H01S 5/04
Processes or apparatus for excitation
Official title: Processes or apparatus for excitation, e.g. pumping, {e.g. by electron beams}(H01S5/06 takes precedence)
H01S5/04 (Processes or apparatus for excitation) appears on 5,501 US grants and 5,952 published applications in this corpus.
Search patents in H01S- Granted patents
- 5,501
- Published applications
- 5,952
- Assignees
- 1,494
- Inventors
- 9,064
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 8 | 0 |
| 1983 | 11 | 0 |
| 1984 | 11 | 0 |
| 1985 | 12 | 0 |
| 1986 | 14 | 0 |
| 1987 | 12 | 0 |
| 1988 | 29 | 0 |
| 1989 | 43 | 0 |
| 1990 | 31 | 0 |
| 1991 | 40 | 0 |
| 1992 | 41 | 0 |
| 1993 | 45 | 0 |
| 1994 | 62 | 0 |
| 1995 | 57 | 0 |
| 1996 | 57 | 0 |
| 1997 | 60 | 0 |
| 1998 | 85 | 0 |
| 1999 | 77 | 0 |
| 2000 | 86 | 0 |
| 2001 | 81 | 41 |
| 2002 | 99 | 184 |
| 2003 | 153 | 181 |
| 2004 | 201 | 255 |
| 2005 | 138 | 251 |
| 2006 | 181 | 205 |
| 2007 | 133 | 239 |
| 2008 | 152 | 191 |
| 2009 | 180 | 205 |
| 2010 | 202 | 176 |
| 2011 | 174 | 168 |
| 2012 | 139 | 146 |
| 2013 | 144 | 120 |
| 2014 | 156 | 135 |
| 2015 | 164 | 156 |
| 2016 | 141 | 153 |
| 2017 | 152 | 209 |
| 2018 | 193 | 235 |
| 2019 | 258 | 307 |
| 2020 | 253 | 384 |
| 2021 | 254 | 411 |
| 2022 | 220 | 403 |
| 2023 | 235 | 371 |
| 2024 | 290 | 338 |
| 2025 | 236 | 276 |
| 2026 | 170 | 212 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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