Inventor · disambiguated record
Won S. Kwak
Also filed as: KWAK WON S · KWAK WON-SOOK
7 granted patents·1 pending application·825 citations·filing 1984–2006
90Inventor score
Top patents by PatentIndex Score
8 records- 0197US4931219APhotochromic compound and articles containing the samePPG INDUSTRIES INC·Filed 1989·Granted Jun 5, 1990·193 cites·24 claims
- 0297US4637698APhotochromic compound and articles containing the samePPG INDUSTRIES INC·Filed 1984·Granted Jan 20, 1987·265 cites·25 claims
- 0395US4816584APhotochromic spiro(indoline)benzoxazinesPPG INDUSTRIES INC·Filed 1987·Granted Mar 28, 1989·234 cites·17 claims
- 0494US4720547APhotochromic compound and articles containing the samePPG INDUSTRIES INC·Filed 1986·Granted Jan 19, 1988·39 cites·12 claims
- 0593US4785097AMethod for synthesizing spiro-oxazinesPPG INDUSTRIES INC·Filed 1986·Granted Nov 15, 1988·49 cites·20 claims
- 0688US4831142ASpiro indoline-pyranobenzoxazinonesPPG INDUSTRIES INC·Filed 1988·Granted May 16, 1989·29 cites·5 claims
- 0778US4909963APhotochromic articlePPG INDUSTRIES INC·Filed 1988·Granted Mar 20, 1990·16 cites·20 claims
- 0837US2007055726A1Method for processing instant message in wireless terminal and wireless terminal implementing the sameSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Won S. Kwak 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 →