Patent holdings for IPC class G09B 23/22

Total number of patents in this class: 44

10-year publication summary

2
2
2
5
2
4
7
3
6
2
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Transitions Optical Limited
165
4
Centre National de La Recherche Scientifique
10693
2
Bioniko Consulting LLC
10
2
Carl Zeiss Vision International GmbH
644
2
Institut National de Recherche en Informatique et en Automatique
114
2
Institut Polytechnique de Bordeaux
408
2
Shamir Optical Industry Ltd.
185
2
Universite de Bordeaux
886
2
Johnson & Johnson Vision Care, Inc.
1180
1
Carl Zeiss AG
913
1
Ansys, Inc.
411
1
Beckman Coulter, Inc.
1295
1
Brien Holden Vision Institute
67
1
BT Inc.
6
1
EDX Education Co., Ltd.
17
1
Essilor International (compagnie Generale D'optique)
2988
1
Lattice Energy Technology Corporation
2
1
National Central University
249
1
National University Corporation Chiba University
505
1
Perfect IP, LLC
22
1
Other owners 14