G02F 1/217
Multimode interference type
Official title: {Multimode interference type}
G02F1/217 (Multimode interference type) appears on 115 US grants and 128 published applications in this corpus.
Search patents in G02F- Granted patents
- 115
- Published applications
- 128
- Assignees
- 81
- Inventors
- 304
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 3 |
| 2003 | 5 | 12 |
| 2004 | 7 | 8 |
| 2005 | 5 | 10 |
| 2006 | 7 | 6 |
| 2007 | 9 | 5 |
| 2008 | 7 | 1 |
| 2009 | 2 | 3 |
| 2010 | 0 | 1 |
| 2011 | 2 | 1 |
| 2012 | 0 | 3 |
| 2013 | 1 | 3 |
| 2014 | 4 | 6 |
| 2015 | 9 | 6 |
| 2016 | 9 | 6 |
| 2017 | 3 | 5 |
| 2018 | 2 | 4 |
| 2019 | 3 | 5 |
| 2020 | 4 | 4 |
| 2021 | 1 | 2 |
| 2022 | 2 | 7 |
| 2023 | 4 | 9 |
| 2024 | 10 | 6 |
| 2025 | 3 | 5 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical power adjustment system and optical power adjustment apparatus16 Jun 2026US 12,659,038 B2Huawei Technologies Co., Ltd.
- Semiconductor optical integrated device and optical integrated apparatus2 Jun 2026US 12,645,128 B2Mitsubishi Electric Corporation
- Managing optical nonlinearities and optical mode sorting19 May 2026US 12,631,939 B1SensorQ Technologies Inc.
- Photodetector with split inputs5 May 2026US 12,619,120 B2Cisco Technology, Inc.
- Power splitters including a tunable multimode interference coupler5 May 2026US 12,619,121 B2GLOBALFOUNDRIES U. S. Inc.
- Photodetector with split inputs13 Aug 2026US 2026/0235919 A1Cisco Technology, Inc.
- Absorber or scatter assisted variable optical attenuator30 Jul 2026US 2026/0219544 A1Cisco Technology, Inc.
- Dielectric waveguide-based multi-mode interference coupler and interferometer23 Jul 2026US 2026/0211186 A1Silith Technology Pte. Ltd.
- Optical switch with multimode phase shifter16 Jul 2026US 2026/0202618 A1Cisco Technology, Inc.
- Optical switch and light steering system including the optical switch4 Jun 2026US 2026/0153777 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Nanocomposite materials with engineered properties395US 6,710,366 B1UltraDots, Inc. · 2004
- Optical devices with engineered nonlinear nanocomposite materials126US 6,819,845 B2UltraDots, Inc. · 2004
- Bistable element99US 8,774,572 B2Kyushu University, National University Corporation · 2014
- Methods of forming quantum dots of Group IV semiconductor materials92US 6,794,265 B2UltraDots, Inc. · 2004
- Optical devices with engineered nonlinear nanocomposite materials63US 7,020,372 B2UltraDots, Inc. · 2006