- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 7/20 - Light-tight connections for movable optical elements
Patent holdings for IPC class G02B 7/20
Total number of patents in this class: 36
10-year publication summary
|
4
|
5
|
0
|
4
|
3
|
7
|
7
|
2
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TDK Taiwan Corp. | 803 |
5 |
| Largan Precision Co., Ltd. | 1532 |
3 |
| LG Innotek Co., Ltd. | 7590 |
2 |
| NingBo Sunny Opotech Co.,Ltd. | 620 |
2 |
| Pixart Imaging Inc. | 1659 |
2 |
| Canon Inc. | 39660 |
1 |
| Samsung SDI Co., Ltd. | 8140 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 31201 |
1 |
| Corning Incorporated | 10246 |
1 |
| Agilent Technologies, Inc. | 2634 |
1 |
| Carl Zeiss SMT GmbH | 2964 |
1 |
| Ability Enterprise Co., Ltd. | 88 |
1 |
| BAE Systems Information and Electronic Systems Integration Inc. | 1818 |
1 |
| KLA-Tencor Corporation | 2545 |
1 |
| Newmax Technology Co., Ltd. | 107 |
1 |
| OmniVision Optoelectronics Technologies (Shanghai) Co., Ltd. | 3 |
1 |
| Oridion Medical 1987 Ltd. | 173 |
1 |
| Oz Optics Ltd. | 34 |
1 |
| Karl STORZ SE & Co. KG | 1645 |
1 |
| Corning Research & Development Corporation | 1166 |
1 |
| Other owners | 7 |