Tooru Tsukahara

Title: Tooru Tsukahara: Innovator in Ink-Jet Technology

Introduction

Tooru Tsukahara is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of ink-jet technology, particularly through his innovative patent related to nozzle plate production.

Latest Patents

Tooru Tsukahara holds a patent for a "Method for apparatus for producing a nozzle plate of an ink-jet head printer." This invention involves a method and apparatus where a metallic sheet material is punched to form nozzle holes using a press equipped with specialized punches. Each punch features a tapered conical portion, a straight cylindrical portion, and a rounded interconnecting portion. This design ensures that the nozzle holes are created efficiently and effectively. After the punching process, the nibs produced on the bottom surface of the sheet material are removed using a tape grinding machine. The top and bottom surfaces of the sheet are then buffed to achieve a predetermined level of surface roughness. Finally, any burrs created during buffing are eliminated through ultrasonic cleaning.

Career Highlights

Tooru Tsukahara is currently employed at Fujitsu Corporation, where he continues to work on advancements in technology. His expertise in the field has allowed him to contribute to various projects and innovations within the company.

Collaborations

Throughout his career, Tooru has collaborated with notable colleagues, including Takanobu Fujisawa and Yoshiaki Kawasaki. These collaborations have fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

Tooru Tsukahara is a distinguished inventor whose work in ink-jet technology has led to significant advancements in the production of nozzle plates. His innovative methods and dedication to his craft continue to influence the industry.