- 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 11/00 - Filters or other obturators specially adapted for photographic purposes
Patent holdings for IPC class G03B 11/00
Total number of patents in this class: 932
10-year publication summary
|
82
|
73
|
92
|
100
|
100
|
88
|
94
|
76
|
65
|
14
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
125 |
| Sony Corporation | 32931 |
69 |
| Canon Inc. | 36841 |
29 |
| LG Innotek Co., Ltd. | 6758 |
24 |
| Sony Group Corporation | 10730 |
21 |
| Panasonic Corporation | 20786 |
20 |
| Sony Semiconductor Solutions Corporation | 8770 |
20 |
| Samsung Electronics Co., Ltd. | 131630 |
15 |
| Olympus Corporation | 13667 |
14 |
| Agc, Inc. | 4029 |
14 |
| Apple Inc. | 50209 |
12 |
| Panavision International, L.P. | 186 |
12 |
| Canon Kabushiki Kaisha | 6884 |
12 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
11 |
| Canon Denshi Kabushiki Kaisha | 176 |
11 |
| Magna Electronics Inc. | 1276 |
11 |
| Nikon Corporation | 7162 |
9 |
| Asahi Glass Company, Limited | 2985 |
9 |
| Nidec Copal Corporation | 277 |
9 |
| JSR Corporation | 2476 |
8 |
| Other owners | 477 |