Location History:
- Amagasaki, JP (1998)
- Tokyo, JP (2002 - 2004)
Company Filing History:
Years Active: 1998-2004
Title: Hiroshi Ohji: Innovator in Electrochemical Etching and Pressure Sensing
Introduction
Hiroshi Ohji is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the fields of electrochemical etching and pressure sensing. With a total of 6 patents to his name, Ohji continues to push the boundaries of innovation in his industry.
Latest Patents
One of his latest patents is a method and apparatus for radiation-assisted electrochemical etching. This innovative etching system includes an etching bath designed to hold an n-type silicon substrate. The system features an electrode positioned in hydrofluoric acid, a power source, and an illumination unit that enhances the etching process. The illumination unit is capable of illuminating the second surface of the silicon substrate with an intensity of 10 mW/cm or more, allowing for the formation of pores and trenches of specific sizes and shapes across a substrate diameter of more than three inches.
Another notable patent is a pressure sensor that incorporates a first diaphragm to receive pressure. This sensor includes two thermal detection sections, one for pressure measurement and another for reference output. The design ensures accurate pressure measurement, even in the face of sudden atmospheric temperature changes.
Career Highlights
Hiroshi Ohji is currently employed at Mitsubishi Electric Corporation, where he applies his expertise in developing advanced technologies. His work has significantly impacted the efficiency and accuracy of various electronic devices.
Collaborations
Ohji has collaborated with notable colleagues, including Kazuhiko Tsutsumi and Naoki Yutani. Their combined efforts have led to advancements in their respective fields, further enhancing the innovative landscape of technology.
Conclusion
Hiroshi Ohji stands out as a key figure in the realm of innovation, particularly in electrochemical etching and pressure sensing technologies. His contributions continue to shape the future of these fields, demonstrating the importance of inventive minds in driving progress.