- All sections
- C - Chemistrymetallurgy
- C10N - Indexing scheme associated with subclass
- C10N 40/02 - Bearings
Patent holdings for IPC class C10N 40/02
Total number of patents in this class: 831
10-year publication summary
|
36
|
30
|
48
|
54
|
54
|
45
|
57
|
44
|
47
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4103 |
116 |
| NTN Corporation | 4976 |
78 |
| Kyodo Yushi Co., Ltd. | 230 |
72 |
| NSK Ltd. | 2738 |
30 |
| JX Nippon Oil & Energy Corporation | 1010 |
28 |
| JTEKT Corporation | 2443 |
25 |
| Shell Internationale Research Maatschappij B.V. | 3722 |
21 |
| NOK Kluber Co., Ltd. | 51 |
20 |
| FUJIFILM Corporation | 28805 |
17 |
| Adeka Corporation | 1342 |
16 |
| JXTG Nippon Oil & Energy Corporation | 324 |
15 |
| Aktiebolaget SKF | 2839 |
14 |
| The Lubrizol Corporation | 1313 |
14 |
| Minebea Mitsumi Inc. | 1616 |
11 |
| ENEOS Corporation | 584 |
11 |
| Moresco Corporation | 157 |
10 |
| Taiho Kogyo Co., Ltd. | 334 |
10 |
| Daicel Corporation | 2245 |
8 |
| Klueber Lubrication Muenchen SE & Co. KG | 25 |
8 |
| Showa Denko K.K. | 2337 |
7 |
| Other owners | 300 |