G03H 2250/36
Conform enhancement layer
G03H2250/36 (Conform enhancement layer) appears on 126 US grants and 107 published applications in this corpus.
Search patents in G03H- Granted patents
- 126
- Published applications
- 107
- Assignees
- 69
- Inventors
- 255
- Latest grant
- 30 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 7 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 7 | 2 |
| 2003 | 0 | 4 |
| 2004 | 3 | 14 |
| 2005 | 7 | 11 |
| 2006 | 5 | 7 |
| 2007 | 4 | 6 |
| 2008 | 1 | 3 |
| 2009 | 2 | 6 |
| 2010 | 5 | 9 |
| 2011 | 5 | 11 |
| 2012 | 5 | 3 |
| 2013 | 5 | 5 |
| 2014 | 7 | 4 |
| 2015 | 4 | 4 |
| 2016 | 3 | 2 |
| 2017 | 2 | 3 |
| 2018 | 3 | 4 |
| 2019 | 2 | 4 |
| 2020 | 3 | 4 |
| 2021 | 1 | 0 |
| 2022 | 3 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Hologram, detection device, and method for verifying authenticity of hologram30 May 2023US 11,662,689 B2Toppan Printing Co., Ltd.
- Optical film28 Jun 2022US 11,373,344 B2Toppan Printing Co., Ltd.
- Surface functionalized titanium dioxide nanoparticles15 Mar 2022US 11,274,219 B2BASF SE
- Optical structure and authentication body15 Feb 2022US 11,247,505 B2Toppan Printing Co., Ltd.
- Method of metallising optical elements comprising surface relief structures8 Jun 2021US 11,029,647 B2Stensborg A/S
- Hologram, detection device, and method for verifying authenticity of hologram12 Nov 2020US 2020/0356048 A1Toppan Printing Co., Ltd.
- Security element with pattern and double-sided holographic effect27 Aug 2020US 2020/0272097 A1Fedrigoni S.P.A.
- Surface functionalized titanium dioxide nanoparticles28 May 2020US 2020/0165471 A1BASF SE
- Optical structure and authentication body21 May 2020US 2020/0156399 A1Toppan Printing Co., Ltd.
- Optical film12 Sep 2019US 2019/0279403 A1Toppan Printing Co., Ltd.
Most cited
By later US patents
- Transparent reflection-type340US 4,856,857 ADai Nippon Insatsu Kabushiki Kaisha · 1989
- Holograms with discontinuous metallization including alpha-numeric shapes216US 5,142,383 AAmerican Banknote Holographics, Inc. · 1992
- Information-recorded media and methods for reading the information159US 5,856,048 ADai Nippon Printing Co.Ltd. · 1999
- Non-continuous holograms, methods of making them and articles incorporating them127US 5,128,779 AAmerican Banknote Holographics, Inc. · 1992
- Method of enhancing the visibility of diffraction pattern surface embossment106US 5,629,068 AAvery Dennison Corporation · 1997