Inventor · name-matched record
HSIEH HENRY L
2 granted patents·16 citations·filing 1991–1993
54Inventor score
Files withPHILLIPS PETROLEUM CO2
This identity is grouped by exact name match (no disambiguated inventor record was available for these filings) — it may combine same-named inventors.
Top patents by PatentIndex Score
2 records- 0173US5294691ACopolymers of amphytic ion pairs containing vinylic tertiary amine and process therewithPHILLIPS PETROLEUM CO·Filed 1993·Granted Mar 15, 1994·16 cites·24 claims
- 0231US5210361AAllyl alkali metal alkene addition processPHILLIPS PETROLEUM CO·Filed 1991·Granted May 11, 1993·0 cites·32 claims
Join the waitlist — get patent alerts
Get an alert when HSIEH HENRY L files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: exact name match across USPTO filings. How scoring works →