Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JH

Jun'ichi Hirota — 1 Patent

Hitachi: 1 patents #17,777 of 28,497Top 65%
Hirosaki, JP: #28 of 49 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Jun'ichi Hirota has been granted 1 US patent while listed as an inventor at Hitachi. All of these patents were granted in 2014. Jun'ichi Hirota ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Jun'ichi Hirota in Hirosaki, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8859883 Electric power generation method using solar cells and photovoltaic power generation system Yasuhiro Shinkai, Makio Uchida, Ayako Kumasaka 2014-10-14