- All sections
- D - Textiles; paper
- D01F - Chemical features in the manufacture of man-made filaments, threads, fibres, bristles or ribbons; apparatus specially adapted for the manufacture of carbon filaments
- D01F 6/84 - Monocomponent man-made filaments or the like of synthetic polymers; Manufacture thereof from copolycondensation products from copolyesters
Patent holdings for IPC class D01F 6/84
Total number of patents in this class: 222
10-year publication summary
14
|
20
|
14
|
16
|
18
|
17
|
28
|
20
|
25
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Jiangsu Hengli; Chemical Fibre Co., Ltd. | 96 |
23 |
Toray Industries, Inc. | 6652 |
13 |
Kuraray Co., Ltd. | 3392 |
11 |
Kaneka Corporation | 4445 |
8 |
Eastman Chemical Company | 2239 |
7 |
DuPont Teijin Films U.S. Limited Partnership | 143 |
6 |
Columbia Insurance Company | 1569 |
5 |
Parkdale Incorporated | 31 |
5 |
Poly-Med, Inc. | 187 |
5 |
Tepha, Inc. | 233 |
5 |
Kimberly-clark Worldwide, Inc. | 5854 |
4 |
Sumitomo Chemical Company, Limited | 8808 |
4 |
Mitsubishi Gas Chemical Company, Inc. | 3188 |
4 |
The University of Tokyo | 3903 |
4 |
Jiangsu Zhonglu Technology Development Co., Ltd | 5 |
3 |
Sichuan University | 498 |
3 |
Tokyo Institute of Technology | 1367 |
3 |
Forta, LLC | 57 |
3 |
Ricoh Company, Ltd. | 13266 |
2 |
Oracle International Corporation | 12313 |
2 |
Other owners | 102 |