Inventor · disambiguated record
Joo Wan Cha
Also filed as: CHA JOO WAN
6 granted patents·1 citations·filing 2020–2023
65Inventor score
Top patents by PatentIndex Score
6 records- 0178US12259521B2Method and system of analyzing ingredients of artificial rainfall for verification of cloud seeding effectNAT INSTITUTE OF METEOROLOGICAL SCIENCES·Filed 2022·Granted Mar 25, 2025·1 cites·6 claims
- 0256US12446497B2Wind blow type ground-based cloud seeding material generator for weather modificationNAT INSTITUTE OF METEOROLOGICAL SCIENCES·Filed 2023·Granted Oct 21, 2025·0 cites·8 claims
- 0351US11874428B2Method for deciding seeding effect area and non-seeding effect area in accordance with wind systemNAT INSTITUTE OF METEOROLOGICAL SCIENCES·Filed 2021·Granted Jan 16, 2024·0 cites·2 claims
- 0448US12094148B2Method for detecting fog particles and calculating fog characteristics based on camera imagesNAT INSTITUTE OF METEOROLOGICAL SCIENCES·Filed 2023·Granted Sep 17, 2024·0 cites·5 claims
- 0545US11782187B2Calculation method of total artificial precipitation in seeding area compared to non-seeding areaNAT INSTITUTE OF METEOROLOGICAL SCIENCES·Filed 2020·Granted Oct 10, 2023·0 cites·10 claims
- 0641US11570954B2Rocket for artificial rainfall using ejection hygroscopic flareNAT INSTITUTE OF METEOROLOGICAL SCIENCES·Filed 2020·Granted Feb 7, 2023·0 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Joo Wan Cha 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 →