- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 79/08 - PolyimidesPolyester-imidesPolyamide-imidesPolyamide acids or similar polyimide precursors
Patent holdings for IPC class C08L 79/08
Total number of patents in this class: 2896
10-year publication summary
|
168
|
162
|
246
|
265
|
297
|
263
|
221
|
213
|
168
|
111
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17620 |
149 |
| Toray Industries, Inc. | 6936 |
97 |
| FUJIFILM Corporation | 29350 |
92 |
| Mitsubishi Gas Chemical Company, Inc. | 3461 |
88 |
| Nissan Chemical Industries, Ltd. | 1717 |
88 |
| SHPP Global Technologies B.V. | 1082 |
84 |
| Nissan Chemical Corporation | 2010 |
71 |
| PI Advanced Materials Co., Ltd. | 200 |
70 |
| Kaneka Corporation | 4519 |
69 |
| SABIC Global Technologies B.V. | 4335 |
61 |
| Sabic Innovative Plastics IP B.V. | 681 |
53 |
| SKCKOLONPI Inc. | 70 |
52 |
| Sumitomo Chemical Company, Limited | 9047 |
41 |
| Kolon Industries, Inc. | 1687 |
40 |
| Ube Industries, Ltd. | 850 |
33 |
| E. I. du Pont de Nemours and Company | 4086 |
32 |
| Resonac Corporation | 2790 |
27 |
| Solvay Specialty Polymers USA, LLC | 582 |
26 |
| Samsung Electronics Co., Ltd. | 145864 |
23 |
| Hitachi Chemical Company, Ltd. | 2352 |
23 |
| Other owners | 1677 |