- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 73/10 - Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
Patent holdings for IPC class C08G 73/10
Total number of patents in this class: 4342
10-year publication summary
263
|
275
|
330
|
395
|
394
|
425
|
382
|
388
|
334
|
89
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Nissan Chemical Industries, Ltd. | 1822 |
216 |
LG Chem, Ltd. | 17205 |
210 |
Nissan Chemical Corporation | 1725 |
192 |
FUJIFILM Corporation | 27102 |
142 |
Mitsubishi Gas Chemical Company, Inc. | 3188 |
142 |
PI Advanced Materials Co., Ltd. | 157 |
135 |
Toray Industries, Inc. | 6652 |
134 |
Kaneka Corporation | 4445 |
133 |
SHPP Global Technologies B.V. | 1045 |
96 |
Ube Industries, Ltd. | 921 |
94 |
SABIC Global Technologies B.V. | 4044 |
72 |
SKCKOLONPI Inc. | 70 |
59 |
Kolon Industries, Inc. | 1506 |
55 |
Mitsui Chemicals, Inc. | 3134 |
49 |
Samsung Electronics Co., Ltd. | 131630 |
43 |
SK Innovation Co., Ltd. | 1015 |
42 |
DuPont Electronics, Inc. | 379 |
38 |
Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 4721 |
37 |
E. I. du Pont de Nemours and Company | 4345 |
36 |
Ube Corporation | 315 |
35 |
Other owners | 2382 |