Assignee
KOYO ENGINEERING CO LTD
JP·4 granted patents·1 pending application·96 citations·filing 1992–2014
Top patents by PatentIndex Score
5 records- 0180US6580541B1System and method for transmitting information for amphibious traveling vehicle and system for controlling operation of the vehicleKOYO ENGINEERING CO LTD·Filed 1997·Granted Jun 17, 2003·28 cites·10 claims
- 0265US6471857B1Filter apparatus with sand filter bedKOYO ENGINEERING CO LTD·Filed 2000·Granted Oct 29, 2002·26 cites·9 claims
- 0354US5215016ARail type underwater travel vehicleKOYO ENGINEERING CO LTD·Filed 1992·Granted Jun 1, 1993·26 cites·6 claims
- 0453US2014199539A1Composite plated film and laminated filmKOYO ENGINEERING CO LTD·Filed 2014·Application pending·0 cites
- 0545US6058848AUnderwater and land travel systemKOYO ENGINEERING CO LTD·Filed 1998·Granted May 9, 2000·16 cites·2 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →