- 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: 698
10-year publication summary
|
50
|
61
|
64
|
65
|
94
|
99
|
73
|
63
|
59
|
39
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 4965 |
34 |
| Altria Client Services LLC | 2202 |
26 |
| Canon Inc. | 40015 |
25 |
| Kyocera Corporation | 13846 |
22 |
| LG Electronics Inc. | 73210 |
18 |
| Denso Corporation | 24334 |
16 |
| Fontem Ventures B.V. | 302 |
15 |
| Lintec Corporation | 1953 |
14 |
| Corning Incorporated | 10268 |
13 |
| Neturen Co., Ltd. | 198 |
10 |
| KT & G Corporation | 2650 |
9 |
| RAI Strategic Holdings, Inc. | 1157 |
9 |
| LG Innotek Co., Ltd. | 7659 |
8 |
| Shenzhen First Union Technology Co., Ltd. | 845 |
8 |
| MICO Ceramics Ltd. | 61 |
8 |
| Niterra Co., Ltd. | 1278 |
7 |
| NGK Spark Plug Co., Ltd. | 891 |
6 |
| Shenzhen Smoore Technology Limited | 1532 |
6 |
| Sumitomo Heavy Industries, Ltd. | 1929 |
6 |
| Nitto Denko Corporation | 8246 |
5 |
| Other owners | 433 |