H01S 3/1636
Al2o3
Official title: {Al2O3 (Sapphire)}
H01S3/1636 (Al2o3) appears on 185 US grants and 190 published applications in this corpus.
Search patents in H01S- Granted patents
- 185
- Published applications
- 190
- Assignees
- 127
- Inventors
- 415
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 2 |
| 2002 | 1 | 9 |
| 2003 | 6 | 4 |
| 2004 | 5 | 2 |
| 2005 | 6 | 6 |
| 2006 | 5 | 6 |
| 2007 | 1 | 6 |
| 2008 | 3 | 1 |
| 2009 | 9 | 8 |
| 2010 | 1 | 5 |
| 2011 | 8 | 6 |
| 2012 | 3 | 9 |
| 2013 | 5 | 6 |
| 2014 | 10 | 15 |
| 2015 | 10 | 12 |
| 2016 | 12 | 5 |
| 2017 | 8 | 12 |
| 2018 | 8 | 14 |
| 2019 | 14 | 14 |
| 2020 | 11 | 10 |
| 2021 | 8 | 9 |
| 2022 | 8 | 11 |
| 2023 | 4 | 9 |
| 2024 | 8 | 3 |
| 2025 | 8 | 4 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Two-dimensional electronic sum-frequency generation apparatus and methods28 Apr 2026US 12,613,447 B2Honda Motor Co., Ltd.
- Ultrafast electric pulse generation and detection device and use method thereof5 Aug 2025US 12,381,543 B2Beihang University
- Pulse shaping device and pulse shaping method22 Jul 2025US 12,368,275 B2National Institutes for Quantum Science and Technology
- Chip-integrated mode-locked lasers based on thin-film nonlinear waveguides22 Jul 2025US 12,368,278 B2California Institute of Technology
- Devices and methods for carrier envelope phase stabilization of ultrashort amplifier systems8 Jul 2025US 12,355,203 B2Newport Corporation
- Fpga-based control system and method for ti:sapphire laser7 May 2026US 2026/0128563 A1Shanxi University
- Laser and optical apparatus including the same5 Mar 2026US 2026/0066609 A1Electronics and Telecommunications Research Institute
- Chip-integrated mode-locked lasers based on thin-film nonlinear waveguides27 Nov 2025US 2025/0364772 A1California Institute of Technology
- Sapphire optical waveguide based gain medium20 Nov 2025US 2025/0357717 A1Oxford University Innovation Limited
- Two-dimensional electronic sum-frequency generation apparatus and methods14 Aug 2025US 2025/0258420 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Slab laser and amplifier and method of use118US 9,525,262 B22016
- Optical sources having a strongly scattering gain medium providing laser-like action97US 5,448,582 ABrown University Research Foundation · 1995
- Illuminating device and microscope91US 6,611,643 B2Leica Microsystems Heidelberg GmbH · 2003
- Optical sources having a strongly scattering gain medium providing laser-like action83US 5,625,456 ABrown University Research Foundation · 1997
- Solid-state laser system for ultra-violet micro-lithography50US 5,940,418 AJMAR Technology Co. · 1999