- 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: 43
10-year publication summary
|
7
|
4
|
5
|
4
|
6
|
3
|
4
|
2
|
1
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 7535 |
6 |
| Tundra Composites, LLC | 72 |
4 |
| 3m Innovative Properties Company | 17849 |
3 |
| Apple Inc. | 54773 |
2 |
| California Institute of Technology | 3974 |
2 |
| Boe Technology Group Co., Ltd. | 41047 |
2 |
| StonCor Group, Inc. | 74 |
2 |
| Canon Inc. | 39818 |
1 |
| Seiko Epson Corporation | 19327 |
1 |
| Bayerische Motoren Werke Aktiengesellschaft | 14350 |
1 |
| Microsoft Technology Licensing, LLC | 53693 |
1 |
| The Trustees of Columbia University in the City of New York | 3566 |
1 |
| Cooper Technologies Company | 634 |
1 |
| Japan Display Inc. | 6667 |
1 |
| The Aerospace Corporation | 424 |
1 |
| Asukanet Company, Ltd. | 72 |
1 |
| Hayashi Telempu Corporation | 88 |
1 |
| Hexagon Technology Center GmbH | 610 |
1 |
| Nippon Carbide Industries Co., Inc. | 111 |
1 |
| Northern Digital Inc. | 128 |
1 |
| Other owners | 9 |