- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit 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: 615
10-year publication summary
|
75
|
59
|
52
|
44
|
37
|
69
|
34
|
32
|
18
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Corporation | 12735 |
40 |
| NGK Insulators, Ltd. | 4589 |
19 |
| Watlow Electric Manufacturing Company | 569 |
16 |
| Altria Client Services LLC | 1866 |
10 |
| Eberspacher catem GmbH & Co. KG | 92 |
10 |
| Applied Materials, Inc. | 16587 |
9 |
| Neturen Co., Ltd. | 193 |
9 |
| Panasonic Corporation | 20786 |
8 |
| RAI Strategic Holdings, Inc. | 1026 |
8 |
| Philip Morris Products S.A. | 6751 |
7 |
| NGK Spark Plug Co., Ltd. | 935 |
7 |
| LG Electronics Inc. | 69257 |
6 |
| Haier US Appliance Solutions, Inc. | 3178 |
6 |
| Hewlett-Packard Development Company, L.P. | 28538 |
5 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
5 |
| Lam Research Corporation | 4775 |
5 |
| Toyoda Gosei Co., Ltd. | 1746 |
5 |
| Backer EHP Inc. | 24 |
5 |
| Canon Inc. | 36841 |
4 |
| Hon Hai Precision Industry Co., Ltd. | 4157 |
4 |
| Other owners | 427 |