Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RK

Ryo KUWANA

Hitachi: 1 patents #303 of 1,215Top 25%
Overall (2018): #253,890 of 503,207Top 55%
1 Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9939339 Pressure transmitter device Daisuke Shinma, Atsushi Fushimi, Hideki Hanami, Isao Hara 2018-04-10