H01S 3/094092
Upconversion pumping
Official title: {Upconversion pumping}
H01S3/094092 (Upconversion pumping) appears on 91 US grants and 55 published applications in this corpus.
Search patents in H01S- Granted patents
- 91
- Published applications
- 55
- Assignees
- 66
- Inventors
- 203
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 8 | 0 |
| 1997 | 6 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 3 |
| 2003 | 3 | 7 |
| 2004 | 3 | 7 |
| 2005 | 0 | 5 |
| 2006 | 8 | 4 |
| 2007 | 4 | 3 |
| 2008 | 1 | 3 |
| 2009 | 2 | 2 |
| 2010 | 2 | 3 |
| 2011 | 2 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 2 |
| 2015 | 4 | 2 |
| 2016 | 1 | 3 |
| 2017 | 3 | 2 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical device and light-emitting device10 Mar 2026US 12,573,812 B2Hamamatsu Photonics K.K.
- Electro-optic transducer with integrated optical delay line14 Jan 2025US 12,197,104 B2International Business Machines Corporation
- Laser16 Jan 2024US 11,876,340 B2Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences
- Continuous-wave terahertz generation via optically pumped rydberg states1 Dec 2020US 10,852,620 B2National University of Singapore
- Mid-infrared cascading fiber amplifier and method for amplification thereof25 Dec 2018US 10,164,399 B2Baylor University
- Electro-optic transducer with integrated optical delay line13 Jun 2024US 2024/0195512 A1International Business Machines Corporation
- Optical device and light-emitting device22 Jun 2023US 2023/0198224 A1Hamamatsu Photonics K.K.
- Laser11 Aug 2022US 2022/0255289 A1Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences
- Continuous-wave terahertz generation via optically pumped rydberg states7 Nov 2019US 2019/0339586 A1National University of Singapore
- A mid-infrared cascading fiber amplifier and method for amplification thereof26 Apr 2018US 2018/0115135 A1Baylor University
Most cited
By later US patents
- Manganese doped upconversion luminescence nanoparticles136US 7,008,559 B2Nomadics, Inc. · 2006
- Selectively triggered, high contrast laser87US 5,541,947 AThe Regents of the University of Michigan · 1996
- Narrow bandwidth laser array system80US 5,386,426 AHughes Aircraft Company · 1995
- Double-clad upconversion fiber laser74US 5,530,709 ASDL, Inc. · 1996
- Upconversion fiber laser63US 5,677,920 ASDL, Inc. · 1997