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Yuji Oku — 3 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Yamaha Motor: 1 patents #1,283 of 2,310Top 60%
Iwata, JP: #314 of 782 inventorsTop 45%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Yuji Oku has been granted 3 US patents while listed as an inventor at Unknown. The first was granted in 1980 and the most recent in July 2024. Yuji Oku ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Yuji Oku in Iwata, JP.

Patents per Year

Patents granted per year, 1980 to 2024Bar chart with a peak of 1 patents in 1980.peak 11980: 1 patents19802021: 1 patents20212024: 1 patents2024

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12041982 Protective clothing for exercise Katsushige Yokoyama 2024-07-23
10939710 Protective clothing for exercise Katsushige Yokoyama 2021-03-09
4202297 Two-stroke engine having variable exhaust port timing Yasuharu Tsuyama 1980-05-13

Frequent Collaborators

Katsushige Yokoyama2 shared
Yasuharu Tsuyama1 shared

Nearby-Ranked Inventors

Daniel Silion3
Hangfeng Li3
Mark Vander Wal3
Chad M. Goltzman3
Sathish Kumar Thanganathan3
Debbie Maloyd3
Ethan Alexander Garrett3
Paul Sabatka3
Sergii Bomko3