Patent holdings for IPC class H01B 1/22

Total number of patents in this class: 3886

10-year publication summary

321
331
313
253
204
196
186
153
163
31
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Sekisui Chemical Co., Ltd.
3551
155
Dowa Electronics Materials Co., Ltd.
640
131
E. I. du Pont de Nemours and Company
3738
119
Dexerials Corporation
1983
115
Hitachi Chemical Company, Ltd.
2287
94
Murata Manufacturing Co., Ltd.
25398
94
Namics Corporation
472
77
Sumitomo Metal Mining Co., Ltd.
1922
76
Solar Paste, LLC
121
72
Tatsuta Electric Wire & Cable Co., Ltd.
417
62
FUJIFILM Corporation
30155
59
LG Chem, Ltd.
17786
49
Tanaka Kikinzoku Kogyo K.K.
573
46
Henkel AG & Co. KGaA
10710
45
Shoei Chemical Inc.
329
43
Mitsui Mining & Smelting Co., Ltd.
1388
39
Changzhou Fusion New Material Co., Ltd.
56
39
Toyobo Co., Ltd.
2504
38
Resonac Corporation
3148
35
Daicel Corporation
2450
33
Other owners 2465