- All sections
- C - Chemistry; metallurgy
- 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: 761
10-year publication summary
32
|
47
|
44
|
50
|
49
|
50
|
35
|
38
|
35
|
14
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Idemitsu Kosan Co., Ltd. | 3995 |
112 |
The Lubrizol Corporation | 1335 |
70 |
Kyodo Yushi Co., Ltd. | 224 |
40 |
NTN Corporation | 5008 |
34 |
JX Nippon Oil & Energy Corporation | 1019 |
31 |
ExxonMobil Research And Engineering Company | 2830 |
29 |
JXTG Nippon Oil & Energy Corporation | 325 |
24 |
Afton Chemical Corporation | 468 |
20 |
ENEOS Corporation | 611 |
20 |
Shell Internationale Research Maatschappij B.V. | 3792 |
17 |
Chevron Oronite Company LLC | 551 |
13 |
Nippon Oil Corporation | 340 |
13 |
Infineum International Limited | 340 |
12 |
AutoNetworks Technologies, Ltd. | 5809 |
10 |
Kyushu University, National University Corporation | 1572 |
10 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
10 |
JTEKT Corporation | 2423 |
9 |
Nihon Parkerizing Co., Ltd. | 274 |
9 |
Sumitomo Metal Industries, Ltd. | 453 |
9 |
Vallourec Oil and Gas France | 450 |
9 |
Other owners | 260 |