Inventor · disambiguated record
Cho-Kai Hu
Also filed as: HU CHO-KAI
8 granted patents·2 pending applications·96 citations·filing 1998–2006
87Inventor score
Top patents by PatentIndex Score
10 records- 0177USD465805STouch-sensitive screen stylusPRO ETON CORP·Filed 2002·Granted Nov 19, 2002·24 cites·1 claims
- 0273USD465806STouch-sensitive screen stylusPRO ETON CORP·Filed 2002·Granted Nov 19, 2002·20 cites·1 claims
- 0365USD471588SPenPRO ETON CORP·Filed 2002·Granted Mar 11, 2003·14 cites·1 claims
- 0456US6102601AInk chamber pressure enhancing controlPRO ETON CORP·Filed 1999·Granted Aug 15, 2000·14 cites·9 claims
- 0551US6575650B1Pressure sensed ink-filled penPRO ETON CORP·Filed 2002·Granted Jun 10, 2003·4 cites·10 claims
- 0649US5975783APen cap with pressure relief meansPRO ETON CORP·Filed 1998·Granted Nov 2, 1999·10 cites·4 claims
- 0748US2007134047A1Sealing device for writing tipHU CHO-KAI·Filed 2006·Application pending·0 cites
- 0845USD455176SCorrecting fluid dispenserPRO ETON CORP·Filed 2001·Granted Apr 2, 2002·6 cites·1 claims
- 0940USD455175SHighlighterPRO ETON CORP·Filed 2001·Granted Apr 2, 2002·4 cites·1 claims
- 1040US2003132923A1Combination touch-sensitive screen stylusPRO ETON CORP·Filed 2002·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Cho-Kai Hu 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 →