- 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: 237
10-year publication summary
|
0
|
3
|
3
|
6
|
8
|
28
|
38
|
55
|
63
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3691 |
11 |
| Ap&c Advanced Powders & Coatings Inc. | 31 |
8 |
| TDK Corporation | 6689 |
7 |
| Toyota Motor Corporation | 31693 |
5 |
| Hengdian Group Dmegc Magnetics Co., Ltd | 166 |
5 |
| Ningxia Orient Tantalum Industry Co., Ltd. | 52 |
5 |
| Murata Manufacturing Co., Ltd. | 24409 |
4 |
| Arizona Board of Regents on behalf of Arizona State University | 2592 |
4 |
| Dowa Electronics Materials Co., Ltd. | 631 |
4 |
| Mitsui Mining & Smelting Co., Ltd. | 1472 |
4 |
| Peridot Print LLC | 1278 |
4 |
| National Institute of Advanced Industrial Science and Technology | 3792 |
3 |
| Purdue Research Foundation | 3576 |
3 |
| Central South University | 430 |
3 |
| HRL Laboratories, LLC | 1601 |
3 |
| Hydro-Quebec | 649 |
3 |
| Taiyo Nippon Sanso Corporation | 365 |
3 |
| Tanaka Kikinzoku Kogyo K.K. | 585 |
3 |
| Tekna Plasma Systems Inc. | 69 |
3 |
| 6K Inc | 148 |
3 |
| Other owners | 149 |