G02B 5/0247
By means of voids or pores
Official title: {by means of voids or pores}
G02B5/0247 (By means of voids or pores) appears on 218 US grants and 288 published applications in this corpus.
Search patents in G02B- Granted patents
- 218
- Published applications
- 288
- Assignees
- 147
- Inventors
- 712
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 10 |
| 2004 | 2 | 8 |
| 2005 | 7 | 5 |
| 2006 | 4 | 15 |
| 2007 | 4 | 8 |
| 2008 | 3 | 13 |
| 2009 | 4 | 15 |
| 2010 | 8 | 9 |
| 2011 | 5 | 5 |
| 2012 | 1 | 8 |
| 2013 | 6 | 15 |
| 2014 | 5 | 16 |
| 2015 | 12 | 16 |
| 2016 | 18 | 26 |
| 2017 | 16 | 23 |
| 2018 | 10 | 10 |
| 2019 | 18 | 23 |
| 2020 | 18 | 7 |
| 2021 | 13 | 18 |
| 2022 | 13 | 12 |
| 2023 | 9 | 7 |
| 2024 | 7 | 14 |
| 2025 | 11 | 3 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Progressive frost in a luminaire8 Sep 2026US 12,729,831 B2Robe Lighting s.r.o.
- Brightness enhancement film1 Sep 2026US 12,724,180 B2National Chung Hsing University
- Dispersion array and method of fabricating10 Mar 2026US 12,571,946 B2California Institute of Technology
- Chromatic sunshade cladding unit27 Jan 2026US 12,534,957 B2CoeLux S.r.l.
- Optical devices comprising microlenses and laser-fabricated patterns or structures, their manufacture and use30 Dec 2025US 12,510,695 B2Bank of Canada
- Progressive frost in a luminaire1 Jan 2026US 2026/0002655 A1Robe Lighting s.r.o.
- Phosphor device18 Dec 2025US 2025/0382223 A1Panasonic Intellectual Property Management Co., Ltd.
- Optical film, and polarizing plate, surface plate, image display panel and image display device using the optical film, and method for producing the optical film, and method for selecting optical film, and evaluation method of finger print wiping property15 May 2025US 2025/0155605 A1Dai Nippon Printing Co.Ltd.
- Brightness enhancement film23 Jan 2025US 2025/0028096 A1National Chung Hsing University
- Diffusion member, stacked body, diffusion member set, led backlight, and displaying apparatus19 Dec 2024US 2024/0418341 A1Dai Nippon Printing Co.Ltd.
Most cited
By later US patents
- Light diffuser with variable diffusion224US 6,846,098 B2Eastman Kodak Company · 2005
- Light mixer and backlight module having the same65US 7,654,687 B2Chi Lin Technology Co., Ltd. · 2010
- Voided polymer film containing layered particulates59US 6,958,860 B2Eastman Kodak Company · 2005
- Light scattering light guide and applied optical apparatuses49US 5,542,017 A1996
- Diffuse reflective articles49US 5,976,686 A3M Innovative Properties Company · 1999