Location History:
- Kadoma, JP (1984)
- Neyagawa, JP (2005)
Company Filing History:
Years Active: 1984-2005
Title: Shigeo Akiyama: Innovator in Semiconductor and Gas Detection Technologies
Introduction
Shigeo Akiyama is a notable inventor based in Kadoma, Japan. He has made significant contributions to the fields of semiconductor devices and gas detection technologies. With a total of 3 patents to his name, Akiyama's work has had a considerable impact on enhancing safety and efficiency in various applications.
Latest Patents
Akiyama's latest patents include a semiconductor device with protective functions. This innovative device is designed to be inserted between a power source and a load. It controls the current flowing between an external drain terminal and an external source terminal based on a control voltage applied between the external gate terminal and the external source terminal. The device features a main MOSFET and a detecting MOSFET, along with a protective circuit that safeguards the main MOSFET by utilizing a protective transistor when an abnormality is detected.
Another significant patent is for a gas detector that improves the reliability of detecting fuel gas leaks, such as hydrogen, methane, and butane. This gas detector includes a main gas sensing element that shows a change in resistance to target gases, as well as an auxiliary gas sensing element that responds more to non-target gases. The design incorporates comparators and a gate circuit to effectively manage alarm signals, ensuring timely alerts in case of gas leaks.
Career Highlights
Shigeo Akiyama is currently employed at Matsushita Electric Works, Ltd., a company known for its commitment to innovation and quality in electronic products. His work at this esteemed organization has allowed him to develop and refine his inventions, contributing to advancements in technology.
Collaborations
Akiyama has collaborated with notable coworkers, including Shigekazu Kusanagi and Tohru Nobutani. These partnerships have fostered a creative environment that encourages the exchange of ideas and expertise, further enhancing the quality of their innovations.
Conclusion
Shigeo Akiyama's contributions to semiconductor and gas detection technologies exemplify the spirit of innovation. His patents not only reflect his technical expertise but also his commitment to improving safety and efficiency in various applications. Akiyama's work continues to inspire future advancements in these critical fields.