- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 63/00 - Compositions of epoxy resinsCompositions of derivatives of epoxy resins
Patent holdings for IPC class C08L 63/00
Total number of patents in this class: 6921
10-year publication summary
|
530
|
466
|
487
|
524
|
503
|
483
|
454
|
459
|
353
|
239
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6950 |
202 |
| Hitachi Chemical Company, Ltd. | 2343 |
167 |
| Dow Global Technologies LLC | 10371 |
148 |
| Mitsubishi Gas Chemical Company, Inc. | 3470 |
142 |
| 3m Innovative Properties Company | 17820 |
140 |
| Sumitomo Bakelite Co., Ltd. | 1498 |
139 |
| Henkel AG & Co. KGaA | 10588 |
119 |
| Panasonic Intellectual Property Management Co., Ltd. | 31598 |
116 |
| Shengyi Technology Co., Ltd. | 262 |
116 |
| Resonac Corporation | 2825 |
110 |
| Sekisui Chemical Co., Ltd. | 3436 |
108 |
| DIC Corporation | 3803 |
104 |
| Namics Corporation | 444 |
102 |
| Sika Technology AG | 2871 |
102 |
| LG Chem, Ltd. | 17641 |
101 |
| Mitsubishi Chemical Corporation | 4526 |
91 |
| Kaneka Corporation | 4544 |
91 |
| Daicel Corporation | 2354 |
73 |
| Ajinomoto Co., Inc. | 2294 |
71 |
| FUJIFILM Corporation | 29458 |
68 |
| Other owners | 4611 |