43,233 of 548,734Top 8%
4 Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11154983 Link actuation device manipulating device and link actuation system Hiroshi Isobe, Seigo Sakata 2021-10-26
11154994 Work device and dual-arm work device Hiroshi Isobe, Kenzou Nose, Hiroyuki Yamada 2021-10-26
11130225 Working device and double-arm type working device Hiroshi Isobe, Kenzou Nose, Hiroyuki Yamada 2021-09-28
11130229 Link operating device control device and control method Seigo Sakata, Yuuki Shimura, Hiroshi Isobe 2021-09-28