- 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: 342
10-year publication summary
|
47
|
41
|
41
|
34
|
29
|
17
|
12
|
22
|
10
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 18989 |
24 |
| Sony Corporation | 31541 |
11 |
| FUJIFILM Corporation | 28805 |
10 |
| Disney Enterprises, Inc. | 6051 |
8 |
| Ricoh Company, Ltd. | 13216 |
7 |
| Pioneer Corporation | 4628 |
6 |
| Arovia, Inc. | 13 |
6 |
| Coretronic Corporation | 1232 |
6 |
| e Ink Corporation | 1430 |
6 |
| Texas Instruments Incorporated | 19432 |
5 |
| Mitsubishi Electric Corporation | 44851 |
5 |
| Mirraviz, Inc. | 30 |
5 |
| Young Optics Inc. | 256 |
5 |
| FUJIFILM Business Innovation Corp. | 7426 |
5 |
| Samsung Electronics Co., Ltd. | 139001 |
4 |
| Matsushita Electric Industrial Co., Ltd. | 2826 |
4 |
| Hewlett-Packard Development Company, L.P. | 27461 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 29733 |
4 |
| Barco N.V. | 531 |
4 |
| Hyperstealth Biotechnology Corp. | 17 |
4 |
| Other owners | 209 |