Optex Co., Ltd.
Shiga, JP· latest recorded location
OPTEX CO., LTD. is named on 137 US grants and 103 published applications in this corpus. Its most frequent classification is G08B (Signalling systems).
- Granted patents
- 137
- Published applications
- 103
- Inventors
- 123
- Granted in 2026 so far
- 3
- Most recent grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 5 |
| 2003 | 1 | 8 |
| 2004 | 13 | 11 |
| 2005 | 9 | 11 |
| 2006 | 13 | 3 |
| 2007 | 13 | 2 |
| 2008 | 0 | 2 |
| 2009 | 4 | 4 |
| 2010 | 3 | 0 |
| 2011 | 4 | 3 |
| 2012 | 0 | 4 |
| 2013 | 5 | 8 |
| 2014 | 10 | 9 |
| 2015 | 8 | 8 |
| 2016 | 3 | 2 |
| 2017 | 5 | 3 |
| 2018 | 5 | 1 |
| 2019 | 3 | 3 |
| 2020 | 1 | 1 |
| 2021 | 1 | 3 |
| 2022 | 3 | 0 |
| 2023 | 2 | 3 |
| 2024 | 1 | 3 |
| 2025 | 5 | 2 |
| 2026 | 3 | 4 |
By publication year. 2026 runs to 8 Oct.
Technology areas
Share of 240 documents
- G08BSignalling systems113
- G01SRadio direction-finding66
- G01VGeophysics44
- E05FDevices for moving wings into open or closed position38
- E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements27
- G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of18
- G01NInvestigating or analysing materials by determining their chemical or physical properties11
- G07CTime or attendance registers11
- Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10
- Y02EClean energy generation and storage7
Recent patents
- Automatic door system6 Oct 2026US 12,753,650 B2
- Object detector22 Sep 2026US D1,148,565 S1Design
- Object detector28 Apr 2026US D1,123,661 S1Design
- Human body detector4 Nov 2025US D1,100,687 S1Design
- Human body detector28 Oct 2025US D1,099,719 S1Design
- Monitoring device and program for monitoring device10 Sep 2026US 2026/0268676 A1
- Vehicle detection sensor and vehicle detection sensor program20 Aug 2026US 2026/0243881 A1
- Security sensor unit, security sensor unit control method, control program, and recording medium23 Jul 2026US 2026/0211105 A1
- Scan sensor15 Jan 2026US 2026/0016596 A1
- Sensing sensor6 Feb 2025US 2025/0044415 A1
Most cited
By later US patents
- Electronic security system225US 5,689,235 A1997
- Security sensor having disturbance detecting capability84US 6,469,625 B12002
- Door sensor and door equipped with such door sensor57US 6,970,085 B22005
- Sensor for automatic doors54US 6,756,910 B22004
- Passive-type infrared sensor system for detecting human body53US 5,703,368 A1997