- 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 9/02 - Diaphragms
Patent holdings for IPC class G03B 9/02
Total number of patents in this class: 386
10-year publication summary
|
35
|
23
|
34
|
43
|
28
|
18
|
39
|
14
|
19
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Olympus Corporation | 13667 |
30 |
| Nidec Copal Corporation | 277 |
25 |
| Sony Corporation | 32931 |
23 |
| Seiko Precision Inc. | 124 |
22 |
| FUJIFILM Corporation | 27102 |
18 |
| Canon Denshi Kabushiki Kaisha | 176 |
16 |
| Canon Inc. | 36841 |
14 |
| Samsung Electronics Co., Ltd. | 131630 |
11 |
| Apple Inc. | 50209 |
9 |
| Huawei Technologies Co., Ltd. | 100781 |
9 |
| Japan Display Inc. | 6202 |
9 |
| Kimoto Co., Ltd. | 176 |
8 |
| LG Innotek Co., Ltd. | 6758 |
7 |
| JVC Kenwood Corporation | 2774 |
7 |
| Largan Precision Co., Ltd. | 1411 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
5 |
| Toppan Printing Co., Ltd. | 2212 |
5 |
| Panasonic Corporation | 20786 |
4 |
| Pentax Ricoh Imaging Company, Ltd. | 132 |
4 |
| Nikon Corporation | 7162 |
4 |
| Other owners | 150 |