Assignee
SOCIAL WELFARE FOUNDATION HOKK
JP·7 granted patents·76 citations·filing 1991–1997
Top patents by PatentIndex Score
7 records- 0163US5438029AActivated carbon and production thereofSOCIAL WELFARE FOUNDATION HOKK·Filed 1994·Granted Aug 1, 1995·14 cites·2 claims
- 0259US5494500AActivated carbon, production thereof and adsorption using activated carbonSOCIAL WELFARE FOUNDATION HOKK·Filed 1994·Granted Feb 27, 1996·14 cites·5 claims
- 0349US5186914AProcess for removing NOx and SO2 utilizing activated carbonSOCIAL WELFARE FOUNDATION HOKK·Filed 1991·Granted Feb 16, 1993·20 cites·2 claims
- 0447US5630367AActivated carbon and production thereofSOCIAL WELFARE FOUNDATION HOKK·Filed 1995·Granted May 20, 1997·12 cites·1 claims
- 0534US5620506AActivated carbon, production thereof and adsorption using activated carbonSOCIAL WELFARE FOUNDATION HOKK·Filed 1995·Granted Apr 15, 1997·6 cites·7 claims
- 0633US5679316AActivated carbon, production thereof and adsorption using activated carbonSOCIAL WELFARE FOUNDATION HOKK·Filed 1995·Granted Oct 21, 1997·5 cites·7 claims
- 0732US5730073AWaste flon disposal methodSOCIAL WELFARE FOUNDATION HOKK·Filed 1997·Granted Mar 24, 1998·5 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when SOCIAL WELFARE FOUNDATION HOKK files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →