G02F 1/3556
Semiconductor materials
Official title: {Semiconductor materials, e.g. quantum wells}
G02F1/3556 (Semiconductor materials) appears on 167 US grants and 142 published applications in this corpus.
Search patents in G02F- Granted patents
- 167
- Published applications
- 142
- Assignees
- 122
- Inventors
- 412
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 2 |
| 2002 | 2 | 9 |
| 2003 | 5 | 2 |
| 2004 | 9 | 7 |
| 2005 | 3 | 8 |
| 2006 | 9 | 4 |
| 2007 | 4 | 6 |
| 2008 | 5 | 5 |
| 2009 | 3 | 2 |
| 2010 | 3 | 5 |
| 2011 | 3 | 4 |
| 2012 | 0 | 2 |
| 2013 | 6 | 4 |
| 2014 | 3 | 3 |
| 2015 | 1 | 8 |
| 2016 | 5 | 4 |
| 2017 | 10 | 9 |
| 2018 | 5 | 7 |
| 2019 | 8 | 6 |
| 2020 | 4 | 3 |
| 2021 | 4 | 2 |
| 2022 | 7 | 4 |
| 2023 | 9 | 16 |
| 2024 | 5 | 6 |
| 2025 | 3 | 9 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of generating terahertz emission using an ink21 Jul 2026US 12,687,760 B2The University of Sussex
- Optical ring resonators6 Jan 2026US 12,517,414 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Reconfigurable all-optical activation functions having normalized output power17 Jun 2025US 12,332,539 B2Hewlett Packard Enterprise Development LP
- Electro-optic transducer with integrated optical delay line14 Jan 2025US 12,197,104 B2International Business Machines Corporation
- Optical parametric device based on random phase matching in polycrystalline medium14 Jan 2025US 12,199,397 B2Ipg Photonics Corporation
- Methods and Systems for Addressing Qubits in an Array for Quantum Computation13 Aug 2026US 2026/0236816 A1Atom Computing Inc.
- Optical Device30 Jul 2026US 2026/0219547 A1NTT, Inc.
- Tunable nonlinear photonic structure16 Apr 2026US 2026/0104622 A1City University of Hong Kong
- Optical Frequency Shifter19 Mar 2026US 2026/0079379 A1Lumos Infinitas USA Inc.
- Nonlinear optical crystal structure, preparation method thereof, and optical device29 Jan 2026US 2026/0029684 A1Peking University
Most cited
By later US patents
- Nanocomposite materials with engineered properties395US 6,710,366 B1UltraDots, Inc. · 2004
- Tunable microcavity and method of using nonlinear materials in a photonic crystal141US 6,058,127 AMassachusetts Institute of Technology · 2000
- Quantum dots, nanocomposite materials with quantum dots, devices with quantum dots, and related fabrication methods127US 7,005,669 B1UltraDots, Inc. · 2006
- Optical devices with engineered nonlinear nanocomposite materials126US 6,819,845 B2UltraDots, Inc. · 2004
- Optical antenna array for harmonic generation, mixing and signal amplification106US 6,038,060 A2000