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USPTO Patent Rankings Data through Dec 31, 2025
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Jun Shitaka — 2 Patents

YKYkk: 2 patents #317 of 845Top 40%
Toyama, JP: #787 of 1,699 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Jun Shitaka has been granted 2 US patents while listed as an inventor at Ykk. The first was granted in 2024 and the most recent in June 2025. Jun Shitaka ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Jun Shitaka in Toyama, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D1080456 Chain for slide fastener Kohei Kawarada, Hisatomo Sugita 2025-06-24
12171310 Slide fastener Takayuki Inukai, Kentaro Mori 2024-12-24

Frequent Collaborators

Kohei Kawarada1 shared
Hisatomo Sugita1 shared
Kentaro Mori1 shared
Takayuki Inukai1 shared

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