G02B 27/4266
Diffraction theory
Official title: {Diffraction theory; Mathematical models}
G02B27/4266 (Diffraction theory) appears on 38 US grants and 47 published applications in this corpus.
Search patents in G02B- Granted patents
- 38
- Published applications
- 47
- Assignees
- 39
- Inventors
- 98
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 3 |
| 2012 | 1 | 4 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 3 |
| 2016 | 2 | 5 |
| 2017 | 5 | 4 |
| 2018 | 5 | 2 |
| 2019 | 3 | 5 |
| 2020 | 2 | 3 |
| 2021 | 4 | 1 |
| 2022 | 1 | 1 |
| 2023 | 3 | 5 |
| 2024 | 0 | 1 |
| 2025 | 4 | 2 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Imaging system and method for imaging objects with reduced image blur4 Nov 2025US 12,462,353 B2Ramot at Tel-Aviv University Ltd.
- Method of conical anisotropic rigorous coupled wave analysis for grating and computing device3 Jun 2025US 12,320,989 B2Goertek Inc.
- Diffractive optical device providing structured light13 May 2025US 12,298,530 B2Viavi Solutions Inc.
- Method for measuring the diameter of filament diffraction fringes by calculating the frequency domain14 Jan 2025US 12,196,540 B2Zhejiang University of Technology
- Method for designing diffractive optical element, diffractive optical element, and system for designing diffractive optical element24 Oct 2023US 11,796,795 B2Jiaxing Uphoton Optoelectronics Technology Co., Ltd.
- Diffractive optical device providing structured light11 Jun 2026US 2026/0161006 A1Viavi Solutions Inc.
- Light guide device and electronic device including the same30 Apr 2026US 2026/0118673 A1LG Innotek Co., Ltd.
- Binary, fourier domain-synthesized gratings for multiple wavelength reflectors19 Feb 2026US 2026/0050177 A1Quintessent Inc.
- Imaging system and method for imaging objects with reduced image blur5 Feb 2026US 2026/0038099 A1Ramot at Tel-Aviv University Ltd.
- Light guide member comprising diffraction pattern10 Jul 2025US 2025/0224547 A1LG Innotek Co., Ltd.
Most cited
By later US patents
- Optical field propagation between tilted or offset planes96US 5,982,954 AUniversity Technology Corporation · 1999
- Optical systems employing stepped diffractive surfaces42US 6,462,874 B1KSM Associates, Inc. · 2002
- Optical systems employing stepped diffractive surfaces20US 6,262,844 B1KSM Associates, Inc. · 2001
- Optical designs for zero order reduction18US 8,630,039 B2Primesense Ltd. · 2014
- Method for producing mold for minute pattern transfer, method for producing diffraction grating using the same, and method for producing organic EL element including the diffraction grating10US 9,291,754 B2Jx Nippon Oil & Energy Corporation · 2016