- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 63/00 - Compositions of epoxy resins; Compositions of derivatives of epoxy resins
Patent holdings for IPC class C08L 63/00
Total number of patents in this class: 6633
10-year publication summary
489
|
550
|
487
|
505
|
550
|
518
|
481
|
450
|
450
|
100
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Toray Industries, Inc. | 6652 |
193 |
Hitachi Chemical Company, Ltd. | 2455 |
171 |
Dow Global Technologies LLC | 10147 |
168 |
Sumitomo Bakelite Co., Ltd. | 1416 |
143 |
3m Innovative Properties Company | 18406 |
140 |
Mitsubishi Gas Chemical Company, Inc. | 3188 |
136 |
Shengyi Technology Co., Ltd. | 255 |
115 |
Henkel AG & Co. KGaA | 10129 |
102 |
DIC Corporation | 3597 |
101 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
99 |
Sika Technology AG | 2650 |
99 |
Kaneka Corporation | 4445 |
93 |
Namics Corporation | 393 |
93 |
LG Chem, Ltd. | 17205 |
92 |
Mitsubishi Chemical Corporation | 4313 |
91 |
Sekisui Chemical Co., Ltd. | 3159 |
90 |
Resonac Corporation | 2233 |
80 |
Daicel Corporation | 2128 |
73 |
FUJIFILM Corporation | 27102 |
69 |
Ajinomoto Co., Inc. | 2337 |
67 |
Other owners | 4418 |