Hirohisa Ozawa

Title: Innovations by Hirohisa Ozawa

Introduction

Hirohisa Ozawa is a notable inventor based in Tatsuno, Japan. He has made significant contributions to the field of printing technology, holding a total of 2 patents. His work focuses on enhancing the efficiency and quality of printing apparatuses.

Latest Patents

Ozawa's latest patents include a printing apparatus, printing method, and computer program. This innovative printing apparatus features a first nozzle that ejects first ink containing a black coloring material and a second nozzle that ejects second ink with a lower content rate of the coloring material compared to the first ink. The control unit of the apparatus manages the ejection of ink from both nozzles. In cases of printing the darkest point, the control unit ensures that the second ink is ejected after the first ink, maintaining a use rate of the second ink between 1% and 15%. Another patent involves a liquid ejecting apparatus capable of ejecting sedimentation ink. This printer includes an LED as a first light-emitting unit that emits light to a patch printed on a medium, and a light-receiving sensor that determines the shielding degree of the patch based on the light reception signal.

Career Highlights

Hirohisa Ozawa is currently employed at Seiko Epson Corporation, a leading company in the printing industry. His work has contributed to advancements in printing technology, making processes more efficient and effective.

Collaborations

Ozawa has collaborated with notable coworkers, including Hirofumi Sakai and Mitsuhiro Yamashita. Their combined expertise has fostered innovation within their projects.

Conclusion

Hirohisa Ozawa's contributions to printing technology through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence advancements in printing apparatuses and methods.