Inventor · disambiguated record
Dao-Pin Chang
Also filed as: CHANG DAO-PIN
3 granted patents·85 citations·filing 1987–1995
73Inventor score
Files withCHANG DAO PIN2
Top patents by PatentIndex Score
3 records- 0165US5545560AApparatus for composting and treating waste, particularly dungFiled 1995·Granted Aug 13, 1996·26 cites·18 claims
- 0253US4989592ADevice to aid sexual potencyCHANG DAO PIN·Filed 1989·Granted Feb 5, 1991·54 cites·7 claims
- 0325US4854303AHair circle for conjugal affectionCHANG DAO PIN·Filed 1987·Granted Aug 8, 1989·5 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →