- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 27/20 - Optical systems or apparatus not provided for by any of the groups , for optical projection, e.g. combination of mirror and condenser and objective for imaging minute objects, e.g. light-pointer
Patent holdings for IPC class G02B 27/20
Total number of patents in this class: 164
10-year publication summary
|
18
|
19
|
12
|
28
|
36
|
10
|
15
|
11
|
8
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 131630 |
3 |
| Apple Inc. | 50209 |
3 |
| Sony Corporation | 32931 |
3 |
| Seiko Epson Corporation | 18724 |
3 |
| BAE Systems Information and Electronic Systems Integration Inc. | 1760 |
3 |
| Musco Corporation | 232 |
3 |
| caresyntax GmbH | 10 |
3 |
| Disney Enterprises, Inc. | 6012 |
2 |
| LG Electronics Inc. | 69257 |
2 |
| Texas Instruments Incorporated | 19376 |
2 |
| Koninklijke Philips Electronics N.V. | 13133 |
2 |
| Huawei Technologies Co., Ltd. | 100781 |
2 |
| Chois Technology Co., Ltd. | 5 |
2 |
| Coherent, Inc. | 337 |
2 |
| DONGWOO FINE-CHEM Co., Ltd. | 1163 |
2 |
| Fastree3d S.A. | 24 |
2 |
| FLIR Systems, Inc. | 291 |
2 |
| Genius Electronic Optical Co., Ltd. | 197 |
2 |
| Genius Electronic Optical (Xiamen) Co., Ltd. | 327 |
2 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
2 |
| Other owners | 117 |