- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 64/04 - Aromatic polycarbonates
Patent holdings for IPC class C08G 64/04
Total number of patents in this class: 303
10-year publication summary
|
7
|
22
|
28
|
17
|
27
|
22
|
25
|
20
|
23
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Gas Chemical Company, Inc. | 3494 |
56 |
| Mitsubishi Chemical Corporation | 4593 |
26 |
| Teijin Limited | 1258 |
25 |
| Idemitsu Kosan Co., Ltd. | 4239 |
22 |
| SABIC Global Technologies B.V. | 4388 |
18 |
| Covestro Deutschland AG | 2784 |
15 |
| Sabic Innovative Plastics IP B.V. | 681 |
12 |
| LG Chem, Ltd. | 17682 |
11 |
| SHPP Global Technologies B.V. | 1089 |
9 |
| Cheil Industries Inc. | 844 |
6 |
| Mitsubishi Engineering-Plastics Corporation | 308 |
5 |
| FUJIFILM Corporation | 29752 |
4 |
| Honshu Chemical Industry Co., Ltd. | 176 |
4 |
| Rutgers, The State University of New Jersey | 1928 |
4 |
| Samsung Electronics Co., Ltd. | 148649 |
3 |
| Bayer MaterialScience AG | 774 |
3 |
| MGC Filsheet Co., Ltd. | 156 |
3 |
| Valspar Sourcing, Inc. | 334 |
3 |
| Lotte Advanced Materials Co., Ltd. | 404 |
3 |
| The Sherwin-Williams Company | 528 |
2 |
| Other owners | 69 |