- 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: 768
10-year publication summary
|
61
|
64
|
65
|
94
|
99
|
75
|
64
|
61
|
63
|
57
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 5200 |
37 |
| Altria Client Services LLC | 2446 |
30 |
| Canon Inc. | 44051 |
27 |
| Kyocera Corporation | 14423 |
23 |
| LG Electronics Inc. | 75855 |
18 |
| Denso Corporation | 25645 |
18 |
| Lintec Corporation | 2024 |
15 |
| Corning Incorporated | 10504 |
14 |
| RAI Strategic Holdings, Inc. | 1223 |
11 |
| MICO Ceramics Ltd. | 71 |
11 |
| Samsung Electronics Co., Ltd. | 158442 |
10 |
| LG Innotek Co., Ltd. | 8517 |
10 |
| KT & G Corporation | 3152 |
10 |
| Neturen Co., Ltd. | 198 |
10 |
| Shenzhen First Union Technology Co., Ltd. | 1006 |
10 |
| Fontem Ventures B.V. | 304 |
8 |
| Hanon Systems | 2125 |
8 |
| Shenzhen Smoore Technology Limited | 1787 |
7 |
| Niterra Co., Ltd. | 1415 |
7 |
| DONGWOO FINE-CHEM Co., Ltd. | 1438 |
6 |
| Other owners | 478 |