G01R 15/242
Based on the pockels effect, i.e. linear electro-optic effect
Official title: {based on the Pockels effect, i.e. linear electro-optic effect}
G01R15/242 (Based on the pockels effect, i.e. linear electro-optic effect) appears on 117 US grants and 50 published applications in this corpus.
Search patents in G01R- Granted patents
- 117
- Published applications
- 50
- Assignees
- 71
- Inventors
- 222
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 10 | 0 |
| 1991 | 10 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 3 |
| 2004 | 0 | 2 |
| 2005 | 4 | 1 |
| 2006 | 2 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 1 | 2 |
| 2012 | 3 | 0 |
| 2013 | 0 | 3 |
| 2014 | 1 | 3 |
| 2015 | 1 | 1 |
| 2016 | 3 | 2 |
| 2017 | 2 | 2 |
| 2018 | 3 | 7 |
| 2019 | 4 | 2 |
| 2020 | 5 | 3 |
| 2021 | 4 | 0 |
| 2022 | 3 | 2 |
| 2023 | 1 | 5 |
| 2024 | 2 | 3 |
| 2025 | 3 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Electric field sensor15 Oct 2024US 12,117,475 B2Hosei University
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- Method and structure to incorporate multiple low loss photonic circuit components19 Mar 2026US 2026/0079185 A1Psiquantum, Corp.
- Optical voltage sensing systems and electro-optic crystal assemblies11 Sep 2025US 2025/0283920 A1
- A temperature stable optical pockels electric field sensor and methods thereof11 Sep 2025US 2025/0283921 A1Micatu Inc.
- Devices and methods for an electro-optic dual crystal voltage sensor31 Oct 2024US 2024/0361361 A1Micatu Inc.
- Electrical voltage measuring device using an microelectromechanical system and optical interferometer interaction4 Jul 2024US 2024/0219431 A1
Most cited
By later US patents
- Measurement of electrical signals with subpicosecond resolution87US 4,618,819 AUniversity of Rochester · 1986
- Measurement of electrical signals with picosecond resolution74US 4,446,425 AUniversity of Rochester · 1984
- Voltage detecting device40US 5,034,683 AHamamatsu Photonics K.K. · 1991
- Electro-optical voltage measurement device33US 4,269,483 ASiemens Aktiengesellschaft · 1981
- Voltage mapping device having fast time resolution33US 4,906,922 AHamamatsu Photonics K.K. · 1990