- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 19/38 - Polymers, e.g. polyamides
Patent holdings for IPC class C09K 19/38
Total number of patents in this class: 1470
10-year publication summary
|
105
|
114
|
133
|
118
|
116
|
72
|
84
|
79
|
74
|
46
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29742 |
190 |
| DIC Corporation | 3829 |
180 |
| Ticona LLC | 599 |
92 |
| JNC Corporation | 1506 |
90 |
| JNC Petrochemical Corporation | 328 |
86 |
| Merck Patent GmbH | 5777 |
55 |
| Sumitomo Chemical Company, Limited | 9089 |
50 |
| Zeon Corporation | 4118 |
47 |
| LG Chem, Ltd. | 17686 |
31 |
| Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd. | 199 |
23 |
| Nissan Chemical Industries, Ltd. | 1700 |
22 |
| SICPA Holding SA | 921 |
14 |
| Transitions Optical, Inc. | 252 |
12 |
| University of Hyogo | 98 |
12 |
| Nissan Chemical Corporation | 2090 |
12 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8476 |
11 |
| Crysoptix KK | 38 |
11 |
| Rolic AG | 69 |
10 |
| Sharp Kabushiki Kaisha | 18654 |
10 |
| Eneos Materials Corporation | 275 |
10 |
| Other owners | 502 |