- 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: 780
10-year publication summary
|
49
|
37
|
54
|
51
|
51
|
53
|
52
|
56
|
47
|
32
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4285 |
163 |
| ENEOS Corporation | 720 |
93 |
| JX Nippon Oil & Energy Corporation | 978 |
58 |
| Daikin Industries, Ltd. | 10527 |
42 |
| JXTG Nippon Oil & Energy Corporation | 323 |
35 |
| KH Neochem Co., Ltd. | 70 |
20 |
| The Chemours Company Fc, LLC | 1356 |
16 |
| Mitsubishi Electric Corporation | 48409 |
15 |
| The Lubrizol Corporation | 1264 |
15 |
| Asahi Glass Company, Limited | 2592 |
14 |
| Agc, Inc. | 5649 |
13 |
| FUJIFILM Corporation | 30774 |
12 |
| Adeka Corporation | 1389 |
12 |
| Mexichem Fluor, Sociedad Anonima de Capital Variable | 204 |
12 |
| NOK Corporation | 2345 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 34568 |
9 |
| Dow Global Technologies LLC | 11051 |
8 |
| Chemtura Corporation | 121 |
8 |
| Moresco Corporation | 188 |
8 |
| Nippon Oil Corporation | 155 |
8 |
| Other owners | 209 |