Patent holdings for IPC class G09B 23/22

Total number of patents in this class: 46

10-year publication summary

2
2
5
3
5
7
4
7
3
3
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Transitions Optical Limited
174
4
Centre National de La Recherche Scientifique
11042
2
Bioniko Consulting LLC
10
2
Carl Zeiss Vision International GmbH
693
2
Institut National de Recherche en Informatique et en Automatique
124
2
Institut Polytechnique de Bordeaux
438
2
Shamir Optical Industry Ltd.
189
2
Universite de Bordeaux
939
2
Ocudoc, Inc.
8
2
Light Trace Photonics Ltd
4
2
Johnson & Johnson Vision Care, Inc.
1159
1
Carl Zeiss AG
916
1
Ansys, Inc.
423
1
Beckman Coulter, Inc.
1334
1
Brien Holden Vision Institute
66
1
BT Inc.
6
1
EDX Education Co., Ltd.
17
1
Essilor International (compagnie Generale D'optique)
2997
1
Lattice Energy Technology Corporation
2
1
National Central University
256
1
Other owners 14