H01S 5/2219
Absorbing
Official title: {absorbing}
H01S5/2219 (Absorbing) appears on 86 US grants and 62 published applications in this corpus.
Search patents in H01S- Granted patents
- 86
- Published applications
- 62
- Assignees
- 34
- Inventors
- 198
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 2 |
| 2002 | 5 | 2 |
| 2003 | 5 | 7 |
| 2004 | 3 | 4 |
| 2005 | 7 | 3 |
| 2006 | 4 | 5 |
| 2007 | 3 | 7 |
| 2008 | 4 | 4 |
| 2009 | 3 | 2 |
| 2010 | 2 | 3 |
| 2011 | 1 | 2 |
| 2012 | 1 | 0 |
| 2013 | 0 | 4 |
| 2014 | 2 | 1 |
| 2015 | 3 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 2 |
| 2018 | 0 | 0 |
| 2019 | 2 | 2 |
| 2020 | 2 | 1 |
| 2021 | 1 | 4 |
| 2022 | 1 | 1 |
| 2023 | 3 | 3 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Light emitting element15 Jul 2025US 12,362,540 B2Sony Corporation
- Optical device17 Sep 2024US 12,095,227 B2Nippon Telegraph and Telephone Corporation
- Light emitting element9 Jul 2024US 12,034,274 B2Sony Corporation
- Concentric cylindrical circumferential laser23 May 2023US 11,658,453 B2
- Semiconductor optical element, semiconductor optical integrated element, and method for manufacturing semiconductor optical element28 Mar 2023US 11,616,342 B2Mitsubishi Electric Corporation
- Light emitting element3 Oct 2024US 2024/0332903 A1Sony Corporation
- Semiconductor laser element14 Dec 2023US 2023/0402820 A1Panasonic Holdings Corporation
- Concentric cylindrical circumferential laser31 Aug 2023US 2023/0275391 A1
- Light emitting element29 Jun 2023US 2023/0208106 A1Sony Corporation
- Optical Device21 Jul 2022US 2022/0231480 A1Nippon Telegraph and Telephone Corporation
Most cited
By later US patents
- Semiconductor laser using gallium nitride series compound semiconductor76US 6,252,894 B1Kabushiki Kaisha Toshiba · 2001
- Semiconductor laser and method of fabricating same67US 6,031,858 AKabushiki Kaisha Toshiba · 2000
- Semiconductor laser device56US 4,961,197 AHitachi, Ltd. · 1990
- Nitride compound semiconductor laser and its manufacturing method45US 6,185,238 B2Kabushiki Kaisha Toshiba · 2001
- Gallium nitride type laser for emitting blue light31US 6,298,079 B1Rohm Co., Ltd. · 2001