- 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 9/02 - Diaphragms
Patent holdings for IPC class G03B 9/02
Total number of patents in this class: 439
10-year publication summary
|
23
|
34
|
43
|
28
|
18
|
39
|
15
|
19
|
27
|
32
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Innotek Co., Ltd. | 7667 |
32 |
| Olympus Corporation | 13174 |
30 |
| Nidec Copal Corporation | 271 |
24 |
| Seiko Precision Inc. | 112 |
22 |
| Sony Corporation | 31025 |
21 |
| Samsung Electronics Co., Ltd. | 146811 |
20 |
| FUJIFILM Corporation | 29437 |
18 |
| Canon Denshi Kabushiki Kaisha | 182 |
16 |
| Canon Inc. | 40095 |
15 |
| Apple Inc. | 55174 |
10 |
| Huawei Technologies Co., Ltd. | 113064 |
9 |
| Japan Display Inc. | 6971 |
9 |
| Kimoto Co., Ltd. | 169 |
8 |
| JVC Kenwood Corporation | 3008 |
7 |
| Largan Precision Co., Ltd. | 1541 |
6 |
| Nikon Corporation | 7177 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 31562 |
5 |
| Toppan Printing Co., Ltd. | 2133 |
5 |
| Panasonic Corporation | 20088 |
4 |
| Pentax Ricoh Imaging Company, Ltd. | 114 |
4 |
| Other owners | 169 |