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USPTO Patent Rankings Data through Dec 31, 2025
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Hiroaki Sakakura — 5 Patents

ALAlpha: 5 patents #21 of 110Top 20%
Yokohama, JP: #16,650 of 49,234 inventorsTop 35%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Hiroaki Sakakura has been granted 5 US patents while listed as an inventor at Alpha. The first was granted in 2006 and the most recent in September 2025. Hiroaki Sakakura ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Hiroaki Sakakura in Yokohama, JP.

Patents per Year

Patents granted per year, 2006 to 2025Bar chart with a peak of 2 patents in 2021.peak 22006: 1 patents20062012: 1 patents20122021: 2 patents20212025: 1 patents2025

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12404705 Vehicle door control device and vehicle door handle device Shun Ishii 2025-09-02
11198392 Vehicle monitoring device Kazuhiko Kaniwa, Soh Saito, Teruhisa KATO 2021-12-14
11008783 Vehicle periphery monitoring apparatus Kazuhiko Kaniwa, Soh Saito, Teruhisa KATO 2021-05-18
8229628 Electric steering lock device Kazuhisa Yabumoto, Kazuo Tsukada 2012-07-24
7065439 Vehicle door locking and unlocking system — 2006-06-20

Frequent Collaborators

Teruhisa KATO2 shared
Kazuhiko Kaniwa2 shared
Soh Saito2 shared
Kazuhisa Yabumoto1 shared
Kazuo Tsukada1 shared
Shun Ishii1 shared

Nearby-Ranked Inventors

Joseph L. Mann5
Terry Richard Linn5
Ikuo DEGUCHI5
Swapnil Kumar5
Zachary W. Gyugyi5
Xiaoxue CHEN5
Mohankumar Krishnan VALIYAMBATH5
Baoquan Tan5
Jack Long5