Tositaka Hirata

Title: Innovations of Tositaka Hirata: A Pioneer in Liquid Jet Technology

Introduction

Tositaka Hirata is a notable inventor based in Tokyo, Japan, recognized for his contributions to the field of liquid jet technology. With a total of three patents to his name, his work has significantly impacted printing technology and related applications. He is currently associated with Ricoh Company, Ltd., a renowned leader in imaging and electronics.

Latest Patents

Hirata's most recent inventions showcase his expertise in creating advanced liquid jet systems. His first noteworthy patent is the "Liquid Jet Recording Head," which features a flow path member with multiple flow paths. Each flow path is designed with an opening surface, complemented by a piezo-electric member that enhances precision in liquid delivery. The structure includes grooves filled with an elasticity member, aiding in the efficient guiding of liquid supplied by external mechanisms, ultimately leading to jet orifices for optimal liquid ejection.

Another significant invention is the "Ink Jet Record Apparatus," which revolves around the operation of a drop-on-demand ink jet head utilizing piezoelectric elements. This apparatus comprises two drive parts for varied operational modes, allowing flexibility in ink dot size through a selection mechanism. The device adapts to input image information, demonstrating Hirata’s emphasis on versatility and efficiency in printing technologies.

Career Highlights

Hirata's career at Ricoh Company, Ltd. highlights his role in advancing printing technologies. His innovative patents are not just technical achievements but also reflect his commitment to elevating performance standards in the industry. The ability to adjust ink dot size and control liquid delivery through his inventions marks a significant milestone in inkjet technology.

Collaborations

Throughout his tenure, Hirata has collaborated with esteemed colleagues, including Minoru Ameyama and Hiromichi Komai. These partnerships have fostered a productive environment for innovation, enabling the exchange of ideas that have propelled their research and development efforts forward.

Conclusion

Tositaka Hirata’s innovations in liquid jet technology demonstrate his expertise and dedication to enhancing printing solutions. With three patents to his name, his work at Ricoh Company, Ltd. plays a crucial role in shaping the future of inkjet technology. As he continues to push the boundaries of innovation, Hirata remains a key figure in the landscape of inventors contributing to advancements in this dynamic field.