- All sections
- G - Physics
- G08B - Signalling or calling systemsorder telegraphsalarm systems
- G08B 13/181 - Actuation by interference with heat, light, or radiation of shorter wavelengthActuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
Patent holdings for IPC class G08B 13/181
Total number of patents in this class: 114
10-year publication summary
|
12
|
9
|
9
|
9
|
6
|
12
|
9
|
14
|
3
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Optex Co., Ltd. | 175 |
8 |
| Konica Minolta, Inc. | 8729 |
5 |
| Motorola Solutions, Inc. | 4400 |
5 |
| Essence Security International (E.S.I) LTD. | 86 |
5 |
| Robert Bosch GmbH | 42689 |
3 |
| Mitsubishi Electric Corporation | 46093 |
3 |
| Samsung Electronics Co., Ltd. | 146092 |
2 |
| Denso Corporation | 24282 |
2 |
| Hyundai Motor Company | 21987 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 31375 |
2 |
| 01WIRING S.R.L. | 8 |
2 |
| Sensormatic Electronics, LLC | 854 |
2 |
| Essence Smartcare Ltd. | 42 |
2 |
| Sony Corporation | 31052 |
1 |
| International Business Machines Corporation | 61228 |
1 |
| NEC Corporation | 35652 |
1 |
| Panasonic Corporation | 20110 |
1 |
| Hitachi Kokusai Electric Inc. | 879 |
1 |
| Denso Wave Incorporated | 392 |
1 |
| Koninklijke Philips Electronics N.V. | 9658 |
1 |
| Other owners | 64 |