Patent holdings for IPC class G02B 21/20

Total number of patents in this class: 78

10-year publication summary

7
7
16
4
7
7
0
7
4
4
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Camplex, Inc.
44
7
Alcon, Inc.
5861
6
Sony Corporation
30181
4
Global Surgical Corporation
8
4
Seiko Epson Corporation
20256
3
Evident Corporation
1027
3
Nikon Corporation
7228
2
Microsoft Technology Licensing, LLC
54466
2
Carl Zeiss Meditec AG
1683
2
Dispelix Oy
142
2
Mitaka Kohki Co., Ltd.
47
2
Zumax Medical Co., Ltd
33
2
JADENT GmbH
6
2
I-med Technology B.V.
3
2
Novartis AG
10262
1
Apple Inc.
58742
1
Robert Bosch GmbH
44160
1
Applied Materials Israel, Ltd.
676
1
Konica Minolta, Inc.
9119
1
OSRAM GmbH
2210
1
Other owners 29