Patent holdings for IPC class G09B 23/22

Total number of patents in this class: 44

10-year publication summary

2
2
2
5
3
5
7
3
6
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Transitions Optical Limited
155
4
Johnson & Johnson Vision Care, Inc.
1224
2
Centre National de La Recherche Scientifique
10174
2
Bioniko Consulting LLC
9
2
Carl Zeiss Vision International GmbH
612
2
Essilor International (compagnie Generale D'optique)
2974
2
Institut National de Recherche en Informatique et en Automatique
93
2
Institut Polytechnique de Bordeaux
376
2
Universite de Bordeaux
832
2
Carl Zeiss AG
873
1
Ansys, Inc.
392
1
Beckman Coulter, Inc.
1233
1
Brien Holden Vision Institute
68
1
BT Inc.
6
1
EDX Education Co., Ltd.
17
1
Lattice Energy Technology Corporation
2
1
National Central University
227
1
National University Corporation Chiba University
487
1
Perfect IP, LLC
23
1
Philipps-universitat Marburg
106
1
Other owners 13