Keiji Ueda is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of liquid discharge technology, holding a total of 10 patents. His work has been instrumental in advancing the capabilities of liquid discharge heads and related apparatus.

Latest Patents

One of Ueda's latest patents involves a liquid discharge head that includes a nozzle member. This nozzle member comprises a nozzle, a deformable laminar member, and an electromechanical transducer. The nozzle is designed to discharge liquid, while the deformable laminar member features an opening that forms the nozzle. The electromechanical transducer is strategically placed around the opening. Notably, the nozzle member is warped concerning a discharge-side plane when no voltage is applied to the electromechanical transducer. Additionally, Ueda has developed a PZT precursor solution, methods for producing PZT films, electromechanical transducer elements, and liquid discharge heads, utilizing a sol-gel method.

Career Highlights

Keiji Ueda is currently employed at Ricoh Company, Ltd., where he continues to innovate and develop new technologies. His expertise in liquid discharge systems has positioned him as a key figure in the industry.

Collaborations

Ueda has collaborated with notable coworkers, including Yoshikazu Akiyama and Akira Shimofuku. Their combined efforts have contributed to the advancement of technologies in their field.

Conclusion

Keiji Ueda's contributions to liquid discharge technology and his impressive portfolio of patents highlight his role as a leading inventor in this domain. His work continues to influence advancements in the industry, showcasing the importance of innovation in technology.

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