- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 79/08 - Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
Patent holdings for IPC class C08L 79/08
Total number of patents in this class: 2814
10-year publication summary
|
168
|
162
|
246
|
265
|
297
|
262
|
218
|
212
|
169
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17639 |
150 |
| Toray Industries, Inc. | 6855 |
96 |
| Nissan Chemical Industries, Ltd. | 1757 |
88 |
| Mitsubishi Gas Chemical Company, Inc. | 3343 |
86 |
| SHPP Global Technologies B.V. | 1059 |
84 |
| FUJIFILM Corporation | 28805 |
83 |
| PI Advanced Materials Co., Ltd. | 183 |
67 |
| Kaneka Corporation | 4498 |
62 |
| Nissan Chemical Corporation | 1882 |
62 |
| SABIC Global Technologies B.V. | 4203 |
61 |
| Sabic Innovative Plastics IP B.V. | 683 |
53 |
| SKCKOLONPI Inc. | 70 |
52 |
| Sumitomo Chemical Company, Limited | 8988 |
42 |
| Kolon Industries, Inc. | 1589 |
40 |
| Ube Industries, Ltd. | 879 |
35 |
| E. I. du Pont de Nemours and Company | 4249 |
32 |
| Hitachi Chemical Company, Ltd. | 2387 |
26 |
| Solvay Specialty Polymers USA, LLC | 559 |
25 |
| Resonac Corporation | 2423 |
25 |
| Samsung Electronics Co., Ltd. | 139001 |
23 |
| Other owners | 1622 |