- 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 |