- 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: 1223
10-year publication summary
|
174
|
155
|
141
|
95
|
61
|
46
|
25
|
19
|
21
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Olympus Corporation | 12983 |
582 |
| Olympus Medical Systems Corp. | 1924 |
82 |
| FUJIFILM Corporation | 30327 |
67 |
| Hoya Corporation | 2734 |
50 |
| Sony Corporation | 30327 |
44 |
| Align Technology, Inc. | 2249 |
18 |
| The General Hospital Corporation | 4840 |
16 |
| Panasonic Intellectual Property Management Co., Ltd. | 33812 |
14 |
| Evident Corporation | 1050 |
13 |
| Canon U.S.A., Inc. | 541 |
11 |
| Sony Olympus Medical Solutions Inc. | 384 |
11 |
| Fujikura Ltd. | 3036 |
10 |
| Sony Group Corporation | 15313 |
10 |
| Olympus Winter & Ibe GmbH | 711 |
9 |
| Tamron Co., Ltd. | 223 |
7 |
| Intuitive Surgical Operations, Inc. | 4340 |
6 |
| Namiki Seimitsu Houseki Kabushiki Kaisha | 136 |
6 |
| Stryker Corporation | 5284 |
5 |
| Mauna Kea Technologies | 48 |
5 |
| The Regents of the University of Colorado, a body corporate | 2784 |
5 |
| Other owners | 252 |