G08G 1/04
Using optical or ultrasonic detectors
Official title: using optical or ultrasonic detectors
G08G1/04 (Using optical or ultrasonic detectors) appears on 2,045 US grants and 2,660 published applications in this corpus.
Search patents in G08G- Granted patents
- 2,045
- Published applications
- 2,660
- Assignees
- 880
- Inventors
- 5,161
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 0 | 0 |
| 1994 | 10 | 0 |
| 1995 | 11 | 0 |
| 1996 | 14 | 0 |
| 1997 | 7 | 0 |
| 1998 | 20 | 0 |
| 1999 | 20 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 5 |
| 2002 | 11 | 12 |
| 2003 | 12 | 9 |
| 2004 | 6 | 16 |
| 2005 | 8 | 12 |
| 2006 | 9 | 15 |
| 2007 | 4 | 7 |
| 2008 | 9 | 19 |
| 2009 | 7 | 23 |
| 2010 | 12 | 30 |
| 2011 | 16 | 26 |
| 2012 | 26 | 37 |
| 2013 | 17 | 45 |
| 2014 | 31 | 62 |
| 2015 | 57 | 65 |
| 2016 | 48 | 84 |
| 2017 | 75 | 129 |
| 2018 | 107 | 212 |
| 2019 | 183 | 251 |
| 2020 | 180 | 262 |
| 2021 | 206 | 263 |
| 2022 | 199 | 262 |
| 2023 | 192 | 232 |
| 2024 | 182 | 214 |
| 2025 | 210 | 239 |
| 2026 | 115 | 129 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods of sensor data fusion6 Oct 2026US 12,754,977 B2Digital Global Systems, Inc.
- Object presence detection system, object presence detection method and computer readable medium6 Oct 2026US 12,755,628 B2NEC Corporation
- Method for creating an environment model for a service area6 Oct 2026US 12,755,629 B2Robert Bosch GmbH
- Systems and methods of sensor data fusion29 Sep 2026US 12,748,823 B2Digital Global Systems, Inc.
- Notification system29 Sep 2026US 12,749,402 B2Stanley Electric Co., Ltd.
- Monitoring system and monitoring method1 Oct 2026US 2026/0301562 A1NEC Corporation
- Systems and methods for enhancing control of vehicles in merging senarios24 Sep 2026US 2026/0285361 A1Honda Motor Co., Ltd.
- Lane identification system, lane identification device, and lane identification method24 Sep 2026US 2026/0290158 A1NEC Corporation
- Method for the identification, triaging, and alerting of traffic anomalies at intersections17 Sep 2026US 2026/0279194 A1
- Method of controlling traffic flow and detecting traffic rule violations and system performing the same17 Sep 2026US 2026/0279197 A1
Most cited
By later US patents
- Vehicle monitoring system483US 5,809,161 ACommonwealth Scientific and Industrial Research Organisation · 1998
- Vehicle lane position detection system469US 5,351,044 ARockwell International Corporation · 1994
- Vehicle detection through image processing for traffic surveillance and control452US 4,847,772 ARegents of the University of Minnesota · 1989
- Intelligent vehicle highway system multi-lane sensor and method297US 5,793,491 ASchwartz Electro-Optics, Inc. · 1998
- Traffic violation processing system295US 5,948,038 AAmerican Traffic Systems, Inc. · 1999