H01S 5/0602
Which is an umpumped part of the active layer
Official title: {which is an umpumped part of the active layer}
H01S5/0602 (Which is an umpumped part of the active layer) appears on 65 US grants and 52 published applications in this corpus.
Search patents in H01S- Granted patents
- 65
- Published applications
- 52
- Assignees
- 42
- Inventors
- 151
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 2 |
| 2006 | 2 | 4 |
| 2007 | 3 | 2 |
| 2008 | 0 | 0 |
| 2009 | 2 | 1 |
| 2010 | 0 | 5 |
| 2011 | 4 | 2 |
| 2012 | 1 | 3 |
| 2013 | 3 | 4 |
| 2014 | 1 | 3 |
| 2015 | 5 | 2 |
| 2016 | 2 | 2 |
| 2017 | 3 | 2 |
| 2018 | 2 | 1 |
| 2019 | 0 | 0 |
| 2020 | 2 | 4 |
| 2021 | 1 | 4 |
| 2022 | 2 | 5 |
| 2023 | 3 | 3 |
| 2024 | 1 | 0 |
| 2025 | 4 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Semiconductor laser24 Jun 2025US 12,341,319 B2National Institute of Advanced Industrial Science and Technology
- Optical semiconductor module3 Jun 2025US 12,322,925 B2Sumitomo Electric Industries, Ltd.
- Broadened spectrum laser diode for display device7 Sep 2023US 2023/0283047 A1Microsoft Technology Licensing, LLC
- Tunable Laser Diode15 Jun 2023US 2023/0187903 A1Nippon Telegraph and Telephone Corporation
- Multi-octave spanning millimeter wave source with phase memory23 Mar 2023US 2023/0089039 A1Raytheon Company
- Semiconductor laser10 Nov 2022US 2022/0360044 A1National Institute of Advanced Industrial Science and Technology
- Multi-wavelength laser and wavelength control method9 Jun 2022US 2022/0181845 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- Optical modulator103US 7,313,291 B2Modulight Corporation · 2007
- Semiconductor optical waveguide device, optical control type optical switch, and wavelength conversion device89US 5,754,714 AKabushiki Kaisha Toshiba · 1998
- Dual polarization laser diode with quaternary material system64US 5,438,584 AXerox Corporation · 1995
- Multi-beam, orthogonally-polarized emitting monolithic quantum well lasers46US 5,412,678 AXerox Corporation · 1995
- Independently addressable semiconductor diode lasers with integral lowloss passive waveguides43US 5,287,376 AXerox Corporation · 1994