- 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: 745
10-year publication summary
|
51
|
49
|
37
|
54
|
51
|
50
|
51
|
51
|
52
|
28
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4227 |
173 |
| ENEOS Corporation | 620 |
77 |
| JX Nippon Oil & Energy Corporation | 999 |
58 |
| Daikin Industries, Ltd. | 10031 |
37 |
| JXTG Nippon Oil & Energy Corporation | 323 |
35 |
| KH Neochem Co., Ltd. | 66 |
20 |
| Asahi Glass Company, Limited | 2771 |
15 |
| The Chemours Company Fc, LLC | 1244 |
15 |
| Mitsubishi Electric Corporation | 46249 |
14 |
| Adeka Corporation | 1366 |
13 |
| FUJIFILM Corporation | 29458 |
12 |
| Agc, Inc. | 4879 |
12 |
| The Lubrizol Corporation | 1288 |
11 |
| Mexichem Fluor, Sociedad Anonima de Capital Variable | 202 |
11 |
| Nippon Oil Corporation | 283 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 31598 |
9 |
| Honeywell International Inc. | 13548 |
8 |
| Chemtura Corporation | 155 |
8 |
| NOK Corporation | 2223 |
8 |
| Panasonic Corporation | 20085 |
7 |
| Other owners | 191 |