- All sections
- H - Electricity
- H01S - Devices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate lightdevices using stimulated emission of electromagnetic radiation in wave ranges other than optical
- H01S 5/0231 - Stems
Patent holdings for IPC class H01S 5/0231
Total number of patents in this class: 43
10-year publication summary
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1
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0
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0
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0
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10
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5
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10
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4
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9
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7
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 45962 |
18 |
| Rohm Co., Ltd. | 6428 |
3 |
| Shinko Electric Industries Co., Ltd. | 1208 |
3 |
| OSRAM OLED GmbH | 1779 |
3 |
| Kyocera Corporation | 13784 |
2 |
| CIG Photonics Japan Limited | 22 |
2 |
| Apple Inc. | 54658 |
1 |
| Sumitomo Electric Industries, Ltd. | 15428 |
1 |
| Cisco Technology, Inc. | 19860 |
1 |
| Infineon Technologies AG | 8213 |
1 |
| Nichia Corporation | 3693 |
1 |
| Excelitas Canada, Inc. | 94 |
1 |
| Hisense Broadband Multimedia Technologies Co., Ltd. | 449 |
1 |
| SCHOTT AG | 1716 |
1 |
| Jabil Inc. | 510 |
1 |
| Nuvoton Technology Corporation Japan | 597 |
1 |
| Sharp Fukuyama Laser Co., Ltd. | 181 |
1 |
| Q.S.I Co. LTD | 1 |
1 |
| Other owners | 0 |