- All sections
- H - Electricity
- H05K - Printed circuits; casings or constructional details of electric apparatus; manufacture 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: 226
10-year publication summary
|
17
|
20
|
15
|
28
|
16
|
19
|
8
|
16
|
15
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ushio Denki Kabushiki Kaisha | 1140 |
8 |
| at & S Austria Technologie & Systemtechnik Aktiengesellschaft | 459 |
6 |
| Atotech Deutschland GmbH | 566 |
6 |
| RN2 Technologies Co., Ltd. | 8 |
6 |
| Rn2 Ceramics Co., Ltd. | 7 |
6 |
| Murata Manufacturing Co., Ltd. | 23680 |
5 |
| Ibiden Co., Ltd. | 1735 |
5 |
| Illinois Tool Works Inc. | 11386 |
4 |
| Ube Industries, Ltd. | 880 |
4 |
| Samsung Display Co., Ltd. | 32745 |
3 |
| International Business Machines Corporation | 60095 |
3 |
| FUJIFILM Corporation | 28555 |
3 |
| Raytheon Company | 8435 |
3 |
| Shinko Electric Industries Co., Ltd. | 1186 |
3 |
| Nitta Haas Incorporated | 70 |
3 |
| Shellef Holdings, Inc | 6 |
3 |
| Toshiba Materials Co., Ltd. | 631 |
3 |
| BASF SE | 20403 |
2 |
| Toshiba Corporation | 12043 |
2 |
| Panasonic Corporation | 20322 |
2 |
| Other owners | 146 |