- 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: 710
10-year publication summary
|
56
|
50
|
46
|
37
|
72
|
78
|
66
|
45
|
45
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 16587 |
124 |
| Sumitomo Osaka Cement Co., Ltd. | 783 |
62 |
| Tokyo Electron Limited | 11599 |
35 |
| Lam Research Corporation | 4775 |
31 |
| Kyocera Corporation | 12735 |
29 |
| Toto Ltd. | 1096 |
29 |
| Creative Technology Corporation | 82 |
24 |
| NGK Insulators, Ltd. | 4589 |
19 |
| Entegris, Inc. | 1736 |
16 |
| SRI International | 974 |
14 |
| ASML Netherlands B.V. | 6816 |
13 |
| ULVAC, Inc. | 1448 |
13 |
| Varian Semiconductor Equipment Associates, Inc. | 1282 |
12 |
| Apple Inc. | 50209 |
10 |
| Shinko Electric Industries Co., Ltd. | 1186 |
10 |
| Samsung Display Co., Ltd. | 30585 |
8 |
| Nike, Inc. | 13075 |
8 |
| Samsung Electronics Co., Ltd. | 131630 |
7 |
| Audio Pixels Ltd. | 49 |
7 |
| Grabit, Inc. | 16 |
7 |
| Other owners | 232 |