Inventor · disambiguated record
Kar Chi Yiu
Also filed as: YIU KAR CHI
3 granted patents·1 citations·filing 2016–2018
48Inventor score
Technology areasC07C
Top patents by PatentIndex Score
3 records- 0172US11261086B2Process for producing methanol and ammoniaJOHNSON MATTHEY DAVY TECHNOLOGIES LTD·Filed 2018·Granted Mar 1, 2022·1 cites·15 claims
- 0233US10640440B2Methanol processJOHNSON MATTHEY DAVY TECHNOLOGIES LTD·Filed 2016·Granted May 5, 2020·0 cites·23 claims
- 0326US10308575B2Methanol processJOHNSON MATTHEY DAVY TECHHNOLOGIES LTD·Filed 2016·Granted Jun 4, 2019·0 cites·16 claims
Join the waitlist — get patent alerts
Get an alert when Kar Chi Yiu 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 →