Inventor · disambiguated record
Kouji Shiwaku
Also filed as: SHIWAKU Kouji
4 granted patents·0 citations·filing 2019–2021
51Inventor score
Files withHITACHI CONSTRUCTION MACH CO4
Top patents by PatentIndex Score
4 records- 0154US12385220B2Automated work systemHITACHI CONSTRUCTION MACH CO·Filed 2021·Granted Aug 12, 2025·0 cites·8 claims
- 0253US12371874B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2021·Granted Jul 29, 2025·0 cites·5 claims
- 0344US12012723B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2019·Granted Jun 18, 2024·0 cites·4 claims
- 0443US12054913B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted Aug 6, 2024·0 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Kouji Shiwaku files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →