Inventor · disambiguated record
Ryutaro Koiwai
Also filed as: KOIWAI Ryutaro
2 granted patents·2 pending applications·0 citations·filing 2021–2022
22Inventor score
Technology areasF02D
Files withHITACHI ASTEMO LTD4
Top patents by PatentIndex Score
4 records- 0150US12454924B2Control device for internal combustion engine and control method for internal combustion engineHITACHI ASTEMO LTD·Filed 2022·Granted Oct 28, 2025·0 cites·15 claims
- 0237US12372041B2Control device for internal combustion engineHITACHI ASTEMO LTD·Filed 2021·Granted Jul 29, 2025·0 cites·7 claims
- 0334US2023193845A1Internal Combustion Engine Control DeviceHITACHI ASTEMO LTD·Filed 2021·Application pending·0 cites
- 0432US2023079934A1Control Device for Internal Combustion EngineHITACHI ASTEMO LTD·Filed 2021·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Ryutaro Koiwai 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 →