- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 5/74 - Projection arrangements for image reproduction, e.g. using eidophor
Patent holdings for IPC class H04N 5/74
Total number of patents in this class: 2743
10-year publication summary
|
307
|
277
|
250
|
285
|
268
|
201
|
142
|
96
|
74
|
33
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 32931 |
306 |
| FUJIFILM Corporation | 27102 |
145 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
143 |
| Seiko Epson Corporation | 18724 |
118 |
| Hewlett-Packard Development Company, L.P. | 28538 |
63 |
| NEC Corporation | 32703 |
61 |
| JVC Kenwood Corporation | 2774 |
61 |
| Maxell, Ltd. | 2533 |
57 |
| Sony Group Corporation | 10730 |
56 |
| Ricoh Company, Ltd. | 13266 |
46 |
| NEC Display Solutions, Ltd. | 822 |
46 |
| Thomson Licensing | 4027 |
42 |
| ZTE Corporation | 39218 |
36 |
| Sharp Kabushiki Kaisha | 18957 |
33 |
| Konica Minolta, Inc. | 8349 |
29 |
| Texas Instruments Incorporated | 19376 |
28 |
| LG Electronics Inc. | 69257 |
27 |
| Dai Nippon Printing Co., Ltd. | 3891 |
27 |
| Nippon Seiki Co., Ltd. | 933 |
27 |
| Dolby Laboratories Licensing Corporation | 3883 |
26 |
| Other owners | 1366 |