- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 9/00 - Arrangements for interconnection not involving centralised switching
Patent holdings for IPC class H04M 9/00
Total number of patents in this class: 690
10-year publication summary
|
29
|
40
|
29
|
34
|
43
|
28
|
15
|
11
|
8
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aiphone Co., Ltd. | 71 |
25 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
24 |
| Malikie Innovations Limited | 7703 |
19 |
| Hewlett-Packard Development Company, L.P. | 28538 |
17 |
| Konica Minolta, Inc. | 8349 |
17 |
| Samsung Electronics Co., Ltd. | 131630 |
16 |
| NEC Platforms, Ltd. | 1106 |
16 |
| Arlington Technologies, LLC | 642 |
13 |
| Panasonic Corporation | 20786 |
11 |
| Cisco Technology, Inc. | 18858 |
10 |
| Apple Inc. | 50209 |
8 |
| Nokia Technologies Oy | 15057 |
8 |
| Avago Technologies International Sales Pte. Limited | 9260 |
8 |
| Mitsubishi Electric Corporation | 43934 |
7 |
| Amazon Technologies, Inc. | 24422 |
7 |
| Nippon Telegraph and Telephone West Corporation | 25 |
7 |
| Nippon Telegraph And Telephone East Corporation | 25 |
7 |
| CenturyLink Intellectual Property LLC | 1130 |
7 |
| CommScope Technologies LLC | 4937 |
7 |
| Qualcomm Incorporated | 76576 |
6 |
| Other owners | 450 |