- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 37/34 - Gas-filled discharge tubes operating with cathodic sputtering
Patent holdings for IPC class H01J 37/34
Total number of patents in this class: 2349
10-year publication summary
|
227
|
237
|
182
|
226
|
183
|
224
|
177
|
132
|
101
|
23
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 19802 |
422 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 46735 |
100 |
| JX Nippon Mining & Metals Corporation | 1471 |
82 |
| Tokyo Electron Limited | 13428 |
81 |
| Oerlikon Surface Solutions AG, Pfaffikon | 548 |
63 |
| Canon Anelva Corporation | 687 |
61 |
| Evatec AG | 155 |
42 |
| Dyson Technology Limited | 3833 |
36 |
| ULVAC, Inc. | 1371 |
36 |
| Samsung Display Co., Ltd. | 37396 |
29 |
| Beijing Naura Microelectronics Equipment Co., Ltd. | 665 |
27 |
| Honeywell International Inc. | 13578 |
26 |
| View Operating Corporation | 548 |
26 |
| PLANSEE SE | 230 |
24 |
| Intevac, Inc. | 132 |
19 |
| Mitsubishi Materials Corporation | 2467 |
19 |
| Soleras Advanced Coatings BVBA | 28 |
19 |
| TRUMPF Huettinger Sp. z o.o. | 38 |
19 |
| Samsung Electronics Co., Ltd. | 152016 |
18 |
| Advanced Energy Industries, Inc. | 504 |
17 |
| Other owners | 1183 |