- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 23/26 - Instruments for viewing the inside of hollow bodies, e.g. fibrescopes using light guides
Patent holdings for IPC class G02B 23/26
Total number of patents in this class: 1206
10-year publication summary
|
108
|
157
|
174
|
155
|
140
|
95
|
60
|
46
|
22
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Olympus Corporation | 13667 |
586 |
| Olympus Medical Systems Corp. | 1661 |
88 |
| FUJIFILM Corporation | 27102 |
66 |
| Hoya Corporation | 2822 |
50 |
| Sony Corporation | 32931 |
44 |
| Align Technology, Inc. | 1818 |
16 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
14 |
| The General Hospital Corporation | 4517 |
14 |
| Canon U.S.A., Inc. | 472 |
12 |
| Evident Corporation | 1072 |
11 |
| Fujikura Ltd. | 2777 |
10 |
| Sony Olympus Medical Solutions Inc. | 347 |
10 |
| Olympus Winter & Ibe GmbH | 620 |
9 |
| Sony Group Corporation | 10730 |
8 |
| Mauna Kea Technologies | 54 |
7 |
| Tamron Co., Ltd. | 202 |
7 |
| Intuitive Surgical Operations, Inc. | 3616 |
6 |
| Namiki Seimitsu Houseki Kabushiki Kaisha | 171 |
6 |
| The Regents of the University of Colorado, a body corporate | 2430 |
5 |
| Siemens AG | 24990 |
4 |
| Other owners | 233 |