Inventor · disambiguated record
Jack P. Chang
Also filed as: CHANG JACK · CHANG JACK P
3 granted patents·44 citations·filing 1979–2020
66Inventor score
Top patents by PatentIndex Score
3 records- 0188US4253392AHollow fuser roll with variable taperIBM·Filed 1979·Granted Mar 3, 1981·38 cites·3 claims
- 0249US12195258B2Tamper-evident pouch closureOBRIST CLOSURES SWITZERLAND·Filed 2020·Granted Jan 14, 2025·0 cites·15 claims
- 0342US4429987AEarly fuser roll closure with reduced forceIBM·Filed 1982·Granted Feb 7, 1984·6 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when Jack P. Chang 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 →