- All sections
- B - Performing operations; transporting
- B23K - Soldering or unsoldering; welding; cladding or plating by soldering or welding; cutting by applying heat locally, e.g. flame cutting; working by laser beam
- B23K 1/20 - Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
Patent holdings for IPC class B23K 1/20
Total number of patents in this class: 797
10-year publication summary
|
153
|
64
|
73
|
81
|
64
|
60
|
45
|
39
|
29
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Senju Metal Industry Co., Ltd. | 654 |
24 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
16 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
15 |
| UACJ Corporation | 631 |
15 |
| GE Infrastructure Technology, LLC | 5873 |
15 |
| Alfa Laval Corporate AB | 1265 |
14 |
| Illinois Tool Works Inc. | 11152 |
13 |
| Siemens AG | 24990 |
13 |
| Rolls-Royce Corporation | 1686 |
13 |
| Siemens Energy, Inc. | 1770 |
12 |
| Valeo Systemes Thermiques | 2471 |
12 |
| Watlow Electric Manufacturing Company | 569 |
12 |
| International Business Machines Corporation | 60644 |
11 |
| Raytheon Company | 8535 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
8 |
| Behr GmbH & Co. KG | 437 |
8 |
| KEMET Electronics Corporation | 339 |
8 |
| Shikoku Chemicals Corporation | 78 |
8 |
| Solvay SA | 1181 |
8 |
| Samsung Electronics Co., Ltd. | 131630 |
7 |
| Other owners | 555 |