- 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: 3883
10-year publication summary
|
295
|
386
|
368
|
337
|
303
|
250
|
235
|
228
|
187
|
162
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25917 |
244 |
| LG Innotek Co., Ltd. | 8566 |
117 |
| Taiyo Ink Mfg. Co., Ltd. | 200 |
117 |
| Taiyo Holdings Co., Ltd. | 329 |
87 |
| FUJIFILM Corporation | 30689 |
75 |
| Samsung Electronics Co., Ltd. | 159029 |
70 |
| Apple Inc. | 59241 |
55 |
| Robert Bosch GmbH | 44327 |
47 |
| Tactotek Oy | 163 |
47 |
| Kaneka Corporation | 4775 |
42 |
| Hitachi Chemical Company, Ltd. | 2229 |
39 |
| Sekisui Chemical Co., Ltd. | 3639 |
39 |
| Avary Holding (Shenzhen) Co., Limited. | 330 |
34 |
| Intel Corporation | 46292 |
33 |
| Samsung Electro-mechanics Co., Ltd. | 6162 |
33 |
| HZO, Inc. | 114 |
30 |
| Resonac Corporation | 3672 |
29 |
| Nitto Denko Corporation | 8589 |
26 |
| Sumitomo Electric Industries, Ltd. | 16368 |
25 |
| Sumitomo Electric Printed Circuits, Inc. | 343 |
25 |
| Other owners | 2669 |