Patent holdings for IPC class H01B 1/22

Total number of patents in this class: 3992

10-year publication summary

324
336
317
254
207
198
187
155
165
84
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Sekisui Chemical Co., Ltd.
3603
160
Dowa Electronics Materials Co., Ltd.
635
131
E. I. du Pont de Nemours and Company
3553
119
Dexerials Corporation
2002
117
Murata Manufacturing Co., Ltd.
25708
97
Hitachi Chemical Company, Ltd.
2247
93
Namics Corporation
481
78
Sumitomo Metal Mining Co., Ltd.
1968
77
Solar Paste, LLC
120
71
Tatsuta Electric Wire & Cable Co., Ltd.
425
64
FUJIFILM Corporation
30479
59
LG Chem, Ltd.
17926
49
Henkel AG & Co. KGaA
10766
48
Tanaka Kikinzoku Kogyo K.K.
575
45
Shoei Chemical Inc.
332
42
Changzhou Fusion New Material Co., Ltd.
56
39
Mitsui Mining & Smelting Co., Ltd.
1342
38
Toyobo Co., Ltd.
2531
38
Resonac Corporation
3503
36
Daicel Corporation
2506
33
Other owners 2558