Assignee
POLAR SAPPHIRE LTD
CA·3 granted patents·6 citations·filing 2013–2018
Top patents by PatentIndex Score
3 records- 0187US10081553B2Process for making high-purity aluminum oxidePOLAR SAPPHIRE LTD·Filed 2016·Granted Sep 25, 2018·3 cites·20 claims
- 0281US9751775B2Process for making high purity aluminum oxidePOLAR SAPPHIRE LTD·Filed 2013·Granted Sep 5, 2017·3 cites·21 claims
- 0367US10836645B2Process for making high-purity aluminum oxidePOLAR SAPPHIRE LTD·Filed 2018·Granted Nov 17, 2020·0 cites·20 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →