Inventor · disambiguated record
Zhao H. Chang
Also filed as: CHANG ZHAO H
2 granted patents·632 citations·filing 1993–1995
74Inventor score
Files withCRYOMEDICAL SCIENCES INC2
Top patents by PatentIndex Score
2 records- 0196US5573532ACryogenic surgical instrument and method of manufacturing the sameCRYOMEDICAL SCIENCES INC·Filed 1995·Granted Nov 12, 1996·309 cites·26 claims
- 0283US5437673AClosed circulation tissue warming apparatus and method of using the same in prostate surgeryCRYOMEDICAL SCIENCES INC·Filed 1993·Granted Aug 1, 1995·323 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →