- 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: 1014
10-year publication summary
110
|
94
|
100
|
92
|
108
|
84
|
56
|
41
|
31
|
25
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Dai Nippon Printing Co., Ltd. | 4071 |
64 |
Sony Corporation | 31107 |
38 |
Seiko Epson Corporation | 19316 |
18 |
Ricoh Company, Ltd. | 13198 |
18 |
Microsoft Technology Licensing, LLC | 53607 |
17 |
Digilens, Inc. | 215 |
17 |
Google LLC | 42004 |
14 |
Corning Incorporated | 10246 |
12 |
Funai Electric Co., Ltd. | 526 |
12 |
ASML Netherlands B.V. | 7355 |
12 |
Robert Bosch GmbH | 42614 |
11 |
IMAX Corporation | 258 |
11 |
Hisense Laser Display Co., Ltd. | 385 |
11 |
Olympus Corporation | 13187 |
10 |
JVC Kenwood Corporation | 3005 |
10 |
Hamamatsu Photonics K.K. | 4403 |
10 |
Coretronic Corporation | 1271 |
10 |
RealD Inc. | 259 |
10 |
Koninklijke Philips Electronics N.V. | 9805 |
9 |
Eastman Kodak Company | 2908 |
9 |
Other owners | 691 |