- All sections
- B - Performing operationstransporting
- B22F - Working metallic powdermanufacture of articles from metallic powdermaking metallic powderapparatus or devices specially adapted for metallic powder
- B22F 1/145 - Chemical treatment, e.g. passivation or decarburisation
Patent holdings for IPC class B22F 1/145
Total number of patents in this class: 290
10-year publication summary
|
3
|
3
|
6
|
8
|
30
|
41
|
56
|
64
|
33
|
23
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3884 |
13 |
| Ap&c Advanced Powders & Coatings Inc. | 38 |
10 |
| TDK Corporation | 6910 |
7 |
| Ningxia Orient Tantalum Industry Co., Ltd. | 58 |
6 |
| Toyota Motor Corporation | 35927 |
5 |
| Murata Manufacturing Co., Ltd. | 25809 |
5 |
| Arizona Board of Regents on behalf of Arizona State University | 2962 |
5 |
| Dowa Electronics Materials Co., Ltd. | 634 |
5 |
| Hengdian Group Dmegc Magnetics Co., Ltd | 191 |
5 |
| Tekna Plasma Systems Inc. | 66 |
5 |
| Purdue Research Foundation | 3937 |
4 |
| HRL Laboratories, LLC | 1629 |
4 |
| Peridot Print LLC | 1325 |
4 |
| Mitsui Kinzoku Company, Limited | 469 |
4 |
| Centre National de La Recherche Scientifique | 11059 |
3 |
| Seiko Epson Corporation | 20337 |
3 |
| National Institute of Advanced Industrial Science and Technology | 3790 |
3 |
| Central South University | 496 |
3 |
| Hydro-Quebec | 633 |
3 |
| Taiyo Nippon Sanso Corporation | 350 |
3 |
| Other owners | 190 |