- 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: 643
10-year publication summary
|
59
|
52
|
44
|
37
|
69
|
36
|
35
|
20
|
44
|
26
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Corporation | 13800 |
40 |
| NGK Insulators, Ltd. | 4949 |
19 |
| Watlow Electric Manufacturing Company | 581 |
16 |
| Applied Materials, Inc. | 18589 |
11 |
| Altria Client Services LLC | 2194 |
10 |
| Eberspacher catem GmbH & Co. KG | 96 |
10 |
| RAI Strategic Holdings, Inc. | 1155 |
10 |
| Neturen Co., Ltd. | 198 |
9 |
| Haier US Appliance Solutions, Inc. | 3602 |
8 |
| Philip Morris Products S.A. | 7634 |
7 |
| Panasonic Corporation | 20124 |
7 |
| Lam Research Corporation | 5225 |
7 |
| NGK Spark Plug Co., Ltd. | 893 |
7 |
| LG Electronics Inc. | 72962 |
6 |
| Toyoda Gosei Co., Ltd. | 1776 |
6 |
| Shenzhen Smoore Technology Limited | 1526 |
6 |
| Hewlett-Packard Development Company, L.P. | 25881 |
5 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42636 |
5 |
| Backer EHP Inc. | 26 |
5 |
| Hon Hai Precision Industry Co., Ltd. | 4037 |
4 |
| Other owners | 445 |