- All sections
- D - Textilespaper
- D04B - Knitting
- D04B 21/00 - Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machinesFabrics or articles defined by such processes
Patent holdings for IPC class D04B 21/00
Total number of patents in this class: 228
10-year publication summary
|
7
|
20
|
12
|
22
|
23
|
14
|
19
|
15
|
7
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6855 |
18 |
| Mitsubishi Gas Chemical Company, Inc. | 3343 |
7 |
| Teijin Limited | 1233 |
6 |
| Seiren Co., Ltd. | 281 |
5 |
| Teijin Frontier Co., Ltd. | 197 |
5 |
| 3m Innovative Properties Company | 17957 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 29733 |
3 |
| W. L. Gore & Associates, Inc. | 2686 |
3 |
| Asahi Kasei Kabushiki Kaisha | 2556 |
3 |
| Matsuyama Keori Co., Ltd. | 6 |
3 |
| Other Lab, LLC | 72 |
3 |
| Toyobo Co., Ltd. | 2423 |
3 |
| Wacoal Corp. | 167 |
3 |
| Toyobo STC Co., Ltd. | 34 |
3 |
| Nitto Denko Corporation | 8089 |
2 |
| Duke University | 3011 |
2 |
| Artimplant AB | 3 |
2 |
| C. R. Bard, Inc. | 1768 |
2 |
| Formosa Saint Jose Corp. | 60 |
2 |
| Huazhong University of Science and Technology | 993 |
2 |
| Other owners | 148 |