- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 3/18 - Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor the conductor being embedded in an insulating material
Patent holdings for IPC class H05B 3/18
Total number of patents in this class: 336
10-year publication summary
|
35
|
27
|
32
|
42
|
44
|
38
|
21
|
29
|
29
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Corporation | 14359 |
46 |
| Watlow Electric Manufacturing Company | 577 |
26 |
| NGK Insulators, Ltd. | 5236 |
14 |
| NHK Spring Co., Ltd. | 1983 |
10 |
| MICO Ceramics Ltd. | 71 |
8 |
| Eberspacher catem GmbH & Co. KG | 102 |
7 |
| Philip Morris USA Inc. | 654 |
6 |
| LG Innotek Co., Ltd. | 8466 |
6 |
| NGK Spark Plug Co., Ltd. | 875 |
6 |
| Goodrich Corporation | 2182 |
6 |
| Shenzhen Smoore Technology Limited | 1763 |
6 |
| Van Straten Enterprises, Inc. | 20 |
5 |
| Samsung Electronics Co., Ltd. | 157719 |
4 |
| Türk & Hillinger GmbH | 47 |
4 |
| Chongqing Le-mark Technology Co., Ltd. | 42 |
4 |
| Apple Inc. | 58742 |
3 |
| LG Electronics Inc. | 75694 |
3 |
| Philip Morris Products S.A. | 8181 |
3 |
| Toyoda Gosei Co., Ltd. | 1858 |
3 |
| ASM IP Holding B.V. | 2397 |
3 |
| Other owners | 163 |