- All sections
- H - Electricity
- H05K - Printed circuits; casings or constructional details of electric apparatus; manufacture 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: 3481
10-year publication summary
287
|
277
|
294
|
386
|
366
|
335
|
302
|
242
|
228
|
74
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Murata Manufacturing Co., Ltd. | 22355 |
226 |
Taiyo Ink Mfg. Co., Ltd. | 219 |
120 |
FUJIFILM Corporation | 27102 |
76 |
Taiyo Holdings Co., Ltd. | 221 |
70 |
LG Innotek Co., Ltd. | 6758 |
68 |
Apple Inc. | 50209 |
54 |
Samsung Electronics Co., Ltd. | 131630 |
52 |
Tactotek Oy | 154 |
47 |
Robert Bosch GmbH | 40953 |
45 |
Kaneka Corporation | 4445 |
43 |
Hitachi Chemical Company, Ltd. | 2455 |
39 |
Intel Corporation | 45621 |
35 |
Sekisui Chemical Co., Ltd. | 3159 |
34 |
Samsung Electro-mechanics Co., Ltd. | 4798 |
30 |
HZO, Inc. | 115 |
30 |
Avary Holding (Shenzhen) Co., Limited. | 275 |
30 |
Showa Denko K.K. | 2539 |
28 |
Nitto Denko Corporation | 7879 |
26 |
Sumitomo Electric Industries, Ltd. | 14131 |
23 |
NingBo Sunny Opotech Co.,Ltd. | 583 |
22 |
Other owners | 2383 |