G01J 2001/4473
Phototransistor
Official title: {Phototransistor}
G01J2001/4473 (Phototransistor) appears on 59 US grants and 67 published applications in this corpus.
Search patents in G01J- Granted patents
- 59
- Published applications
- 67
- Assignees
- 49
- Inventors
- 160
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 3 |
| 2015 | 2 | 2 |
| 2016 | 1 | 3 |
| 2017 | 4 | 4 |
| 2018 | 4 | 4 |
| 2019 | 6 | 12 |
| 2020 | 11 | 10 |
| 2021 | 11 | 4 |
| 2022 | 3 | 6 |
| 2023 | 1 | 3 |
| 2024 | 7 | 6 |
| 2025 | 6 | 6 |
| 2026 | 2 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- All-optical epsilon-near-zero enabled streak camera22 Sep 2026US 12,742,677 B2Purdue Research Foundation
- Laser detector capable of detecting a laser signal according to a transient voltage fluctuation15 Sep 2026US 12,736,400 B2United Microelectronics Corp.
- Electronic device including sensing element18 Nov 2025US 12,474,205 B2Innolux Corporation
- Safety systems for battery-supplied fogging device30 Sep 2025US 12,431,314 B2Ur Fog S.R.L.
- Scalable photon number resolving photon detector24 Jun 2025US 12,339,163 B1Psiquantum, Corp.
- Photonic computing23 Apr 2026US 2026/0110574 A1Artilux, Inc.
- Display Substrate and Manufacturing Method Thereof, Display Panel, Display Apparatus, and Detection Method23 Apr 2026US 2026/0114045 A1Beijing Boe Display Technology Co., Ltd.
- Photonic computing13 Nov 2025US 2025/0347555 A1
- Photonic computing13 Nov 2025US 2025/0347556 A1Artilux, Inc.
- Light detecting devices with doped transfer gates and systems and methods for the same25 Sep 2025US 2025/0301808 A1Sony Semiconductor Solutions Corporation
Most cited
By later US patents
- Photodetector with superconductor nanowire transistor based on interlayer heat transfer49US 10,566,516 B2Psiquantum, Corp. · 2020
- Superconductor-based transistor49US 10,586,910 B2Psiquantum, Corp. · 2020
- Photoarray, particularly for combining sampled brightness sensing with asynchronous detection of time-dependent image data18US 9,631,974 B2UniversitäT ZüRich · 2017
- Optical sensing circuit having plural sensing components with current paths selectively established according to received colored light and display panel utilizing the same4US 10,175,098 B2Au Optronics Corporation · 2019
- Scalable photon number resolving photon detector4US 11,994,426 B1Psiquantum, Corp. · 2024