- All sections
- G - Physics
- G03B - Apparatus or arrangements for taking photographs or for projecting or viewing them; apparatus or arrangements employing analogous techniques using waves other than optical waves; accessories therefor
- G03B 21/10 - Projectors with built-in or built-on screen
Patent holdings for IPC class G03B 21/10
Total number of patents in this class: 351
10-year publication summary
45
|
47
|
41
|
41
|
34
|
29
|
17
|
11
|
21
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Seiko Epson Corporation | 18724 |
24 |
Sony Corporation | 32931 |
12 |
FUJIFILM Corporation | 27102 |
9 |
Disney Enterprises, Inc. | 6012 |
8 |
Ricoh Company, Ltd. | 13266 |
7 |
Pioneer Corporation | 4843 |
6 |
Coretronic Corporation | 1165 |
6 |
e Ink Corporation | 1411 |
6 |
Matsushita Electric Industrial Co., Ltd. | 4724 |
5 |
Texas Instruments Incorporated | 19376 |
5 |
Mitsubishi Electric Corporation | 43934 |
5 |
Dai Nippon Printing Co., Ltd. | 3891 |
5 |
Arovia, Inc. | 13 |
5 |
Mirraviz, Inc. | 30 |
5 |
Young Optics Inc. | 247 |
5 |
FUJIFILM Business Innovation Corp. | 7395 |
5 |
Samsung Electronics Co., Ltd. | 131630 |
4 |
Hewlett-Packard Development Company, L.P. | 28538 |
4 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
4 |
Barco N.V. | 478 |
4 |
Other owners | 217 |