- All sections
- D - Textiles; paper
- D04B - Knitting
- D04B 21/00 - Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
Patent holdings for IPC class D04B 21/00
Total number of patents in this class: 235
10-year publication summary
|
14
|
7
|
20
|
12
|
22
|
23
|
14
|
19
|
15
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6652 |
16 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
7 |
| Teijin Limited | 1216 |
6 |
| Seiren Co., Ltd. | 284 |
5 |
| Teijin Frontier Co., Ltd. | 182 |
5 |
| 3m Innovative Properties Company | 18406 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
3 |
| W. L. Gore & Associates, Inc. | 2600 |
3 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
3 |
| Matsuyama Keori Co., Ltd. | 6 |
3 |
| Other Lab, LLC | 66 |
3 |
| Teijin Fibers Limited | 66 |
3 |
| Toyobo Co., Ltd. | 2286 |
3 |
| Wacoal Corp. | 171 |
3 |
| Toyobo STC Co., Ltd. | 35 |
3 |
| Boston Scientific Scimed, Inc. | 8794 |
2 |
| Nitto Denko Corporation | 7879 |
2 |
| Kaneka Corporation | 4445 |
2 |
| Duke University | 2872 |
2 |
| Artimplant AB | 3 |
2 |
| Other owners | 156 |