- 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: 455
10-year publication summary
|
34
|
43
|
28
|
18
|
39
|
15
|
19
|
28
|
42
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Innotek Co., Ltd. | 8122 |
35 |
| Olympus Corporation | 13034 |
30 |
| Nidec Copal Corporation | 269 |
24 |
| Samsung Electronics Co., Ltd. | 152716 |
23 |
| Seiko Precision Inc. | 107 |
22 |
| Sony Corporation | 30510 |
21 |
| FUJIFILM Corporation | 30155 |
20 |
| Canon Denshi Kabushiki Kaisha | 181 |
16 |
| Canon Inc. | 42051 |
14 |
| Apple Inc. | 57718 |
10 |
| Huawei Technologies Co., Ltd. | 119240 |
10 |
| Japan Display Inc. | 2898 |
8 |
| Kimoto Co., Ltd. | 159 |
8 |
| JVC Kenwood Corporation | 3100 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 33248 |
6 |
| Largan Precision Co., Ltd. | 1603 |
6 |
| Nikon Corporation | 7256 |
5 |
| Toppan Printing Co., Ltd. | 2107 |
5 |
| Panasonic Corporation | 19835 |
4 |
| Pentax Ricoh Imaging Company, Ltd. | 106 |
4 |
| Other owners | 177 |