Inventor · disambiguated record
Charlie Tu
Also filed as: TU CHARLIE · TU CHARLIE T
12 granted patents·271 citations·filing 1989–2002
92Inventor score
Technology areasB43M
Top patents by PatentIndex Score
12 records- 0193USD470529SFluorescent penFiled 2002·Granted Feb 18, 2003·60 cites·1 claims
- 0293USD340947SMarking instrumentC & T PRODUCTS CORP·Filed 1992·Granted Nov 2, 1993·54 cites·1 claims
- 0390USD330911SWriting instrumentCHUANG TAO CORP·Filed 1991·Granted Nov 10, 1992·39 cites·1 claims
- 0490USD329873SMarking instrumentCHUANG TAO CORP·Filed 1990·Granted Sep 29, 1992·39 cites·1 claims
- 0589USD323189SPen or similar articleCHUANG TAO CORP·Filed 1989·Granted Jan 14, 1992·30 cites·1 claims
- 0669USD328923SPaperweightCHUANG TAO CORP·Filed 1991·Granted Aug 25, 1992·14 cites·1 claims
- 0756USD329255SPaperweightCHUANG TAO CORP·Filed 1991·Granted Sep 8, 1992·8 cites·1 claims
- 0854USD325395SPaper clip container or similar articleCHUANG TAO CORP·Filed 1990·Granted Apr 14, 1992·8 cites·1 claims
- 0953USD321905STwin-nibbed writing instrumentTU CHARLIE·Filed 1989·Granted Nov 26, 1991·8 cites·1 claims
- 1037US5205407ACase for receiving paper clips, pins or the likeC & T PRODUCTS CORP·Filed 1992·Granted Apr 27, 1993·7 cites·5 claims
- 1137USD328309SPaper shredding machine or similar articleCHUANG TAO CORP·Filed 1990·Granted Jul 28, 1992·3 cites·1 claims
- 1232USD328922SPaperweightCHUANG TAO CORP·Filed 1991·Granted Aug 25, 1992·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →