- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 1/18 - Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
Patent holdings for IPC class H04M 1/18
Total number of patents in this class: 952
10-year publication summary
|
129
|
127
|
136
|
164
|
168
|
71
|
93
|
59
|
53
|
14
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 131630 |
88 |
| Apple Inc. | 50209 |
69 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
51 |
| Otter Products, LLC | 868 |
45 |
| LG Electronics Inc. | 69257 |
28 |
| Huawei Technologies Co., Ltd. | 100781 |
28 |
| Samsung Display Co., Ltd. | 30585 |
22 |
| Kyocera Corporation | 12735 |
20 |
| National Products, Inc. | 123 |
12 |
| Advanced Access Technologies LLC | 36 |
12 |
| Honor Device Co., Ltd. | 3469 |
11 |
| Amogreentech Co., Ltd. | 566 |
10 |
| Micro Mobio Corporation | 50 |
10 |
| Google Technology Holdings LLC | 2658 |
9 |
| Zagg Incorporated | 128 |
9 |
| NEC Corporation | 32703 |
8 |
| Corning Incorporated | 9932 |
8 |
| Vivo Mobile Communication Co., Ltd. | 9833 |
8 |
| Nitto Denko Corporation | 7879 |
7 |
| ZTE Corporation | 39218 |
7 |
| Other owners | 490 |