- All sections
- H - Electricity
- H05K - Printed circuitscasings or constructional details of electric apparatusmanufacture of assemblages of electrical components
- H05K 3/28 - Applying non-metallic protective coatings
Patent holdings for IPC class H05K 3/28
Total number of patents in this class: 3811
10-year publication summary
|
295
|
386
|
367
|
337
|
303
|
250
|
233
|
226
|
187
|
88
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25588 |
240 |
| Taiyo Ink Mfg. Co., Ltd. | 203 |
117 |
| LG Innotek Co., Ltd. | 8232 |
109 |
| Taiyo Holdings Co., Ltd. | 312 |
82 |
| FUJIFILM Corporation | 30296 |
75 |
| Samsung Electronics Co., Ltd. | 154751 |
68 |
| Apple Inc. | 58208 |
55 |
| Tactotek Oy | 163 |
47 |
| Robert Bosch GmbH | 43700 |
45 |
| Kaneka Corporation | 4643 |
42 |
| Hitachi Chemical Company, Ltd. | 2263 |
39 |
| Sekisui Chemical Co., Ltd. | 3578 |
39 |
| Intel Corporation | 46718 |
33 |
| Avary Holding (Shenzhen) Co., Limited. | 325 |
33 |
| Samsung Electro-mechanics Co., Ltd. | 5899 |
30 |
| HZO, Inc. | 114 |
30 |
| Nitto Denko Corporation | 8470 |
26 |
| Resonac Corporation | 3256 |
26 |
| Sumitomo Electric Industries, Ltd. | 16145 |
25 |
| NingBo Sunny Opotech Co.,Ltd. | 659 |
24 |
| Other owners | 2626 |