Masaru Shimizu

Title: Masaru Shimizu: Innovator in Discharge Lamp Technology

Introduction

Masaru Shimizu is a notable inventor based in Kamakura, Japan. He has made significant contributions to the field of lighting technology, particularly in the development of discharge lamp lighting devices. With a total of 5 patents to his name, Shimizu's work has had a lasting impact on the industry.

Latest Patents

One of Shimizu's latest patents is a discharge lamp lighting device that enables minute control of the lighting sequence and electric power of high-pressure discharge lamps. This device incorporates a microcomputer that allows for various anti-error protecting functions. The microcomputer processes data according to programs recorded on a ROM, which can be updated to modify the settings of the discharge lamp. Another significant patent involves a projection type image display apparatus that computes a target current for the discharge lamp. This innovation generates a pulse control signal to superpose a pulse current, ensuring that the power supplied to the lamp remains constant.

Career Highlights

Throughout his career, Masaru Shimizu has worked with prominent companies such as Hitachi Media Electronics Co., Ltd. and Hitachi, Ltd. His experience in these organizations has contributed to his expertise in lighting technology and innovation.

Collaborations

Shimizu has collaborated with notable colleagues, including Fumio Haruna and Kouji Kitou. Their combined efforts have further advanced the development of lighting technologies.

Conclusion

Masaru Shimizu's contributions to discharge lamp technology exemplify his innovative spirit and dedication to advancing the field. His patents reflect a commitment to improving lighting devices through technology and collaboration.