- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 5/13 - Reflex reflectors including curved refracting surface plural curved refracting elements forming part of a unitary body
Patent holdings for IPC class G02B 5/13
Total number of patents in this class: 42
10-year publication summary
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6
|
7
|
4
|
5
|
4
|
6
|
3
|
4
|
2
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 6837 |
6 |
| Tundra Composites, LLC | 78 |
4 |
| 3m Innovative Properties Company | 18406 |
3 |
| Apple Inc. | 50209 |
2 |
| California Institute of Technology | 3884 |
2 |
| Boe Technology Group Co., Ltd. | 35384 |
2 |
| StonCor Group, Inc. | 80 |
2 |
| Canon Inc. | 36841 |
1 |
| Hewlett-Packard Development Company, L.P. | 28538 |
1 |
| Seiko Epson Corporation | 18724 |
1 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
1 |
| Microsoft Technology Licensing, LLC | 51439 |
1 |
| The Trustees of Columbia University in the City of New York | 3440 |
1 |
| Cooper Technologies Company | 664 |
1 |
| Japan Display Inc. | 6202 |
1 |
| The Aerospace Corporation | 439 |
1 |
| Asukanet Company, Ltd. | 68 |
1 |
| Hayashi Telempu Corporation | 82 |
1 |
| Nippon Carbide Industries Co., Inc. | 105 |
1 |
| The Penn State Research Foundation | 1423 |
1 |
| Other owners | 8 |