- 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: 6860
10-year publication summary
|
550
|
487
|
505
|
549
|
524
|
497
|
458
|
462
|
352
|
168
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6891 |
201 |
| Hitachi Chemical Company, Ltd. | 2358 |
168 |
| Dow Global Technologies LLC | 10354 |
149 |
| Mitsubishi Gas Chemical Company, Inc. | 3438 |
142 |
| 3m Innovative Properties Company | 17849 |
141 |
| Sumitomo Bakelite Co., Ltd. | 1485 |
137 |
| Henkel AG & Co. KGaA | 10451 |
117 |
| Panasonic Intellectual Property Management Co., Ltd. | 30967 |
116 |
| Shengyi Technology Co., Ltd. | 261 |
116 |
| Sekisui Chemical Co., Ltd. | 3373 |
108 |
| Resonac Corporation | 2680 |
107 |
| DIC Corporation | 3750 |
104 |
| Sika Technology AG | 2845 |
102 |
| LG Chem, Ltd. | 17561 |
101 |
| Namics Corporation | 438 |
100 |
| Mitsubishi Chemical Corporation | 4485 |
90 |
| Kaneka Corporation | 4486 |
90 |
| Daicel Corporation | 2329 |
73 |
| Ajinomoto Co., Inc. | 2298 |
70 |
| FUJIFILM Corporation | 29228 |
68 |
| Other owners | 4560 |