- All sections
- D - Textiles; paper
- D01D - Mechanical methods or apparatus in the manufacture of man-made filaments, threads, fibres, bristles or ribbons
- D01D 5/04 - Dry spinning methods
Patent holdings for IPC class D01D 5/04
Total number of patents in this class: 359
10-year publication summary
|
25
|
24
|
34
|
32
|
32
|
32
|
24
|
35
|
15
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
22 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
22 |
| Kao Corporation | 4843 |
17 |
| Panasonic Corporation | 20786 |
14 |
| Hyosung Corporation | 300 |
12 |
| DuPont Safety & Construction, Inc. | 676 |
11 |
| Toray Opelontex Co., Ltd. | 37 |
10 |
| M-TEchX Inc. | 31 |
8 |
| Zhengzhou Zhongyuan Spandex Engineering Technology Co., Ltd | 13 |
7 |
| Hyosung TNC Corporation | 73 |
7 |
| The Procter & Gamble Company | 22178 |
6 |
| E. I. du Pont de Nemours and Company | 4345 |
6 |
| Celanese Acetate LLC | 81 |
6 |
| Teijin Limited | 1216 |
6 |
| The Lycra Company LLC | 138 |
6 |
| Honeywell International Inc. | 13799 |
5 |
| Nissan Chemical Industries, Ltd. | 1822 |
5 |
| Spiber Inc. | 293 |
5 |
| Spinnova Oy | 28 |
5 |
| Toray Industries, Inc. | 6652 |
4 |
| Other owners | 175 |