G21B 1/23
Optical systems
Official title: Optical systems, e.g. for irradiating targets, for heating plasma or for plasma diagnostics
G21B1/23 (Optical systems) appears on 134 US grants and 128 published applications in this corpus.
Search patents in G21B- Granted patents
- 134
- Published applications
- 128
- Assignees
- 88
- Inventors
- 324
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 7 | 0 |
| 1980 | 5 | 0 |
| 1981 | 7 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 2 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 6 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 5 |
| 2013 | 2 | 4 |
| 2014 | 1 | 3 |
| 2015 | 5 | 6 |
| 2016 | 3 | 3 |
| 2017 | 3 | 7 |
| 2018 | 3 | 10 |
| 2019 | 5 | 9 |
| 2020 | 7 | 6 |
| 2021 | 3 | 4 |
| 2022 | 5 | 3 |
| 2023 | 4 | 7 |
| 2024 | 3 | 15 |
| 2025 | 4 | 15 |
| 2026 | 4 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Direct laser fusion system15 Sep 2026US 12,738,384 B2Blue Laser Fusion, Inc.
- Fuel pellet configured with internal reflection for an inertial fusion reaction7 Apr 2026US 12,597,527 B1Blue Laser Fusion, Inc.
- Single laser synchronized light source for fusion system and method for energy generation7 Apr 2026US 12,597,528 B1Blue Laser Fusion, Inc.
- Quench protection in high-temperature superconducting magnets24 Feb 2026US 12,562,298 B2Tokamak Energy Ltd
- Synchronized light source for laser fusion system and method for energy generation12 Aug 2025US 12,387,853 B1Blue Laser Fusion, Inc.
- Inertial fusion energy generation systems and methods20 Aug 2026US 2026/0245749 A1
- Device for the implementation of accelerated ion-based nuclear fusion reactions13 Aug 2026US 2026/0237529 A1
- Device for the implementation of accelerated ion-based nuclear fusion reactions13 Aug 2026US 2026/0237531 A1
- Direct laser fusion system6 Aug 2026US 2026/0229373 A1Blue Laser Fusion, Inc.
- Single laser synchronized light source for fusion system and method for energy generation16 Jul 2026US 2026/0204440 A1Blue Laser Fusion, Inc.
Most cited
By later US patents
- Photoelectric enhanced plasma glow discharge system and method including radiation means514US 4,664,769 AInternational Business Machines Corporation · 1987
- Laser beam plasma pinch X-ray system81US 4,504,964 AEaton Corporation · 1985
- Tokamak plasma heating with intense, pulsed ion beams71US 4,548,782 AThe United States of America as represented by the Secretary of the Navy · 1985
- Process for the production of nanoparticles70US 5,585,020 A1996
- Wave mode converter67US 4,175,830 A1979