- All sections
- B - Performing operationstransporting
- B23H - Working of metal by the action of a high concentration of electric current on a workpiece using an electrode which takes the place of a toolsuch working combined with other forms of working of metal
- B23H 7/38 - Influencing metal working by using specially adapted means not directly involved in the removal of metal, e.g. ultrasonic waves, magnetic fields or laser irradiation
Patent holdings for IPC class B23H 7/38
Total number of patents in this class: 31
10-year publication summary
|
3
|
1
|
2
|
2
|
2
|
1
|
1
|
0
|
0
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rolls-Royce PLC | 3225 |
4 |
| Asahi Glass Company, Limited | 2611 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 9161 |
2 |
| Pratt & Whitney Canada Corp. | 5519 |
2 |
| Ustav Termomechaniky AV CR, V.v.i. | 3 |
2 |
| Samsung Electronics Co., Ltd. | 158337 |
1 |
| Siemens AG | 23996 |
1 |
| Denso Corporation | 25633 |
1 |
| Continental Automotive GmbH | 4483 |
1 |
| Idemitsu Kosan Co., Ltd. | 4251 |
1 |
| Daicel Corporation | 2542 |
1 |
| Daicel Polymer Ltd. | 71 |
1 |
| Korea Institute of Energy Research | 901 |
1 |
| Micron Machinery Co., Ltd | 13 |
1 |
| Nagaoka University of Technology | 73 |
1 |
| National Central University | 256 |
1 |
| Seibu Electric & Machinery Co., Ltd. | 50 |
1 |
| Sodick Co., Ltd. | 301 |
1 |
| National Kaohsiung University of Science and Technology | 43 |
1 |
| Vitesco Technologies GmbH | 2396 |
1 |
| Other owners | 3 |