This inventor holds 71 USPTO granted patents and 7 published patent applications and 8 EPO patents, primarily in Liquid Ejection Head (CPC class H01L). Top assignees: Canon Kabushiki Kaisha, International Business Machines Corporation, Kabushiki Kaisha Toshiba. Active years: 1981-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Inventors with similar research interests:
Location History:
- Tokyo, JP (1981 - 1989)
- Kawasaki, JP (2014 - 2021)
- Fukushima, JP (2017 - 2021)
- Kanagawa, JP (2009 - 2022)
- Yokohama, JP (1992 - 2023)
- Kanagawa-ken, JP (2008 - 2023)
Company Filing History:
32 out of 93,085 
22 out of 166,409 
9 out of 53,276 
Years Active: 1981-2026
Areas of Expertise:
Title: Innovator Keiji Matsumoto: A Pioneer in Wearable Technology
Introduction
Keiji Matsumoto, a prominent inventor residing in Yokohama, Japan, has made significant contributions to the field of wearable technology. With an impressive portfolio of 65 patents, he has focused on developing advanced biological sensors that enhance personal health monitoring and safety.
Latest Patents
Matsumoto's most recent innovations include a method for restoring a wearable biological sensor and an ear device for heat stroke detection. The restoration method involves a complex apparatus that uses a correct reference electrode, counter electrode, and chloride solution to determine and restore the functionality of a worn-out sensor. This process includes monitoring the voltage differential between electrodes, ensuring continuous operation of the wearable device.
Additionally, his ear device for predicting heat stroke utilizes an infrared temperature sensor, humidity sensors, and a sodium ion concentration sensor to track hydration levels and body temperature. This advanced earbud is designed to provide real-time data to users, allowing for timely interventions in heat-related emergencies.
Career Highlights
Throughout his career, Keiji Matsumoto has worked with prestigious companies such as Canon and IBM. His innovative spirit has led to the development of groundbreaking technologies that not only push the boundaries of engineering but also promote public health and safety.
Collaborations
Matsumoto has collaborated with notable professionals in the industry, including Kunihito Uohashi and Kazuhiro Asai. These partnerships have fostered an environment of creativity and innovation, allowing for the successful development of advanced technologies in wearable devices.
Conclusion
Keiji Matsumoto's contributions to wearable technology have positioned him as a leading figure in the field. With his extensive patent portfolio and emphasis on health monitoring, he continues to inspire new advancements that enhance the way individuals interact with technology for personal wellness. His work exemplifies the potential of innovation in improving quality of life through practical applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile