G02F 1/3612
Heterocycles having n as heteroatom
Official title: {Heterocycles having N as heteroatom}
G02F1/3612 (Heterocycles having n as heteroatom) appears on 146 US grants and 81 published applications in this corpus.
Search patents in G02F- Granted patents
- 146
- Published applications
- 81
- Assignees
- 73
- Inventors
- 290
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 11 | 0 |
| 1992 | 12 | 0 |
| 1993 | 8 | 0 |
| 1994 | 7 | 0 |
| 1995 | 9 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 1 |
| 2003 | 4 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 5 |
| 2006 | 3 | 3 |
| 2007 | 4 | 4 |
| 2008 | 2 | 6 |
| 2009 | 1 | 2 |
| 2010 | 2 | 2 |
| 2011 | 7 | 2 |
| 2012 | 2 | 3 |
| 2013 | 2 | 2 |
| 2014 | 2 | 4 |
| 2015 | 2 | 3 |
| 2016 | 2 | 3 |
| 2017 | 2 | 3 |
| 2018 | 2 | 2 |
| 2019 | 2 | 2 |
| 2020 | 1 | 2 |
| 2021 | 2 | 3 |
| 2022 | 2 | 0 |
| 2023 | 1 | 6 |
| 2024 | 5 | 5 |
| 2025 | 6 | 5 |
| 2026 | 2 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Non-linear optical materials containing high boiling point solvents, and methods of efficiently poling the same25 Aug 2026US 12,716,024 B2Lightwave Logic, Inc.
- Nonlinear optical chromophores having short-chain bridge structures, low optical loss materials containing the same, and methods for preparing the same3 Mar 2026US 12,565,587 B2Lightwave Logic, Inc.
- Nonlinear optical chromophores having a diamondoid group attached thereto, methods of preparing the same, and uses thereof16 Dec 2025US 12,498,617 B2Lightwave Logic, Inc.
- Hydrogels with biodegradable crosslinking25 Nov 2025US 12,478,680 B2ProLynx LLC
- Molecular aggregate for optically-pumped nonreciprocal exciton devices6 May 2025US 12,292,668 B2Boise State University
- Nonlinear Optical Chromophores Containing Donors with Substituents Giving High Steric Hinderance, and Methods of Making and Using the Same9 Apr 2026US 2026/0098206 A1Lightwave Logic, Inc.
- Nonlinear Optical Chromophores Containing 3-Aminocyclohex-2-en-1-one Based Donor Groups, and Methods of Making and Using the Same9 Apr 2026US 2026/0099078 A1Lightwave Logic, Inc.
- Nonlinear Optical Chromophores with Increased Visible Light Transparency, and Methods of Making and Using the Same9 Apr 2026US 2026/0099079 A1Lightwave Logic, Inc.
- Chromophores with New Ring-Locked Donors that Increase r33 and Stability26 Mar 2026US 2026/0085189 A1Lightwave Logic, Inc.
- Chromophores with New Acceptors that Increase Refractive Index26 Mar 2026US 2026/0085190 A1Lightwave Logic, Inc.
Most cited
By later US patents
- Optical coupling device and process for modulating light66US 5,845,025 AThe Trustees of the University of Pennsylvania · 1998
- Electro-optical materials and light modulator devices containing same48US 5,186,865 AAllied-Signal Inc. · 1993
- Electro-optical materials and light modulator devices containing same44US 5,061,404 AAllied-Signal Inc. · 1991
- Sterically stabilized polyene-bridged second-order nonlinear optical chromophores and devices incorporating the same39US 6,348,992 B1Pacific Wave Industries, Inc. · 2002
- Tetraketone porphyrin monomers and the porphyrin-based polymers thereof34US 5,091,502 AGeneral Petrochemical Industries, Limited · 1992