Assignee
OTOS CO LTD
US·3 granted patents·162 citations·filing 1999–2000
Top patents by PatentIndex Score
3 records- 0175US6614409B1Glare shielding device of welding helmet and method of controlling the sameOTOS CO LTD·Filed 2000·Granted Sep 2, 2003·79 cites·7 claims
- 0273US6483090B1Glare protecting device and method of controlling thereofOTOS CO LTD·Filed 1999·Granted Nov 19, 2002·48 cites·8 claims
- 0366US6552316B1Glare protecting device utilizing both optical and non-optical detectors and method of controlling thereofOTOS CO LTD·Filed 1999·Granted Apr 22, 2003·35 cites·16 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →