Patent holdings for IPC class G02B 21/34

Total number of patents in this class: 962

10-year publication summary

64
75
107
100
81
110
95
75
69
25
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Carl Zeiss Microscopy GmbH
1152
39
Leica Microsystems CMS GmbH
1034
38
Ventana Medical Systems, Inc.
973
38
Leica Biosystems Imaging, Inc.
235
24
Sony Corporation
32511
15
F. Hoffmann-La Roche AG
7964
11
FUJIFILM Corporation
27184
11
Hamamatsu Photonics K.K.
4199
11
RareCyte, Inc.
154
11
Sakura Finetek Japan Co., Ltd.
85
11
Alentic MicroScience Inc.
78
10
Huron Technologies International Inc.
67
10
SamanTree Medical SA
27
10
Koninklijke Philips N.V.
23154
9
Essenlix Corporation, DBA Essenlix Corporation
269
9
La Trobe University
65
9
Evident Corporation
1053
9
EUROIMMUN Medizinische Labordiagnostika AG
215
8
Riken
1677
8
Sakura Seiki Co., Ltd.
71
8
Other owners 663