- All sections
- C - Chemistrymetallurgy
- C10M - Lubricating compositionsuse of chemical substances either alone or as lubricating ingredients in a lubricating composition
- C10M 103/02 - CarbonGraphite
Patent holdings for IPC class C10M 103/02
Total number of patents in this class: 220
10-year publication summary
|
28
|
24
|
19
|
20
|
15
|
11
|
10
|
5
|
10
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Taiho Kogyo Co., Ltd. | 330 |
9 |
| Vallourec Oil and Gas France | 456 |
9 |
| Mitsubishi Gas Chemical Company, Inc. | 3485 |
8 |
| UChicago Argonne, LLC | 926 |
7 |
| Nippon Steel Corporation | 6405 |
6 |
| Honda Motor Co., Ltd. | 25776 |
5 |
| NTN Corporation | 4979 |
5 |
| JFE Steel Corporation | 6992 |
5 |
| Nippon Steel & Sumitomo Metal Corporation | 1987 |
5 |
| JTEKT Corporation | 2519 |
4 |
| Daicel Corporation | 2387 |
4 |
| Dow Corning Toray Co., Ltd. | 482 |
4 |
| The University of Tokyo | 4229 |
4 |
| Daido Metal Company Ltd. | 234 |
3 |
| Harmonic Drive Systems Inc. | 475 |
3 |
| Nihon Parkerizing Co., Ltd. | 289 |
3 |
| Tohoku University | 2824 |
3 |
| Vallourec Mannesmann Oil & Gas France | 58 |
3 |
| Nanoxplore Inc. | 52 |
3 |
| Centre National de La Recherche Scientifique | 10595 |
2 |
| Other owners | 125 |