G02F 1/015
Based on semiconductor elements having potential barriers
Official title: based on semiconductor elements having potential barriers, e.g. having a PN or PIN junction (G02F1/03 takes precedence)
G02F1/015 (Based on semiconductor elements having potential barriers) appears on 2,631 US grants and 2,573 published applications in this corpus.
Search patents in G02F- Granted patents
- 2,631
- Published applications
- 2,573
- Assignees
- 762
- Inventors
- 4,370
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 15 | 0 |
| 1989 | 28 | 0 |
| 1990 | 22 | 0 |
| 1991 | 29 | 0 |
| 1992 | 38 | 0 |
| 1993 | 23 | 0 |
| 1994 | 29 | 0 |
| 1995 | 30 | 0 |
| 1996 | 49 | 0 |
| 1997 | 25 | 0 |
| 1998 | 38 | 0 |
| 1999 | 29 | 0 |
| 2000 | 24 | 0 |
| 2001 | 34 | 8 |
| 2002 | 37 | 53 |
| 2003 | 52 | 98 |
| 2004 | 66 | 78 |
| 2005 | 61 | 99 |
| 2006 | 91 | 57 |
| 2007 | 49 | 53 |
| 2008 | 51 | 46 |
| 2009 | 52 | 62 |
| 2010 | 61 | 58 |
| 2011 | 45 | 61 |
| 2012 | 41 | 55 |
| 2013 | 72 | 61 |
| 2014 | 55 | 70 |
| 2015 | 85 | 109 |
| 2016 | 116 | 126 |
| 2017 | 142 | 133 |
| 2018 | 124 | 140 |
| 2019 | 130 | 188 |
| 2020 | 145 | 152 |
| 2021 | 147 | 156 |
| 2022 | 127 | 143 |
| 2023 | 107 | 136 |
| 2024 | 129 | 154 |
| 2025 | 110 | 146 |
| 2026 | 86 | 131 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Self-adjusted automatic bias control of an electro-absorption modulator15 Sep 2026US 12,736,838 B2ARRIS Enterprises LLC
- Optical waveguide device, and optical modulation device and optical transmission apparatus using same8 Sep 2026US 12,730,336 B2Sumitomo Osaka Cement Co., Ltd.
- Method and system for a vertical junction high-speed phase modulator8 Sep 2026US 12,730,348 B2Cisco Technology, Inc.
- Photonic silicon-insulator-silicon modulator and methods for forming the same1 Sep 2026US 12,724,196 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Optical modulators and photonic integrated systems1 Sep 2026US 12,724,297 B2Shanghai Xizhi Technology Co., Ltd.
- High angled photodiode with a refractive-index-modifying region8 Oct 2026US 2026/0310011 A1
- Waveguide structure and method for forming the same8 Oct 2026US 2026/0310012 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Semiconductor photonics device and methods of formation8 Oct 2026US 2026/0310013 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Integrated photodetector with embedded semiconductor region8 Oct 2026US 2026/0310014 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Optical semiconductor device, semiconductor element, and method for manufacturing optical semiconductor device1 Oct 2026US 2026/0299325 A1Sumitomo Electric Device Innovations, Inc.
Most cited
By later US patents
- Nanocomposite materials with engineered properties395US 6,710,366 B1UltraDots, Inc. · 2004
- Optical fibre with quantum dots341US 5,881,200 ABritish Telecommunications Public Ltd.Co. · 1999
- Controllable surface filter264US 5,619,366 ATexas Instruments Incorporated · 1997
- Elecronically tunable optical periodic surface filters with an alterable resonant frequency262US 5,619,365 ATexas Instruments Incorporated · 1997
- Display apparatus, backplane and mold for making backplane bracket253US 10,531,579 B2Shenzhen China Star Optoelectronics Technology Co., Ltd. · 2020