Assignee
OPTNICS PREC CO LTD
US·5 granted patents·2 pending applications·24 citations·filing 1997–2018
Top patents by PatentIndex Score
7 records- 0191US9397325B2Safety vent and electrochemical deviceOPTNICS PREC CO LTD·Filed 2013·Granted Jul 19, 2016·11 cites·8 claims
- 0273US7771788B2Spherical ultrafine particles and process for producing the sameOPTNICS PREC CO LTD·Filed 2005·Granted Aug 10, 2010·4 cites·15 claims
- 0349US10814353B2SieveOPTNICS PREC CO LTD·Filed 2018·Granted Oct 27, 2020·0 cites·4 claims
- 0444US2017198248A1Cell separation filter and cell culture vesselOPTNICS PREC CO LTD·Filed 2016·Application pending·0 cites
- 0540US10641689B2Method of preparing glass slide specimen of cellsOPTNICS PREC CO LTD·Filed 2017·Granted May 5, 2020·0 cites·4 claims
- 0637US2019381522A1Film forming method and film forming deviceOPTNICS PREC CO LTD·Filed 2018·Application pending·0 cites
- 0723US6180279B1Method of manufacturing battery explosion prevention safety deviceOPTNICS PREC CO LTD·Filed 1997·Granted Jan 30, 2001·9 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when OPTNICS PREC CO LTD files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →