- 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: 1073
10-year publication summary
|
109
|
132
|
118
|
113
|
131
|
90
|
91
|
62
|
54
|
31
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Evident Corporation | 1025 |
103 |
| Carl Zeiss Microscopy GmbH | 1203 |
88 |
| Nikon Corporation | 7163 |
78 |
| Leica Microsystems CMS GmbH | 1090 |
49 |
| Olympus Corporation | 13182 |
33 |
| Carl Zeiss Meditec AG | 1610 |
25 |
| Hamamatsu Photonics K.K. | 4417 |
19 |
| Navitar, Inc. | 74 |
18 |
| Inscopix, Inc. | 33 |
12 |
| Leica Instruments (Singapore) Pte. Ltd. | 234 |
12 |
| Samsung Electro-mechanics Co., Ltd. | 5614 |
11 |
| Leica Microsystems (Schweiz) AG | 102 |
11 |
| FUJIFILM Corporation | 29367 |
10 |
| Largan Precision Co., Ltd. | 1537 |
10 |
| Synaptive Medical Inc. | 593 |
10 |
| The Regents of the University of California | 19918 |
9 |
| KEYENCE Corporation | 438 |
9 |
| Leica Biosystems Imaging, Inc. | 256 |
8 |
| Mitutoyo Corporation | 1249 |
8 |
| Centre National de La Recherche Scientifique | 10418 |
6 |
| Other owners | 544 |