- 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: 1035
10-year publication summary
|
65
|
109
|
132
|
118
|
113
|
131
|
88
|
90
|
58
|
14
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Evident Corporation | 1072 |
107 |
| Carl Zeiss Microscopy GmbH | 1146 |
88 |
| Nikon Corporation | 7162 |
72 |
| Leica Microsystems CMS GmbH | 1034 |
48 |
| Olympus Corporation | 13667 |
37 |
| Carl Zeiss Meditec AG | 1541 |
25 |
| Hamamatsu Photonics K.K. | 4161 |
20 |
| Navitar, Inc. | 73 |
16 |
| FUJIFILM Corporation | 27102 |
11 |
| Leica Microsystems (Schweiz) AG | 106 |
11 |
| Leica Instruments (Singapore) Pte. Ltd. | 185 |
10 |
| Synaptive Medical Inc. | 619 |
10 |
| Inscopix, Inc. | 29 |
9 |
| Largan Precision Co., Ltd. | 1411 |
9 |
| The Regents of the University of California | 18943 |
8 |
| Samsung Electro-mechanics Co., Ltd. | 4798 |
8 |
| Carl Zeiss MicroImaging GmbH | 153 |
8 |
| KEYENCE Corporation | 372 |
8 |
| Leica Biosystems Imaging, Inc. | 237 |
8 |
| Sony Corporation | 32931 |
6 |
| Other owners | 516 |