Inventor · disambiguated record
Zheng Chang
Also filed as: CHANG ZHENG · CHANG ZHENG-DAO
3 granted patents·1 pending application·104 citations·filing 2000–2023
71Inventor score
Top patents by PatentIndex Score
4 records- 0182US6328593B1Set of fancy lamp bulb and socket adaptorFiled 2000·Granted Dec 11, 2001·76 cites·3 claims
- 0275USD459009SString lampFiled 2001·Granted Jun 18, 2002·28 cites·1 claims
- 0350US2024157216A1Volleyball passing training deviceUNIV SHANDONG SCIENCE & TECH·Filed 2023·Application pending·0 cites
- 0442US12194519B2Unequal-channel angular self-bending extrusion die and method for designing and manufacturing the same and extruding method thereofUNIV SHANDONG TECHNOLOGY·Filed 2020·Granted Jan 14, 2025·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →