H01J 61/94
Paths producing light of different wavelengths
Official title: Paths producing light of different wavelengths, e.g. for simulating daylight
H01J61/94 (Paths producing light of different wavelengths) appears on 29 US grants and 21 published applications in this corpus.
Search patents in H01J- Granted patents
- 29
- Published applications
- 21
- Assignees
- 23
- Inventors
- 70
- Latest grant
- 6 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 2 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 3 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 2 | 6 |
| 2023 | 2 | 2 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
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Most cited
By later US patents
- Tricolor fluorescent lamp195US 4,625,152 AMatsushita Electric Works, Ltd. · 1986
- Low-pressure mercury discharge lamp with color temperature adjustment126US 5,677,598 AU. S. Philips Corporation · 1997
- Low pressure arc discharge light source unit26US 4,743,799 AGTE Products Corporation · 1988
- Colored fluorescent lamp assembly15US 4,665,341 AMatsushita Electric Works, Ltd. · 1987
- Flat light source device for illumination use15US 6,152,569 AStanley Electric Co., Ltd. · 2000