- 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: 2960
10-year publication summary
|
153
|
241
|
262
|
297
|
260
|
221
|
213
|
169
|
178
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17744 |
149 |
| FUJIFILM Corporation | 30016 |
105 |
| Toray Industries, Inc. | 7018 |
100 |
| Mitsubishi Gas Chemical Company, Inc. | 3546 |
90 |
| Nissan Chemical Industries, Ltd. | 1685 |
88 |
| SHPP Global Technologies B.V. | 1091 |
85 |
| Nissan Chemical Corporation | 2131 |
75 |
| PI Advanced Materials Co., Ltd. | 214 |
74 |
| Kaneka Corporation | 4640 |
70 |
| SABIC Global Technologies B.V. | 4449 |
61 |
| Sabic Innovative Plastics IP B.V. | 681 |
53 |
| SKCKOLONPI Inc. | 70 |
52 |
| Sumitomo Chemical Company, Limited | 9053 |
41 |
| Kolon Industries, Inc. | 1736 |
40 |
| Ube Industries, Ltd. | 802 |
33 |
| E. I. du Pont de Nemours and Company | 3774 |
31 |
| Resonac Corporation | 3098 |
31 |
| Solvay Specialty Polymers USA, LLC | 512 |
25 |
| Samsung Electronics Co., Ltd. | 151303 |
23 |
| Hitachi Chemical Company, Ltd. | 2299 |
23 |
| Other owners | 1711 |