- All sections
- D - Textilespaper
- D01F - Chemical features in the manufacture of man-made filaments, threads, fibres, bristles or ribbonsapparatus specially adapted for the manufacture of carbon filaments
- D01F 6/84 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from copolycondensation products from copolyesters
Patent holdings for IPC class D01F 6/84
Total number of patents in this class: 266
10-year publication summary
|
14
|
17
|
18
|
17
|
28
|
20
|
24
|
25
|
15
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Jiangsu Hengli; Chemical Fibre Co., Ltd. | 116 |
23 |
| Kuraray Co., Ltd. | 3570 |
18 |
| Toray Industries, Inc. | 7033 |
13 |
| Kaneka Corporation | 4630 |
13 |
| Poly-Med, Inc. | 185 |
9 |
| Eastman Chemical Company | 2089 |
7 |
| Columbia Insurance Company | 1493 |
6 |
| DuPont Teijin Films U.S. Limited Partnership | 105 |
6 |
| Parkdale Incorporated | 26 |
6 |
| Toyobo MC Corporation | 511 |
6 |
| The University of Tokyo | 4314 |
5 |
| Kimberly-clark Worldwide, Inc. | 5314 |
4 |
| Sumitomo Chemical Company, Limited | 9048 |
4 |
| Kingfa SCI & Tech Co. Ltd. | 663 |
4 |
| Mitsubishi Gas Chemical Company, Inc. | 3577 |
4 |
| Sichuan University | 603 |
4 |
| CJ Cheiljedang Corporation | 3560 |
3 |
| Jiangsu Zhonglu Technology Development Co., Ltd | 5 |
3 |
| Forta, LLC | 55 |
3 |
| Ricoh Company, Ltd. | 13313 |
2 |
| Other owners | 123 |