- All sections
- H - Electricity
- H01S - Devices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate lightdevices using stimulated emission of electromagnetic radiation in wave ranges other than optical
- H01S 3/223 - Gases the active gas being polyatomic, i.e. containing two or more atoms
Patent holdings for IPC class H01S 3/223
Total number of patents in this class: 347
10-year publication summary
|
33
|
28
|
19
|
17
|
27
|
13
|
17
|
17
|
11
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gigaphoton Inc. | 1326 |
54 |
| ASML Netherlands B.V. | 7925 |
35 |
| Coherent, Inc. | 294 |
30 |
| TRUMPF Lasersystems for Semiconductor Manufacturing GmbH | 94 |
24 |
| Alltec angewandte Laserlicht Technologie GmbH | 103 |
15 |
| FANUC Corporation | 7217 |
14 |
| Mitsubishi Electric Corporation | 48018 |
12 |
| Convergent Dental, Inc. | 82 |
10 |
| TRUMPF Laser- und Systemtechnik GmbH | 524 |
10 |
| Rofin-Sinar Laser GmbH | 26 |
9 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48302 |
8 |
| Cymer, LLC | 414 |
7 |
| TRUMPF LaserSystems for Semiconductor Manufacturing SE | 52 |
6 |
| Samsung Electronics Co., Ltd. | 157719 |
5 |
| Hon Hai Precision Industry Co., Ltd. | 4022 |
5 |
| Tsinghua University | 6211 |
5 |
| Kern Technologies, LLC. | 13 |
4 |
| Chengdu Weeson Tech Co., Ltd. | 6 |
4 |
| Centre National de La Recherche Scientifique | 11023 |
3 |
| Corning Incorporated | 10504 |
3 |
| Other owners | 84 |