- 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: 38
10-year publication summary
|
5
|
0
|
4
|
3
|
7
|
7
|
2
|
3
|
1
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Actutek Corporation | 856 |
5 |
| Largan Precision Co., Ltd. | 1646 |
3 |
| LG Innotek Co., Ltd. | 8678 |
2 |
| NingBo Sunny Opotech Co.,Ltd. | 670 |
2 |
| Pixart Imaging Inc. | 1757 |
2 |
| Canon Inc. | 44686 |
1 |
| Samsung SDI Co., Ltd. | 11065 |
1 |
| Samsung Electro-mechanics Co., Ltd. | 6207 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 34724 |
1 |
| Corning Incorporated | 10572 |
1 |
| Agilent Technologies, Inc. | 2653 |
1 |
| Carl Zeiss SMT GmbH | 3386 |
1 |
| Ability Enterprise Co., Ltd. | 91 |
1 |
| BAE Systems Information and Electronic Systems Integration Inc. | 1938 |
1 |
| KLA-Tencor Corporation | 2514 |
1 |
| Newmax Technology Co., Ltd. | 120 |
1 |
| OmniVision Optoelectronics Technologies (Shanghai) Co., Ltd. | 3 |
1 |
| Oridion Medical 1987 Ltd. | 174 |
1 |
| Oz Optics Ltd. | 33 |
1 |
| Renishaw plc | 767 |
1 |
| Other owners | 9 |