- 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: 1065
10-year publication summary
|
78
|
70
|
66
|
64
|
63
|
72
|
65
|
59
|
35
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sharp Kabushiki Kaisha | 18530 |
135 |
| Illinois Tool Works Inc. | 11858 |
59 |
| Applied Materials, Inc. | 20363 |
50 |
| Global Plasma Solutions, Inc. | 75 |
33 |
| NGK Insulators, Ltd. | 5232 |
26 |
| Sharp Corporation | 10533 |
22 |
| Shinko Electric Industries Co., Ltd. | 1230 |
17 |
| LG Electronics Inc. | 75654 |
16 |
| Panasonic Intellectual Property Management Co., Ltd. | 33911 |
16 |
| Panasonic Corporation | 19060 |
15 |
| Murata Manufacturing Co., Ltd. | 25722 |
15 |
| Lam Research Corporation | 5621 |
13 |
| Tokyo Electron Limited | 13796 |
12 |
| SMC Corporation | 1385 |
12 |
| Plasma Air International, Inc. | 14 |
11 |
| Shine Technologies, LLC | 165 |
11 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48248 |
10 |
| Daikin Industries, Ltd. | 10478 |
10 |
| Axon Enterprise, Inc. | 832 |
10 |
| Sumitomo Osaka Cement Co., Ltd. | 894 |
9 |
| Other owners | 563 |