- 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: 2911
10-year publication summary
|
167
|
153
|
241
|
262
|
297
|
260
|
220
|
212
|
168
|
127
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17635 |
149 |
| FUJIFILM Corporation | 29437 |
98 |
| Toray Industries, Inc. | 6950 |
97 |
| Mitsubishi Gas Chemical Company, Inc. | 3468 |
88 |
| Nissan Chemical Industries, Ltd. | 1711 |
88 |
| SHPP Global Technologies B.V. | 1088 |
84 |
| Nissan Chemical Corporation | 2033 |
71 |
| PI Advanced Materials Co., Ltd. | 201 |
70 |
| Kaneka Corporation | 4534 |
68 |
| SABIC Global Technologies B.V. | 4351 |
61 |
| Sabic Innovative Plastics IP B.V. | 681 |
53 |
| SKCKOLONPI Inc. | 70 |
52 |
| Sumitomo Chemical Company, Limited | 9043 |
41 |
| Kolon Industries, Inc. | 1688 |
40 |
| Ube Industries, Ltd. | 845 |
33 |
| E. I. du Pont de Nemours and Company | 4050 |
32 |
| Resonac Corporation | 2812 |
28 |
| Solvay Specialty Polymers USA, LLC | 587 |
26 |
| Samsung Electronics Co., Ltd. | 146811 |
23 |
| Hitachi Chemical Company, Ltd. | 2344 |
23 |
| Other owners | 1686 |