Toshihiko Ogasawara

Title: Innovations by Toshihiko Ogasawara

Introduction

Toshihiko Ogasawara is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of liquid level sensing technology. His innovative approach has led to the development of a unique method and apparatus that enhances the reliability of liquid level detection.

Latest Patents

Ogasawara holds a patent for a "Method and apparatus for sensing liquid level." This invention includes a plurality of thermocouple elements formed by connecting two kinds of thermocouple wires alternately in series into multiple thermometric contacts. The two types of thermocouple wires possess different thermoelectric powers, denoted as SA and SB, and come in various predetermined lengths. This invention allows for high reliability in sensing the liquid level by converting electromotive forces from these thermocouple elements into binary signals, utilizing fewer thermocouple elements than conventional apparatuses. Additionally, the invention incorporates thermocouple elements for parity checks, enabling self-diagnosis of the sensed results to easily and securely inspect for operational errors due to disconnections or external noise.

Career Highlights

Throughout his career, Ogasawara has worked with esteemed organizations such as the Japan Atomic Energy Research Institute and Sukekawa Electric Co., Ltd. His experience in these institutions has contributed to his expertise in the field of thermocouple technology and liquid level sensing.

Collaborations

Ogasawara has collaborated with notable colleagues, including Katsuyuki Ara and Naoaki Wakayama. Their joint efforts have further advanced the research and development of innovative sensing technologies.

Conclusion

Toshihiko Ogasawara's contributions to liquid level sensing technology exemplify the impact of innovative thinking in engineering. His patented methods and collaborative efforts continue to influence advancements in this field.