Inventor · disambiguated record
Chung Yin Ronald Mak
Also filed as: MAK CHUNG YIN DONALD · MAK CHUNG YIN RONALD
5 granted patents·36 citations·filing 2000–2003
76Inventor score
Top patents by PatentIndex Score
5 records- 0170US6637481B2Apparatus for sharpening a writing instrumentFiled 2002·Granted Oct 28, 2003·17 cites·15 claims
- 0263US6397480B1Mechanism for sharpening a writing instrumentFiled 2000·Granted Jun 4, 2002·12 cites·6 claims
- 0341US6898856B2Letter openerFiled 2003·Granted May 31, 2005·6 cites·11 claims
- 0428USD457190SClip dispenserFiled 2000·Granted May 14, 2002·1 cites·1 claims
- 0526USD452531SClip dispenserFiled 2001·Granted Dec 25, 2001·0 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Chung Yin Ronald Mak 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 →