H01S 5/32308
Emitting light at a wavelength less than 900 nm
Official title: {emitting light at a wavelength less than 900 nm}
H01S5/32308 (Emitting light at a wavelength less than 900 nm) appears on 1,744 US grants and 1,515 published applications in this corpus.
Search patents in H01S- Granted patents
- 1,744
- Published applications
- 1,515
- Assignees
- 420
- Inventors
- 2,534
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 9 | 0 |
| 1988 | 12 | 0 |
| 1989 | 16 | 0 |
| 1990 | 15 | 0 |
| 1991 | 29 | 0 |
| 1992 | 24 | 0 |
| 1993 | 32 | 0 |
| 1994 | 33 | 0 |
| 1995 | 29 | 0 |
| 1996 | 29 | 0 |
| 1997 | 29 | 0 |
| 1998 | 48 | 0 |
| 1999 | 47 | 0 |
| 2000 | 43 | 0 |
| 2001 | 56 | 30 |
| 2002 | 53 | 75 |
| 2003 | 64 | 73 |
| 2004 | 70 | 92 |
| 2005 | 73 | 90 |
| 2006 | 64 | 71 |
| 2007 | 42 | 64 |
| 2008 | 47 | 68 |
| 2009 | 46 | 70 |
| 2010 | 76 | 71 |
| 2011 | 44 | 48 |
| 2012 | 59 | 48 |
| 2013 | 38 | 43 |
| 2014 | 44 | 33 |
| 2015 | 42 | 46 |
| 2016 | 41 | 45 |
| 2017 | 51 | 54 |
| 2018 | 46 | 62 |
| 2019 | 78 | 60 |
| 2020 | 61 | 71 |
| 2021 | 50 | 61 |
| 2022 | 40 | 57 |
| 2023 | 44 | 63 |
| 2024 | 45 | 54 |
| 2025 | 35 | 47 |
| 2026 | 20 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Light emitting device25 Aug 2026US 12,719,231 B2Nichia Corporation
- Light emitting device18 Aug 2026US 12,712,331 B2Nichia Corporation
- Control and localization of porosity in III-nitrides and methods of using and making thereof11 Aug 2026US 12,707,907 B2Yale University
- Optical device and method of manufacture4 Aug 2026US 12,701,720 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Red green blue laser module16 Jun 2026US 12,658,676 B2KYOCERA SLD Laser, Inc.
- Red green blue laser module8 Oct 2026US 2026/0312372 A1KYOCERA SLD Laser, Inc.
- Optoelectronic semiconductor component20 Aug 2026US 2026/0246233 A1ams-OSRAM International GmbH
- Surface emitting laser, method for fabricating surface emitting laser20 Aug 2026US 2026/0246239 A1Sanoh Industrial Co., Ltd.
- Semiconductor laser device and optical apparatus20 Aug 2026US 2026/0246240 A1Ushio Denki Kabushiki Kaisha
- Method for producing a semiconductor laser and semiconductor laser13 Aug 2026US 2026/0237959 A1ams-OSRAM International GmbH
Most cited
By later US patents
- Nitride semiconductor element and production method for nitride semiconductor element498US 6,818,465 B2Sony Corporation · 2004
- Integrated heterostructures of group III-V nitride semiconductor materials including epitaxial ohmic contact comprising multiple quantum well413US 6,046,464 ANorth Carolina State University · 2000
- Integrated heterostructures of Group III-V nitride semiconductor materials including epitaxial ohmic contact, non-nitride buffer layer and methods of fabricating same357US 5,679,965 ANorth Carolina State University · 1997
- Integrated heterostructures of Group III-V nitride semiconductor materials including epitaxial ohmic contact non-nitride buffer layer and methods of fabricating same351US 5,670,798 ANorth Carolina State University · 1997
- Light-emitting gallium nitride-based compound semiconductor device301US 5,578,839 ANichia Chemical Industries, Ltd. · 1996