- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 27/48 - Laser speckle optics
Patent holdings for IPC class G02B 27/48
Total number of patents in this class: 1040
10-year publication summary
|
94
|
100
|
92
|
108
|
84
|
56
|
42
|
31
|
42
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dai Nippon Printing Co., Ltd. | 4224 |
64 |
| Sony Corporation | 30263 |
38 |
| Seiko Epson Corporation | 20203 |
19 |
| Ricoh Company, Ltd. | 13343 |
18 |
| Microsoft Technology Licensing, LLC | 54399 |
17 |
| Digilens, Inc. | 234 |
17 |
| Google LLC | 44361 |
14 |
| Funai Electric Co., Ltd. | 503 |
13 |
| Hisense Laser Display Co., Ltd. | 451 |
13 |
| Corning Incorporated | 10488 |
12 |
| ASML Netherlands B.V. | 7864 |
12 |
| IMAX Corporation | 267 |
12 |
| META Platforms Technologies, LLC | 6421 |
11 |
| Robert Bosch GmbH | 44045 |
10 |
| Olympus Corporation | 12960 |
10 |
| JVC Kenwood Corporation | 3125 |
10 |
| Hamamatsu Photonics K.K. | 4644 |
10 |
| Coretronic Corporation | 1362 |
10 |
| Dolby Laboratories Licensing Corporation | 4312 |
10 |
| RealD Inc. | 252 |
10 |
| Other owners | 710 |