- 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: 3747
10-year publication summary
|
290
|
385
|
364
|
331
|
299
|
248
|
231
|
223
|
185
|
23
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25214 |
235 |
| Taiyo Ink Mfg. Co., Ltd. | 208 |
118 |
| LG Innotek Co., Ltd. | 8023 |
102 |
| Taiyo Holdings Co., Ltd. | 297 |
81 |
| FUJIFILM Corporation | 30010 |
77 |
| Samsung Electronics Co., Ltd. | 151017 |
67 |
| Apple Inc. | 56891 |
54 |
| Tactotek Oy | 164 |
47 |
| Robert Bosch GmbH | 43244 |
45 |
| Kaneka Corporation | 4629 |
42 |
| Hitachi Chemical Company, Ltd. | 2301 |
39 |
| Sekisui Chemical Co., Ltd. | 3528 |
38 |
| Intel Corporation | 46576 |
32 |
| Avary Holding (Shenzhen) Co., Limited. | 316 |
31 |
| Samsung Electro-mechanics Co., Ltd. | 5748 |
30 |
| HZO, Inc. | 116 |
30 |
| Nitto Denko Corporation | 8399 |
26 |
| Resonac Corporation | 3083 |
26 |
| Showa Denko K.K. | 2137 |
25 |
| NingBo Sunny Opotech Co.,Ltd. | 649 |
24 |
| Other owners | 2578 |