- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 21/02 - Objectives
Patent holdings for IPC class G02B 21/02
Total number of patents in this class: 1087
10-year publication summary
|
107
|
131
|
117
|
112
|
130
|
90
|
90
|
61
|
55
|
39
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Evident Corporation | 1038 |
103 |
| Carl Zeiss Microscopy GmbH | 1223 |
88 |
| Nikon Corporation | 7297 |
79 |
| Leica Microsystems CMS GmbH | 1096 |
49 |
| Olympus Corporation | 13123 |
33 |
| Carl Zeiss Meditec AG | 1632 |
24 |
| Hamamatsu Photonics K.K. | 4462 |
19 |
| Navitar, Inc. | 74 |
18 |
| Inscopix, Inc. | 33 |
12 |
| Leica Instruments (Singapore) Pte. Ltd. | 232 |
12 |
| Samsung Electro-mechanics Co., Ltd. | 5668 |
11 |
| Leica Microsystems (Schweiz) AG | 101 |
11 |
| FUJIFILM Corporation | 29713 |
10 |
| Largan Precision Co., Ltd. | 1550 |
10 |
| Synaptive Medical Inc. | 600 |
10 |
| The Regents of the University of California | 20153 |
9 |
| KEYENCE Corporation | 455 |
9 |
| Leica Biosystems Imaging, Inc. | 263 |
8 |
| Mitutoyo Corporation | 1252 |
8 |
| Centre National de La Recherche Scientifique | 10595 |
7 |
| Other owners | 557 |