- All sections
- G - Physics
- G08B - Signalling or calling systems; order telegraphs; alarm systems
- G08B 13/181 - Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation 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: 112
10-year publication summary
|
6
|
12
|
9
|
9
|
9
|
6
|
12
|
9
|
13
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Optex Co., Ltd. | 165 |
7 |
| Konica Minolta, Inc. | 8349 |
5 |
| Motorola Solutions, Inc. | 4355 |
5 |
| Essence Security International (E.S.I) LTD. | 72 |
5 |
| Robert Bosch GmbH | 40953 |
3 |
| Mitsubishi Electric Corporation | 43934 |
3 |
| Samsung Electronics Co., Ltd. | 131630 |
2 |
| Denso Corporation | 23338 |
2 |
| Hyundai Motor Company | 19021 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
2 |
| 01WIRING S.R.L. | 8 |
2 |
| Sensormatic Electronics, LLC | 911 |
2 |
| Johnson Controls Tyco IP Holdings LLP | 1584 |
2 |
| Sony Corporation | 32931 |
1 |
| International Business Machines Corporation | 60644 |
1 |
| Panasonic Corporation | 20786 |
1 |
| Hitachi Kokusai Electric Inc. | 1070 |
1 |
| Denso Wave Incorporated | 365 |
1 |
| Koninklijke Philips Electronics N.V. | 13133 |
1 |
| Nitto Denko Corporation | 7879 |
1 |
| Other owners | 63 |