Patent holdings for IPC class C07C 211/54

Total number of patents in this class: 851

10-year publication summary

100
60
56
49
52
76
87
46
40
32
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
LG Chem, Ltd.
18005
94
Samsung Display Co., Ltd.
39369
70
Merck Patent GmbH
5772
62
Hodogaya Chemical Co., Ltd.
434
61
Idemitsu Kosan Co., Ltd.
4293
57
Shaanxi Lighte Optoelectronics Material Co., Ltd.
331
52
Duk San Neolux Co., Ltd.
705
48
Semiconductor Energy Laboratory Co., Ltd.
11940
27
SFC Co., Ltd.
340
24
Nissan Chemical Industries, Ltd.
1622
16
Kyocera Document Solutions Inc.
6452
15
E. I. du Pont de Nemours and Company
3425
14
LT Materials Co., Ltd.
443
11
Material Science Co., Ltd.
53
8
FUJIFILM Corporation
30866
6
Sumitomo Chemical Company, Limited
8992
6
Mitsubishi Chemical Corporation
4774
6
Samsung Electronics Co., Ltd.
159978
5
Canon Inc.
44686
5
Konica Minolta, Inc.
9220
5
Other owners 259