Masao Tomisawa

Title: Masao Tomisawa: Innovator in Hydraulic Control and Machining Technology

Introduction

Masao Tomisawa is a notable inventor based in Hyogo, Japan. He has made significant contributions to the fields of hydraulic control systems and electric discharge machining. With a total of 3 patents to his name, Tomisawa's work reflects a commitment to innovation and technological advancement.

Latest Patents

One of Tomisawa's latest patents is an "Apparatus for controlling a hydraulic elevator." This invention focuses on controlling the car of a hydraulic elevator by variable-speed-driving an electric motor that is directly coupled to a hydraulic pump. The apparatus includes a speed controller, multiple detectors for monitoring speed and pressure, and a feedback circuit designed to limit vibration of the elevator car. This innovative approach enhances the efficiency and stability of hydraulic elevator systems.

Another significant patent is the "Wire cut electric discharge machining apparatus." This apparatus features a tension applying device for the wire electrode, an instruction signal generating device, and a speed detecting device. The system allows for high-accuracy control of the wire electrode's tension, improving the precision of machining processes. The comparison circuitry and instruction value correcting device work together to ensure optimal performance.

Career Highlights

Throughout his career, Masao Tomisawa has worked with prominent companies, including Mitsubishi Denki Kabushiki Kaisha and Mitsubishi Denki K.K. His experience in these organizations has contributed to his expertise in developing advanced technological solutions.

Collaborations

Tomisawa has collaborated with notable colleagues such as Hiroaki Morishita and Takehiko Kubota. These partnerships have likely fostered an environment of innovation and creativity, leading to the development of groundbreaking technologies.

Conclusion

Masao Tomisawa's contributions to hydraulic control and machining technology exemplify his dedication to innovation. His patents not only enhance existing technologies but also pave the way for future advancements in these fields.