Inventor
SAKATA DAVID
US12 patents
⚠️ This page may combine multiple inventors who share the name “SAKATA DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FREUDENBERG NOK GP
7 patentsUS6428013B1Aug 6, 2002
Reverse seal
FREUDENBERG NOK GP80 citations94
US6994354B2Feb 7, 2006
Vibrationally decoupling gasket
FREUDENBERG NOK GP32 citations92
US5584271ADec 17, 1996
Valve stem seal
FREUDENBERG NOK GP48 citations92
US5558056ASep 24, 1996
Two-piece valve stem seal
FREUDENBERG NOK GP49 citations92
US7004477B2Feb 28, 2006
Reduced load gasket
FREUDENBERG NOK GP22 citations91
US8011669B2Sep 6, 2011
Valve stem seal with gas relief features
FREUDENBERG NOK GP6 citations59
US8893681B2Nov 25, 2014
Pressure support for engine valve stem seals
FREUDENBERG NOK GP1 citations51