- All sections
- B - Performing operationstransporting
- B22D - Casting of metalscasting of other substances by the same processes or devices
- B22D 27/20 - Measures not previously mentioned for influencing the grain structure or textureSelection of compositions therefor
Patent holdings for IPC class B22D 27/20
Total number of patents in this class: 123
10-year publication summary
|
13
|
13
|
10
|
5
|
9
|
5
|
6
|
2
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Light Metal Company, Ltd. | 662 |
6 |
| Safran Aircraft Engines | 6270 |
5 |
| Akebono Brake Industry Co., Ltd. | 359 |
4 |
| Southwire Company, LLC | 782 |
4 |
| Toshiba Kikai Kabushiki Kaisha | 285 |
4 |
| I2c Co., Ltd. | 6 |
4 |
| General Electric Company | 13811 |
3 |
| Mitsubishi Electric Corporation | 45962 |
3 |
| IHI Corporation | 3416 |
3 |
| Mitsubishi Shindoh Co., Ltd. | 126 |
3 |
| Sintokogio, Ltd. | 1166 |
3 |
| Tohoku University | 2775 |
3 |
| UACJ Corporation | 691 |
3 |
| Apple Inc. | 54658 |
2 |
| Rolls-Royce PLC | 3085 |
2 |
| Showa Denko K.K. | 2249 |
2 |
| Crucible Intellectual Property, LLC | 90 |
2 |
| Ferropem | 13 |
2 |
| Fujiwa Denki Co., Ltd. | 48 |
2 |
| Kabushiki Kaisha Riken | 285 |
2 |
| Other owners | 61 |