- All sections
- H - Electricity
- H01T - Spark gapsovervoltage arresters using spark gapssparking plugscorona devicesgenerating 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: 1057
10-year publication summary
|
70
|
78
|
70
|
66
|
64
|
63
|
71
|
60
|
48
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sharp Kabushiki Kaisha | 18775 |
137 |
| Illinois Tool Works Inc. | 11454 |
56 |
| Applied Materials, Inc. | 18530 |
45 |
| Global Plasma Solutions, Inc. | 76 |
33 |
| NGK Insulators, Ltd. | 4941 |
23 |
| Sharp Corporation | 10312 |
22 |
| Murata Manufacturing Co., Ltd. | 24465 |
19 |
| LG Electronics Inc. | 72807 |
16 |
| Panasonic Intellectual Property Management Co., Ltd. | 31221 |
16 |
| Panasonic Corporation | 20136 |
15 |
| Shinko Electric Industries Co., Ltd. | 1208 |
14 |
| Lam Research Corporation | 5217 |
13 |
| Axon Enterprise, Inc. | 749 |
12 |
| Tokyo Electron Limited | 12645 |
11 |
| Plasma Air International, Inc. | 14 |
11 |
| SMC Corporation | 1361 |
11 |
| Daikin Industries, Ltd. | 9991 |
10 |
| Toto Ltd. | 1164 |
10 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42461 |
9 |
| Koganei Corporation | 217 |
9 |
| Other owners | 565 |