Assignee
SEKI MASAKI
JP·5 granted patents·5 citations·filing 1988–2011
Top patents by PatentIndex Score
5 records- 0157US8240580B2Ballast retaining structure, bedded trackSEKI MASAKI·Filed 2008·Granted Aug 14, 2012·2 cites·12 claims
- 0256US8418932B2Wheel guard apparatusSEKI MASAKI·Filed 2008·Granted Apr 16, 2013·1 cites·6 claims
- 0349US8302877B2Wheel guard deviceSEKI MASAKI·Filed 2011·Granted Nov 6, 2012·0 cites·1 claims
- 0448US8485452B2Guard rail apparatus for guiding derailed wheelsSEKI MASAKI·Filed 2011·Granted Jul 16, 2013·0 cites·4 claims
- 0529US4942350AMethod of creating NC data for groovingSEKI MASAKI·Filed 1988·Granted Jul 17, 1990·2 cites·5 claims
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