Inventor · disambiguated record

Ryuhei Tsukahara

Also filed as: TSUKAHARA Ryuhei

2 granted patents·1 citations·filing 2017–2017

30Inventor score

Technology areasF04D

Files withHITACHI LTD2

Top patents by PatentIndex Score

2 records

0163US11280223B2Bolt fastening structure and turbo-machine using sameHITACHI LTD·Filed 2017·Granted Mar 22, 2022·1 cites·14 claims
0252US10989220B2Casing and turbo machineHITACHI LTD·Filed 2017·Granted Apr 27, 2021·0 cites·6 claims

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →

Ryuhei Tsukahara — Patent Inventor | PatentIndex