- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 3/02 - Ohmic-resistance heating Details
Patent holdings for IPC class H05B 3/02
Total number of patents in this class: 676
10-year publication summary
|
50
|
43
|
35
|
61
|
32
|
35
|
17
|
43
|
52
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Corporation | 14242 |
42 |
| NGK Insulators, Ltd. | 5199 |
21 |
| Watlow Electric Manufacturing Company | 577 |
17 |
| Applied Materials, Inc. | 20036 |
12 |
| Altria Client Services LLC | 2357 |
11 |
| Eberspacher catem GmbH & Co. KG | 99 |
10 |
| RAI Strategic Holdings, Inc. | 1196 |
10 |
| Neturen Co., Ltd. | 198 |
9 |
| Haier US Appliance Solutions, Inc. | 3972 |
8 |
| LG Electronics Inc. | 74968 |
7 |
| Philip Morris Products S.A. | 7994 |
7 |
| Panasonic Corporation | 19586 |
7 |
| Lam Research Corporation | 5528 |
7 |
| NGK Spark Plug Co., Ltd. | 880 |
7 |
| Shenzhen Smoore Technology Limited | 1677 |
7 |
| Toyoda Gosei Co., Ltd. | 1834 |
6 |
| Hewlett-Packard Development Company, L.P. | 25339 |
5 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 47319 |
5 |
| Backer EHP Inc. | 30 |
5 |
| Goodrich Corporation | 2175 |
5 |
| Other owners | 468 |