Inventor · disambiguated record
Toshio Kutsuna
Also filed as: KUTSUNA TOSHIO
3 granted patents·1 pending application·1 citations·filing 2014–2022
50Inventor score
Files withMAEKAWA SEISAKUSHO KK4
Top patents by PatentIndex Score
4 records- 0161US9746221B2Defrost system for refrigeration apparatus, and cooling unitMAEKAWA SEISAKUSHO KK·Filed 2014·Granted Aug 29, 2017·1 cites·15 claims
- 0260US12292226B2Defrost system which utilizes electric heater for thermosiphonMAEKAWA SEISAKUSHO KK·Filed 2022·Granted May 6, 2025·0 cites·18 claims
- 0348US2021262721A1Defrost systemMAEKAWA SEISAKUSHO KK·Filed 2019·Application pending·0 cites
- 0437US12038216B2Ice making machineMAEKAWA SEISAKUSHO KK·Filed 2020·Granted Jul 16, 2024·0 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Toshio Kutsuna 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 →