- All sections
- C - Chemistrymetallurgy
- C10N - Indexing scheme associated with subclass
- C10N 10/04 - Groups 2 or 12
Patent holdings for IPC class C10N 10/04
Total number of patents in this class: 818
10-year publication summary
|
47
|
44
|
50
|
50
|
51
|
37
|
39
|
49
|
47
|
35
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4208 |
120 |
| The Lubrizol Corporation | 1283 |
84 |
| Kyodo Yushi Co., Ltd. | 235 |
41 |
| JX Nippon Oil & Energy Corporation | 999 |
31 |
| NTN Corporation | 4984 |
30 |
| ExxonMobil Research And Engineering Company | 2585 |
29 |
| Afton Chemical Corporation | 482 |
28 |
| ENEOS Corporation | 609 |
25 |
| JXTG Nippon Oil & Energy Corporation | 323 |
24 |
| Infineum International Limited | 388 |
23 |
| Chevron Oronite Company LLC | 572 |
21 |
| Shell Internationale Research Maatschappij B.V. | 3551 |
15 |
| JTEKT Corporation | 2492 |
10 |
| AutoNetworks Technologies, Ltd. | 6546 |
10 |
| Kyushu University, National University Corporation | 1652 |
10 |
| Nippon Oil Corporation | 286 |
10 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
10 |
| Vallourec Oil and Gas France | 453 |
10 |
| Chevron Japan Ltd. | 97 |
9 |
| Sumitomo Electric Industries, Ltd. | 15414 |
8 |
| Other owners | 270 |