- 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 9/16 - Carbon filamentsApparatus specially adapted for the manufacture thereof by decomposition of organic filaments from products of vegetable origin or derivatives thereof, e.g. from cellulose acetat
Patent holdings for IPC class D01F 9/16
Total number of patents in this class: 121
10-year publication summary
|
8
|
9
|
9
|
11
|
5
|
14
|
11
|
5
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Paper Industries Co., Ltd. | 812 |
12 |
| Nippon Telegraph and Telephone Corporation | 16380 |
7 |
| Asahi Trading Co., Ltd. | 6 |
6 |
| Shin Nihon Tex CO., LTD. | 6 |
6 |
| Arkema France | 3888 |
5 |
| Institut de Recherche Technologique Jules Verne | 61 |
5 |
| Faurecia Services Groupe | 8 |
5 |
| Stora Enso Oyj | 1605 |
4 |
| Centrotherm International AG | 63 |
4 |
| BASF Corporation | 1762 |
3 |
| Deutsche Institute fur Textil -und Faserforschung Denkendorf | 70 |
3 |
| SGL Carbon SE | 386 |
3 |
| Association pour le Développement de L'ENSEIGNEMENT et des Recherches Auprès des Universités, des Centres de Recherche et des Entreprises D'aquitaine (adera) | 3 |
3 |
| Mitsui Global Strategic Studies Institute | 3 |
3 |
| Technikum Laubholz GmbH | 19 |
3 |
| Deakin University | 125 |
2 |
| Norwegian University of Science and Technology (ntnu) | 176 |
2 |
| Taiheiyo Cement Corporation | 237 |
2 |
| Soane Materials LLC | 13 |
2 |
| The Procter & Gamble Company | 22147 |
1 |
| Other owners | 40 |