- 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 9/08 - Man-made filaments or the like of other substancesManufacture thereofApparatus specially adapted for the manufacture of carbon filaments of inorganic material
Patent holdings for IPC class D01F 9/08
Total number of patents in this class: 335
10-year publication summary
|
26
|
23
|
22
|
23
|
27
|
20
|
19
|
17
|
9
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichias Corporation | 398 |
42 |
| Free Form Fibers, LLC | 39 |
11 |
| JNC Corporation | 1527 |
8 |
| Unifrax I LLC | 242 |
8 |
| Cornell University | 3386 |
6 |
| Nippon Sheet Glass Company, Limited | 964 |
6 |
| Bnnt, LLC | 66 |
5 |
| Tundra Composites, LLC | 71 |
5 |
| Murata Manufacturing Co., Ltd. | 25398 |
4 |
| Toray Industries, Inc. | 7028 |
4 |
| Denka Company Limited | 2685 |
4 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 606 |
4 |
| Nippon Fiber Corporation | 37 |
4 |
| The Regents of the University of California | 20494 |
3 |
| Centre National de La Recherche Scientifique | 10855 |
3 |
| Massachusetts Institute of Technology | 10201 |
3 |
| Board of Regents, The University of Texas System | 6037 |
3 |
| Ibiden Co., Ltd. | 1680 |
3 |
| National Institute of Advanced Industrial Science and Technology | 3801 |
3 |
| Advanced Ceramic Fibers, LLC | 12 |
3 |
| Other owners | 203 |