Assignee
HOKUETSU PAPER MILLS
JP·4 granted patents·2 pending applications·62 citations·filing 1988–2005
Top patents by PatentIndex Score
6 records- 0173US6939386B2Filter medium for air filter and method for its productionHOKUETSU PAPER MILLS·Filed 2001·Granted Sep 6, 2005·31 cites·4 claims
- 0271US7520912B2Air purifying filter media and process for producing the sameHOKUETSU PAPER MILLS·Filed 2002·Granted Apr 21, 2009·4 cites·59 claims
- 0361US4902382AProcess for producing a neutral paperHOKUETSU PAPER MILLS·Filed 1988·Granted Feb 20, 1990·27 cites·2 claims
- 0447US2009236063A1Finely cut paper product for use in mixing with resin, ecologically sound resin composition comprising the same, and ecologically sound molded resin article using the compositionHOKUETSU PAPER MILLS·Filed 2005·Application pending·0 cites
- 0543US7547339B2Filter material take-up product for air filterHOKUETSU PAPER MILLS·Filed 2001·Granted Jun 16, 2009·0 cites·3 claims
- 0640US2006201644A1Ink jet printing paperHOKUETSU PAPER MILLS·Filed 2004·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when HOKUETSU PAPER MILLS 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 →