G02B 5/128
Transparent spheres being embedded in matrix
Official title: transparent spheres being embedded in matrix
G02B5/128 (Transparent spheres being embedded in matrix) appears on 468 US grants and 344 published applications in this corpus.
Search patents in G02B- Granted patents
- 468
- Published applications
- 344
- Assignees
- 158
- Inventors
- 810
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 7 | 0 |
| 1978 | 10 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 16 | 0 |
| 1988 | 7 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 11 | 0 |
| 1992 | 6 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 20 | 0 |
| 1998 | 19 | 0 |
| 1999 | 22 | 0 |
| 2000 | 15 | 0 |
| 2001 | 10 | 5 |
| 2002 | 16 | 15 |
| 2003 | 16 | 28 |
| 2004 | 10 | 8 |
| 2005 | 11 | 11 |
| 2006 | 5 | 18 |
| 2007 | 10 | 11 |
| 2008 | 5 | 16 |
| 2009 | 7 | 15 |
| 2010 | 7 | 13 |
| 2011 | 12 | 20 |
| 2012 | 7 | 11 |
| 2013 | 11 | 11 |
| 2014 | 12 | 15 |
| 2015 | 13 | 13 |
| 2016 | 8 | 15 |
| 2017 | 12 | 20 |
| 2018 | 11 | 19 |
| 2019 | 18 | 9 |
| 2020 | 14 | 25 |
| 2021 | 6 | 13 |
| 2022 | 16 | 16 |
| 2023 | 8 | 4 |
| 2024 | 8 | 4 |
| 2025 | 10 | 7 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Retroreflective piping sheet for vehicle interior decoration and manufacturing method thereof28 Jul 2026US 12,691,834 B2Hj Corp.
- System and method for 3-D projection and enhancements for interactivity3 Feb 2026US 12,542,890 B2VoxelSensors SRL
- Retro-reflective disc target having exposed retro-reflective beads16 Dec 2025US 12,498,509 B2Northern Digital Inc.
- Devices using glass bows21 Oct 2025US 12,449,573 B2
- Article including light valves2 Sep 2025US 12,405,506 B2Viavi Solutions Inc.
- Retroreflective article27 Aug 2026US 2026/0251827 A13M Innovative Properties Company
- Retro-reflective disc target having exposed retro-reflective beads19 Mar 2026US 2026/0079288 A1Northern Digital Inc.
- Colorized retroreflective material and method of manufacture25 Dec 2025US 2025/0389875 A1
- Textured retro-reflective marker27 Nov 2025US 2025/0362436 A1Northern Digital Inc.
- Retroreflective article21 Aug 2025US 2025/0264645 A13M Innovative Properties Company
Most cited
By later US patents
- Cellular retroreflective sheeting390US 4,025,159 AMinnesota Mining and Manufacturing Company · 1977
- Sheeting with composite image that floats145US 6,288,842 B13M Innovative Properties Company · 2001
- Retroreflective sheeting with retroreflective markings134US 4,082,426 AMinnesota Mining and Manufacturing Company · 1978
- Cellular encapsulated-lens high whiteness retroreflective sheeting with flexible cover sheet134US 5,066,098 AMinnesota Mining and Manufacturing Company · 1991
- Retroreflective sheet with enhanced brightness125US 4,763,985 AMinnesota Mining and Manufacturing Company · 1988