- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 3/10 - Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
Patent holdings for IPC class H05B 3/10
Total number of patents in this class: 648
10-year publication summary
|
30
|
42
|
48
|
47
|
60
|
61
|
41
|
36
|
42
|
24
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 5144 |
38 |
| Kyocera Corporation | 14083 |
32 |
| Altria Client Services LLC | 2279 |
27 |
| Kurabe Industrial Co., Ltd. | 57 |
17 |
| Lintec Corporation | 1993 |
17 |
| KT & G Corporation | 2740 |
16 |
| Denso Corporation | 24783 |
14 |
| NGK Spark Plug Co., Ltd. | 888 |
12 |
| Canon Inc. | 41108 |
11 |
| LG Electronics Inc. | 73772 |
9 |
| FUJIFILM Corporation | 29817 |
9 |
| Dai Nippon Printing Co., Ltd. | 4146 |
8 |
| NHK Spring Co., Ltd. | 1910 |
8 |
| Misuzu Industry Co., Ltd. | 13 |
8 |
| Lexmark International, Inc. | 1646 |
7 |
| Toto Ltd. | 1217 |
7 |
| Agc, Inc. | 5018 |
6 |
| Nicoventures Trading Limited | 4269 |
6 |
| Pnu Eco-energy Co., Ltd. | 11 |
5 |
| Applied Materials, Inc. | 19248 |
4 |
| Other owners | 387 |