- All sections
- C - Chemistry; metallurgy
- C10M - Lubricating compositions; use of chemical substances either alone or as lubricating ingredients in a lubricating composition
- C10M 103/02 - Carbon; Graphite
Patent holdings for IPC class C10M 103/02
Total number of patents in this class: 211
10-year publication summary
|
9
|
29
|
26
|
21
|
20
|
15
|
11
|
10
|
5
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vallourec Oil and Gas France | 450 |
11 |
| Taiho Kogyo Co., Ltd. | 341 |
9 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
8 |
| Nippon Steel Corporation | 5649 |
7 |
| UChicago Argonne, LLC | 866 |
6 |
| Honda Motor Co., Ltd. | 24537 |
5 |
| NTN Corporation | 5008 |
5 |
| Dow Corning Toray Co., Ltd. | 562 |
5 |
| Nippon Steel & Sumitomo Metal Corporation | 1990 |
5 |
| JTEKT Corporation | 2423 |
4 |
| Daicel Corporation | 2128 |
4 |
| JFE Steel Corporation | 6067 |
4 |
| Nihon Parkerizing Co., Ltd. | 274 |
4 |
| The University of Tokyo | 3903 |
4 |
| Idemitsu Kosan Co., Ltd. | 3995 |
3 |
| Daido Metal Company Ltd. | 228 |
3 |
| Tohoku University | 2526 |
3 |
| Vallourec Mannesmann Oil & Gas France | 66 |
3 |
| Nanoxplore Inc. | 43 |
3 |
| Resonac Corporation | 2233 |
3 |
| Other owners | 112 |