Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Hitachi Astemo › Ryu KAI
RK

Ryu KAI — 1 Patent

HAHitachi Astemo: 1 patents #649 of 1,276Top 55%
Tokyo, JP: #57,845 of 90,295 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Ryu KAI has been granted 1 US patent while listed as an inventor at Hitachi Astemo. All of these patents were granted in 2025. Ryu KAI ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Ryu KAI in Tokyo, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12319251 Electric parking brake device and electric parking brake control method Shinji Seto, Shunsuke Aritomi, Kimio Nishino, Daisuke Kojima 2025-06-03

Frequent Collaborators

Kimio Nishino1 shared
Shinji Seto1 shared
Daisuke Kojima1 shared
Shunsuke Aritomi1 shared

Nearby-Ranked Inventors

Andrew Whitesides Lloyd1
Xianwu Meng1
Phillip COLETTI1
Yuchen Mao1
Sheng'an ZHANG1
Hayeong Nam1
Pedro Fernando Gomez Fernandez1
Kira Astakhova1
Amir EISEN1