- All sections
- G - Physics
- G03B - Apparatus or arrangements for taking photographs or for projecting or viewing themapparatus or arrangements employing analogous techniques using waves other than optical wavesaccessories therefor
- G03B 21/54 - Accessories
Patent holdings for IPC class G03B 21/54
Total number of patents in this class: 130
10-year publication summary
|
9
|
14
|
11
|
22
|
16
|
13
|
11
|
9
|
8
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Appotronics Corporation Limited | 1131 |
10 |
| Hisense Laser Display Co., Ltd. | 447 |
9 |
| Seiko Epson Corporation | 20081 |
6 |
| Lightspeed Design, Inc. | 10 |
6 |
| Mimono LLC | 13 |
6 |
| Samsung Electronics Co., Ltd. | 155224 |
5 |
| Coretronic Corporation | 1349 |
5 |
| Canon Inc. | 42633 |
4 |
| LG Electronics Inc. | 75274 |
3 |
| Iview Displays (Shenzhen) Company Ltd. | 186 |
3 |
| Artome Oy | 10 |
3 |
| Delta Electronics, Inc. | 2804 |
2 |
| Ergotron, Inc. | 311 |
2 |
| Hand held Products, Inc. | 1285 |
2 |
| RedwoodVentures, LTD | 26 |
2 |
| Universal City Studios LLC | 2817 |
2 |
| Wang, Jiansheng, Dr. | 2 |
2 |
| Xyzed | 10 |
2 |
| Legrand AV Inc. | 356 |
2 |
| Applied Physics, Inc. | 26 |
2 |
| Other owners | 52 |