- All sections
- C - Chemistrymetallurgy
- 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: 760
10-year publication summary
|
49
|
37
|
54
|
51
|
50
|
52
|
51
|
53
|
47
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4232 |
166 |
| ENEOS Corporation | 654 |
86 |
| JX Nippon Oil & Energy Corporation | 978 |
58 |
| Daikin Industries, Ltd. | 10215 |
38 |
| JXTG Nippon Oil & Energy Corporation | 323 |
35 |
| KH Neochem Co., Ltd. | 67 |
20 |
| The Chemours Company Fc, LLC | 1294 |
18 |
| Asahi Glass Company, Limited | 2707 |
15 |
| Mitsubishi Electric Corporation | 47338 |
14 |
| Adeka Corporation | 1369 |
13 |
| FUJIFILM Corporation | 30016 |
12 |
| The Lubrizol Corporation | 1278 |
12 |
| Mexichem Fluor, Sociedad Anonima de Capital Variable | 203 |
12 |
| Agc, Inc. | 5142 |
12 |
| Nippon Oil Corporation | 253 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 32968 |
9 |
| Dow Global Technologies LLC | 10699 |
8 |
| Chemtura Corporation | 139 |
8 |
| Moresco Corporation | 173 |
8 |
| NOK Corporation | 2264 |
8 |
| Other owners | 197 |