- All sections
- H - Electricity
- H01T - Spark gaps; overvoltage arresters using spark gaps; sparking plugs; corona devices; generating ions to be introduced into non-enclosed gases
- H01T 23/00 - Apparatus for generating ions to be introduced into non-enclosed gases, e.g. into the atmosphere
Patent holdings for IPC class H01T 23/00
Total number of patents in this class: 1040
10-year publication summary
|
90
|
70
|
78
|
70
|
66
|
64
|
62
|
69
|
44
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sharp Kabushiki Kaisha | 18957 |
137 |
| Illinois Tool Works Inc. | 11152 |
56 |
| Applied Materials, Inc. | 16587 |
42 |
| Global Plasma Solutions, Inc. | 68 |
28 |
| Sharp Corporation | 10015 |
23 |
| NGK Insulators, Ltd. | 4589 |
19 |
| Murata Manufacturing Co., Ltd. | 22355 |
18 |
| LG Electronics Inc. | 69257 |
15 |
| Panasonic Corporation | 20786 |
15 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
15 |
| Axon Enterprise, Inc. | 670 |
14 |
| Lam Research Corporation | 4775 |
13 |
| Shinko Electric Industries Co., Ltd. | 1186 |
13 |
| Tokyo Electron Limited | 11599 |
12 |
| SMC Corporation | 1354 |
12 |
| Plasma Air International, Inc. | 14 |
11 |
| Daikin Industries, Ltd. | 9495 |
10 |
| Koganei Corporation | 209 |
10 |
| Toto Ltd. | 1096 |
10 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
9 |
| Other owners | 558 |