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For the Inventor, By the Inventor

Otsu, Japan

Masatoshi Tsuji

This inventor holds 13 USPTO granted patents and 1 EPO patent. Top assignee: Optex Co., Inc.. Active years: 2005-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masatoshi Tsuji. Retrieved from https://idiyas.com/inventor/masatoshi-tsuji

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 13


Average Co-Inventor Count = 1.1

ph-index = 6

Forward Citations = 84(Granted Patents)


Location History:

  • Ohtsu, JP (2005 - 2006)
  • Otsu, JP (2006 - 2011)

Company Filing History:

goldMedal13 out of 134 
 
Optex Co., Inc.
 patents

Years Active: 2005-2011

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13 patents (USPTO):Explore Patents
1. 8013309 - Microwave sensor capable of preventing false alarms due to a bush or tree or the like swaying in the wind (2011-09-06),
2. 7760088 - Intrusion detection sensor (2010-07-20),
3. 7256376 - Microwave sensor and mutual interference preventing system between microwave sensors (2007-08-14),
4. 7176829 - Microwave sensor (2007-02-13),
5. 7167008 - Microwave sensor for object detection based on reflected microwaves (2007-01-23),
6. 7119737 - Microwave sensor (2006-10-10),
7. 7079030 - Microwave sensor (2006-07-18),
8. 7079029 - Dual-frequency microwave sensor (2006-07-18),
9. 7058529 - Microwave sensor system (2006-06-06),
10. 7026931 - Microwave sensor (2006-04-11),
11. 7026601 - Sensor system, and sensor apparatus and reception apparatus used in the sensor system (2006-04-11),
12. 6992577 - Combined sensor (2006-01-31),
13. 6842113 - Microwave sensor (2005-01-11),

Title: The Innovative Mind of Masatoshi Tsuji

Introduction

Masatoshi Tsuji is a prominent inventor based in Ohtsu, Japan. He has made significant contributions to the field of sensor technology, holding a total of 13 patents. His work focuses on enhancing the reliability and functionality of microwave sensors, particularly in preventing false alarms.

Latest Patents

Among his latest innovations is a microwave sensor capable of preventing false alarms caused by environmental factors, such as bushes or trees swaying in the wind. This invention includes a movement distance measuring device that calculates changes in distance to a detected object over time. It features an alarm signal output control device that activates an alarm when the measured movement distance exceeds a predetermined threshold. Additionally, a determination threshold value varying device adjusts this threshold based on the movement distance over specified periods. Another notable patent is an intrusion detection sensor that utilizes a microwave sensor to monitor a detection area. This sensor transmits microwaves, receives reflected signals, and determines the presence of objects based on the intensity of these signals.

Career Highlights

Masatoshi Tsuji has dedicated his career to advancing sensor technology at Optex Co., Inc. His innovative designs have significantly improved the accuracy and reliability of detection systems. His work has been instrumental in developing solutions that address common challenges in the field.

Collaborations

Throughout his career, Tsuji has collaborated with talented individuals such as Michinori Noguchi and Cholmin Seo. These partnerships have fostered a creative environment that has led to groundbreaking advancements in sensor technology.

Conclusion

Masatoshi Tsuji's contributions to the field of sensor technology exemplify his innovative spirit and dedication to improving safety and reliability. His patents reflect a deep understanding of the challenges faced in this domain, and his work continues to influence the industry.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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