Location History:
- Kariya, JA (1976)
- Kariya, JP (1987)
- Tsushima, JP (1980 - 2005)
Company Filing History:
21 out of 3,252 
10 out of 19,733 
1 out of 1,139 
Years Active: 1976-2005
Title: Innovations by Naoto Miwa: Pioneering Patents in Gas Sensing Technology
Introduction
Naoto Miwa, an accomplished inventor based in Tsushima, Japan, has made significant contributions to the field of gas sensing technology. With a remarkable portfolio of 32 patents, Miwa has demonstrated his expertise and creativity in developing innovative solutions for measuring gas concentrations.
Latest Patents
Among his latest inventions is the **Oxygen Concentration Detector**, which features a sensor element made of solid electrolyte. This cutting-edge detector includes both external and internal electrodes, along with a heater located near the sensor's internal surface. A high-emissivity layer is provided to enhance performance on the internal surface and/or the heater's surface.
Another notable patent is the **Composite Gas Sensor**, which integrates multiple components such as a pump cell, NOx sensor cell, and oxygen sensor cell. The NOx sensor cell connects to a first ammeter and a constant power source for accurate NOx concentration readings. Meanwhile, the pump cell, connected to a second ammeter and a variable power source, measures the air-fuel ratio of sample gases. The oxygen sensor cell works in conjunction with a voltmeter, and a controller adjusts the variable power source to maintain a constant output from the voltmeter.
Career Highlights
Miwa has worked with prominent companies in the automotive and technology sectors, including Nippondenso Co., Ltd. and Denso Corporation. His experience in these reputed organizations has allowed him to refine his technical skills and innovate in gas sensor technologies, aiding in advancements that impact various industries.
Collaborations
Throughout his career, Naoto Miwa has collaborated with outstanding professionals such as Hiromi Sano and Hitoshi Niwa. Their joint efforts have likely fostered an environment of creativity and innovation, leading to the development of ground-breaking technologies.
Conclusion
Naoto Miwa continues to be a key player in the field of gas sensing technology through his inventions and collaborations. His patents reflect a dedication to enhancing detection methods, contributing significantly to advancements in environmental monitoring and safety. As he progresses in his career, Miwa's innovative spirit promises to deliver even more groundbreaking solutions in the future.