Assignee
ITOH OPTICAL IND
JP·5 granted patents·1 pending application·60 citations·filing 1991–2018
Top patents by PatentIndex Score
6 records- 0176US6773465B1Optical elementITOH OPTICAL IND·Filed 2000·Granted Aug 10, 2004·21 cites·21 claims
- 0273US5322888ACoating composition for optical plastic moldingsITOH OPTICAL IND·Filed 1992·Granted Jun 21, 1994·38 cites·5 claims
- 0353US11131868B2Method for corrective lens and corrective lensITOH OPTICAL IND·Filed 2016·Granted Sep 28, 2021·0 cites·8 claims
- 0451US2015024212A1Hard coating compositionITOH OPTICAL IND·Filed 2013·Application pending·0 cites
- 0547US10723915B2Hard coating compositionITOH OPTICAL IND·Filed 2018·Granted Jul 28, 2020·0 cites·10 claims
- 0620US5278268AOrganic glass for optical partsITOH OPTICAL IND·Filed 1991·Granted Jan 11, 1994·1 cites·2 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →