- 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: 2305
10-year publication summary
|
249
|
227
|
237
|
182
|
226
|
182
|
222
|
175
|
126
|
82
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 18968 |
412 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 43854 |
96 |
| JX Nippon Mining & Metals Corporation | 1483 |
82 |
| Tokyo Electron Limited | 12994 |
77 |
| Oerlikon Surface Solutions AG, Pfaffikon | 549 |
63 |
| Canon Anelva Corporation | 683 |
61 |
| Evatec AG | 151 |
41 |
| Dyson Technology Limited | 3696 |
36 |
| ULVAC, Inc. | 1379 |
35 |
| Samsung Display Co., Ltd. | 35468 |
28 |
| Beijing Naura Microelectronics Equipment Co., Ltd. | 608 |
26 |
| View Operating Corporation | 528 |
26 |
| PLANSEE SE | 232 |
24 |
| Honeywell International Inc. | 13552 |
23 |
| Intevac, Inc. | 134 |
19 |
| Mitsubishi Materials Corporation | 2470 |
19 |
| Soleras Advanced Coatings BVBA | 29 |
19 |
| Samsung Electronics Co., Ltd. | 147983 |
18 |
| Cardinal CG Company | 227 |
18 |
| TRUMPF Huettinger Sp. z o.o. | 35 |
18 |
| Other owners | 1164 |