- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 3/03 - Electrodes
Patent holdings for IPC class H05B 3/03
Total number of patents in this class: 696
10-year publication summary
|
50
|
61
|
64
|
65
|
94
|
99
|
73
|
63
|
59
|
37
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 4964 |
34 |
| Altria Client Services LLC | 2200 |
26 |
| Canon Inc. | 39960 |
25 |
| Kyocera Corporation | 13831 |
22 |
| LG Electronics Inc. | 73111 |
18 |
| Denso Corporation | 24316 |
16 |
| Fontem Ventures B.V. | 302 |
15 |
| Lintec Corporation | 1958 |
14 |
| Corning Incorporated | 10263 |
13 |
| Neturen Co., Ltd. | 198 |
10 |
| KT & G Corporation | 2647 |
9 |
| RAI Strategic Holdings, Inc. | 1160 |
9 |
| LG Innotek Co., Ltd. | 7653 |
8 |
| Shenzhen First Union Technology Co., Ltd. | 844 |
8 |
| MICO Ceramics Ltd. | 61 |
8 |
| Niterra Co., Ltd. | 1276 |
7 |
| NGK Spark Plug Co., Ltd. | 891 |
6 |
| Shenzhen Smoore Technology Limited | 1532 |
6 |
| Sumitomo Heavy Industries, Ltd. | 1929 |
6 |
| Nitto Denko Corporation | 8241 |
5 |
| Other owners | 431 |