- All sections
- H - Electricity
- H02N - Electric machines not otherwise provided for
- H02N 13/00 - Clutches or holding devices using electrostatic attraction, e.g. using Johnson-Rahbek effect
Patent holdings for IPC class H02N 13/00
Total number of patents in this class: 820
10-year publication summary
|
50
|
46
|
37
|
72
|
78
|
66
|
50
|
45
|
53
|
78
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 19087 |
146 |
| Sumitomo Osaka Cement Co., Ltd. | 866 |
72 |
| Tokyo Electron Limited | 13043 |
48 |
| Toto Ltd. | 1217 |
42 |
| Lam Research Corporation | 5340 |
33 |
| Kyocera Corporation | 14013 |
28 |
| Creative Technology Corporation | 96 |
25 |
| NGK Insulators, Ltd. | 5129 |
23 |
| Entegris, Inc. | 1910 |
18 |
| Nike, Inc. | 14395 |
17 |
| ASML Netherlands B.V. | 7529 |
14 |
| SRI International | 998 |
14 |
| ULVAC, Inc. | 1377 |
13 |
| Samsung Display Co., Ltd. | 35702 |
12 |
| Varian Semiconductor Equipment Associates, Inc. | 1229 |
11 |
| Shinko Electric Industries Co., Ltd. | 1216 |
11 |
| Apple Inc. | 55916 |
10 |
| Estat Actuation, Inc. | 13 |
10 |
| Niterra Co., Ltd. | 1321 |
8 |
| Samsung Electronics Co., Ltd. | 148584 |
7 |
| Other owners | 258 |