- 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: 344
10-year publication summary
|
32
|
28
|
18
|
17
|
27
|
13
|
15
|
17
|
11
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gigaphoton Inc. | 1282 |
53 |
| ASML Netherlands B.V. | 7649 |
34 |
| Coherent, Inc. | 302 |
30 |
| TRUMPF Lasersystems for Semiconductor Manufacturing GmbH | 94 |
24 |
| Alltec angewandte Laserlicht Technologie GmbH | 98 |
15 |
| FANUC Corporation | 6954 |
14 |
| Mitsubishi Electric Corporation | 47302 |
12 |
| TRUMPF Laser- und Systemtechnik GmbH | 532 |
11 |
| Convergent Dental, Inc. | 83 |
10 |
| Rofin-Sinar Laser GmbH | 24 |
9 |
| Cymer, LLC | 401 |
8 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 46507 |
7 |
| Samsung Electronics Co., Ltd. | 151017 |
5 |
| Hon Hai Precision Industry Co., Ltd. | 4007 |
5 |
| Tsinghua University | 6062 |
5 |
| Kern Technologies, LLC. | 13 |
4 |
| Chengdu Weeson Tech Co., Ltd. | 6 |
4 |
| TRUMPF LaserSystems for Semiconductor Manufacturing SE | 32 |
4 |
| Centre National de La Recherche Scientifique | 10801 |
3 |
| Corning Incorporated | 10374 |
3 |
| Other owners | 84 |