Inventor
TSUJI MASATOSHI
JP22 patents
⚠️ This page may combine multiple inventors who share the name “TSUJI MASATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OPTEX CO LTD
13 patentsUS7119737B2Oct 10, 2006
Microwave sensor
OPTEX CO LTD17 citations83
US7079030B2Jul 18, 2006
Microwave sensor
OPTEX CO LTD16 citations83
US7079029B2Jul 18, 2006
Dual-frequency microwave sensor
OPTEX CO LTD18 citations83
US6992577B2Jan 31, 2006
Combined sensor
OPTEX CO LTD17 citations82
US7256376B2Aug 14, 2007
Microwave sensor and mutual interference preventing system between microwave sensors
OPTEX CO LTD8 citations73
US7167008B2Jan 23, 2007
Microwave sensor for object detection based on reflected microwaves
OPTEX CO LTD9 citations73
US6842113B2Jan 11, 2005
Microwave sensor
OPTEX CO LTD10 citations73
US8013309B2Sep 6, 2011
Microwave sensor capable of preventing false alarms due to a bush or tree or the like swaying in the wind
OPTEX CO LTD2 citations62
US7760088B2Jul 20, 2010
Intrusion detection sensor
OPTEX CO LTD6 citations62
US7176829B2Feb 13, 2007
Microwave sensor
OPTEX CO LTD6 citations62
US7026931B2Apr 11, 2006
Microwave sensor
OPTEX CO LTD3 citations62
US7026601B2Apr 11, 2006
Sensor system, and sensor apparatus and reception apparatus used in the sensor system
OPTEX CO LTD4 citations62
US7058529B2Jun 6, 2006
Microwave sensor system
OPTEX CO LTD0 citations41
DENSO CORP
6 patentsUS12153241B2Nov 26, 2024
Optical member
DENSO CORP3 citations74
US12523819B2Jan 13, 2026
Optical member
DENSO CORP0 citations62
US12546960B2Feb 10, 2026
Optical device
DENSO CORP0 citations52
US12399327B2Aug 26, 2025
Optical member and blind spot assistance device using the same
DENSO CORP0 citations52
US12422611B2Sep 23, 2025
Optical member
DENSO CORP0 citations51
US12140740B2Nov 12, 2024
Optical device for introducing light from outdoor view
DENSO CORP0 citations48