Shumpei Tatsumi

Title: Shumpei Tatsumi: Innovator in Liquid Ejection Technology

Introduction

Shumpei Tatsumi is a notable inventor based in Nagareyama, Japan. He has made significant contributions to the field of liquid ejection technology, holding a total of 4 patents. His work is primarily associated with Canon Kabushiki Kaisha, a leading company in imaging and printing solutions.

Latest Patents

One of Tatsumi's latest patents is a piezoelectric liquid ejection device with electrodes formed on partition wall surfaces. This innovative device includes a piezoelectric transducer that features multiple pressure chambers and partitions that divide these chambers. Each partition is designed with a first side wall and a second side wall, with electrodes strategically placed to enhance functionality. The design ensures that the second electrode is positioned higher than the first, optimizing the device's performance.

Another significant patent involves a reflection mirror and optical equipment utilizing the same technology. This reflection mirror consists of an underlaying layer, a reflection layer, and a protective layer, all built upon a resin substrate. The reflection layer is made of a silver film, while the underlaying and protective layers incorporate titanium oxide and aluminum oxide films, ensuring durability and efficiency in optical applications.

Career Highlights

Throughout his career, Shumpei Tatsumi has been instrumental in advancing technologies that enhance liquid ejection systems. His work at Canon Kabushiki Kaisha has positioned him as a key player in the development of innovative imaging solutions. His patents reflect a deep understanding of both the technical and practical aspects of liquid ejection technology.

Collaborations

Tatsumi has collaborated with several talented individuals in his field, including Mitsuharu Sawamura and Koji Kitani. These collaborations have fostered an environment of innovation and creativity, leading to the development of cutting-edge technologies.

Conclusion

Shumpei Tatsumi's contributions to liquid ejection technology and optical equipment have made a lasting impact in his field. His innovative patents and collaborative efforts continue to drive advancements in imaging solutions.