Assignee
SIGMA KOKI CO LTD
JP·3 granted patents·1 pending application·15 citations·filing 1995–2012
Top patents by PatentIndex Score
4 records- 0151US7891877B2Circular arc slide apparatusSIGMA KOKI CO LTD·Filed 2008·Granted Feb 22, 2011·3 cites·12 claims
- 0233US5728990AMethod and apparatus for electric discharge machining steel-ball guide grooves in linear-motion stageSIGMA KOKI CO LTD·Filed 1996·Granted Mar 17, 1998·4 cites·5 claims
- 0331US5517363ATriple engagement optical element holderSIGMA KOKI CO LTD·Filed 1995·Granted May 14, 1996·8 cites·3 claims
- 0425US2013201572A1Optical element holderSIGMA KOKI CO LTD·Filed 2012·Application pending·0 cites
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →