H01S 5/02476
Heat spreaders, i.e. improving heat flow between laser chip and heat dissipating
Official title: {Heat spreaders, i.e. improving heat flow between laser chip and heat dissipating elements}
H01S5/02476 (Heat spreaders, i.e. improving heat flow between laser chip and heat dissipating) appears on 741 US grants and 848 published applications in this corpus.
Search patents in H01S- Granted patents
- 741
- Published applications
- 848
- Assignees
- 329
- Inventors
- 1,764
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 9 | 0 |
| 1999 | 6 | 0 |
| 2000 | 12 | 0 |
| 2001 | 8 | 5 |
| 2002 | 11 | 18 |
| 2003 | 11 | 25 |
| 2004 | 17 | 17 |
| 2005 | 11 | 29 |
| 2006 | 19 | 23 |
| 2007 | 15 | 30 |
| 2008 | 15 | 30 |
| 2009 | 21 | 33 |
| 2010 | 26 | 20 |
| 2011 | 16 | 35 |
| 2012 | 27 | 22 |
| 2013 | 25 | 30 |
| 2014 | 33 | 30 |
| 2015 | 30 | 24 |
| 2016 | 30 | 32 |
| 2017 | 29 | 30 |
| 2018 | 23 | 54 |
| 2019 | 48 | 34 |
| 2020 | 48 | 66 |
| 2021 | 37 | 57 |
| 2022 | 36 | 53 |
| 2023 | 37 | 59 |
| 2024 | 44 | 43 |
| 2025 | 33 | 24 |
| 2026 | 18 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Corrosion resistant heatsink method, system, and apparatus22 Sep 2026US 12,744,358 B2nLIGHT, Inc.
- Quantum cascade laser element, quantum cascade laser device, and method for manufacturing quantum cascade laser element25 Aug 2026US 12,719,240 B2Hamamatsu Photonics K.K.
- Laser device28 Jul 2026US 12,695,269 B2Hisense Laser Display Co., Ltd
- Red green blue laser module16 Jun 2026US 12,658,676 B2KYOCERA SLD Laser, Inc.
- Light source device and method of manufacturing same12 May 2026US 12,627,116 B2Nichia Corporation
- Red green blue laser module8 Oct 2026US 2026/0312372 A1KYOCERA SLD Laser, Inc.
- Heat Transfer Apparatus with Multi-Directional Heat Flow24 Sep 2026US 2026/0291169 A1Energetiq Technology, Inc.
- Light-emitting apparatus and method of assembling light-emitting apparatus13 Aug 2026US 2026/0239791 A1Stanley Electric Co., Ltd.
- Surface-emitting laser element6 Aug 2026US 2026/0229839 A1Kyoto University
- Laser diode based systems, subsystems and methods with temperature control6 Aug 2026US 2026/0229840 A1Elbit Systems Electro-Optics Elop Ltd.
Most cited
By later US patents
- Optical illuminator129US 8,675,706 B2Princeton Optronics, Inc. · 2014
- Method of manufacturing a nitride semiconductor laser with a plated auxiliary metal substrate126US 6,677,173 B2Pioneer Corporation · 2004
- High fluence diode laser device and method for the fabrication and use thereof102US 5,743,901 AStar Medical Technologies, Inc. · 1998
- Bright diode-laser light-source99US 6,229,831 B1Coherent, Inc. · 2001
- Method for making cooling structures for directly cooling an active layer of a semiconductor chip93US 5,376,587 AInternational Business Machines Corporation · 1994