- 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: 2154
10-year publication summary
258
|
249
|
229
|
239
|
185
|
229
|
180
|
209
|
160
|
36
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Applied Materials, Inc. | 16587 |
392 |
JX Nippon Mining & Metals Corporation | 1576 |
90 |
Oerlikon Surface Solutions AG, Pfaffikon | 556 |
70 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
68 |
Tokyo Electron Limited | 11599 |
65 |
Canon Anelva Corporation | 676 |
61 |
Evatec AG | 152 |
38 |
ULVAC, Inc. | 1448 |
35 |
Dyson Technology Limited | 3124 |
34 |
View, Inc. | 792 |
27 |
Beijing Naura Microelectronics Equipment Co., Ltd. | 430 |
25 |
Samsung Display Co., Ltd. | 30585 |
23 |
PLANSEE SE | 233 |
23 |
Honeywell International Inc. | 13799 |
21 |
Cardinal CG Company | 226 |
21 |
Soleras Advanced Coatings BVBA | 33 |
21 |
Mitsubishi Materials Corporation | 2378 |
19 |
Tanaka Kikinzoku Kogyo K.K. | 589 |
15 |
TRUMPF Huettinger Sp. z o.o. | 26 |
15 |
IonQuest Corp., FORMERLY IonQuest LLC | 16 |
15 |
Other owners | 1076 |