Hisao Ishii

Title: Hisao Ishii: Innovator in Thermal Displacement Correction

Introduction

Hisao Ishii is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the field of machine tools. With a total of seven patents to his name, Ishii has developed innovative solutions that enhance the precision and efficiency of machining processes.

Latest Patents

His latest patents include an "Apparatus and method for thermal displacement correction for a machine tool." This invention monitors the position of a feed shaft, measuring its mean moving speed and frequency to determine a correction amount for position adjustments. The method allows for continuous thermal displacement correction without the need for sensors, improving machining accuracy and reducing time. Another notable patent is the "Thermal displacement correcting method of machine tool," which involves creating a heat distribution model to estimate thermal displacement errors in the driving system of a machine tool. This method also eliminates the need for detectors, showcasing Ishii's innovative approach to solving complex engineering challenges.

Career Highlights

Throughout his career, Ishii has worked with notable companies such as Fanuc Corporation and Ricoh Company, Ltd. His experience in these organizations has contributed to his expertise in machine tool technology and thermal displacement correction.

Collaborations

Ishii has collaborated with esteemed colleagues, including Yoshiyuki Nomura and Kanemasa Okuda. Their joint efforts have further advanced the field of machine tool innovation.

Conclusion

Hisao Ishii's work in thermal displacement correction has made a significant impact on the machining industry. His innovative patents and collaborations reflect his dedication to enhancing precision and efficiency in machine tools.