G02B 30/36
Using refractive optical elements
Official title: using refractive optical elements, e.g. prisms, in the optical path between the images and the observer
G02B30/36 (Using refractive optical elements) appears on 216 US grants and 262 published applications in this corpus.
Search patents in G02B- Granted patents
- 216
- Published applications
- 262
- Assignees
- 157
- Inventors
- 542
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 1 |
| 2004 | 2 | 3 |
| 2005 | 4 | 5 |
| 2006 | 1 | 5 |
| 2007 | 2 | 4 |
| 2008 | 2 | 2 |
| 2009 | 2 | 6 |
| 2010 | 1 | 7 |
| 2011 | 1 | 20 |
| 2012 | 4 | 22 |
| 2013 | 10 | 10 |
| 2014 | 14 | 21 |
| 2015 | 16 | 14 |
| 2016 | 17 | 19 |
| 2017 | 19 | 23 |
| 2018 | 11 | 18 |
| 2019 | 17 | 18 |
| 2020 | 17 | 10 |
| 2021 | 15 | 10 |
| 2022 | 4 | 16 |
| 2023 | 12 | 7 |
| 2024 | 16 | 7 |
| 2025 | 8 | 8 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Eyebox adjustment for interpupillary distance275US 8,638,498 B22014
- Optical stereoscopic system and prism window194US 4,772,094 ABright & Morning Star Company · 1988
- Directional flat illuminators129US 9,519,153 B2RealD Inc. · 2016
- Multiview 3D wrist watch109US 9,298,168 B2Leia Inc. · 2016
- Multiview display screen and multiview mobile device using same72US 9,785,119 B2Leia Inc. · 2017