- All sections
- H - Electricity
- H05K - Printed circuitscasings or constructional details of electric apparatusmanufacture of assemblages of electrical components
- H05K 3/26 - Cleaning or polishing of the conductive pattern
Patent holdings for IPC class H05K 3/26
Total number of patents in this class: 227
10-year publication summary
|
17
|
20
|
15
|
28
|
16
|
19
|
8
|
18
|
15
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ushio Denki Kabushiki Kaisha | 1181 |
8 |
| Ibiden Co., Ltd. | 1704 |
6 |
| at & S Austria Technologie & Systemtechnik Aktiengesellschaft | 489 |
6 |
| Atotech Deutschland GmbH | 556 |
6 |
| RN2 Technologies Co., Ltd. | 11 |
6 |
| Rn2 Ceramics Co., Ltd. | 8 |
6 |
| Murata Manufacturing Co., Ltd. | 24542 |
5 |
| Illinois Tool Works Inc. | 11469 |
4 |
| Ube Industries, Ltd. | 849 |
4 |
| Samsung Display Co., Ltd. | 34798 |
3 |
| International Business Machines Corporation | 61257 |
3 |
| FUJIFILM Corporation | 29399 |
3 |
| Raytheon Company | 8386 |
3 |
| Nitto Denko Corporation | 8241 |
3 |
| Shinko Electric Industries Co., Ltd. | 1208 |
3 |
| Nitta Haas Incorporated | 70 |
3 |
| Shellef Holdings, Inc | 6 |
3 |
| Toshiba Materials Co., Ltd. | 667 |
3 |
| BASF SE | 20915 |
2 |
| Toshiba Corporation | 12345 |
2 |
| Other owners | 145 |