- All sections
- C - Chemistry; metallurgy
- C10N - Indexing scheme associated with subclass
- C10N 40/30 - Refrigerator lubricant
Patent holdings for IPC class C10N 40/30
Total number of patents in this class: 647
10-year publication summary
|
44
|
51
|
49
|
37
|
54
|
51
|
48
|
41
|
36
|
9
|
| 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 |
160 |
| JX Nippon Oil & Energy Corporation | 1019 |
58 |
| ENEOS Corporation | 611 |
47 |
| JXTG Nippon Oil & Energy Corporation | 325 |
35 |
| Daikin Industries, Ltd. | 9495 |
27 |
| KH Neochem Co., Ltd. | 51 |
19 |
| Asahi Glass Company, Limited | 2985 |
15 |
| Adeka Corporation | 1333 |
13 |
| FUJIFILM Corporation | 27102 |
12 |
| The Chemours Company Fc, LLC | 1107 |
11 |
| Nippon Oil Corporation | 340 |
11 |
| Mitsubishi Electric Corporation | 43934 |
9 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
9 |
| The Lubrizol Corporation | 1335 |
9 |
| Mexichem Fluor, Sociedad Anonima de Capital Variable | 200 |
9 |
| Chemtura Corporation | 211 |
8 |
| Honeywell International Inc. | 13799 |
7 |
| Panasonic Corporation | 20786 |
7 |
| Dow Global Technologies LLC | 10147 |
7 |
| NOK Corporation | 2108 |
7 |
| Other owners | 167 |