This inventor holds 5 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignees: Screen Holdings Co., Ltd., Dainippon Screen Mfg. Co., Ltd.. Active years: 2014-2025.
Company Filing History:
4 out of 1,123 
1 out of 1,306 
Years Active: 2014-2025
Title: Keiji Hatano: Innovator in Printing Technology
Introduction
Keiji Hatano is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of printing technology, holding a total of 5 patents. His work focuses on improving printing systems and methods for detecting defects in printing processes.
Latest Patents
One of his latest patents is a printing system and defective nozzle detection method. This innovative system includes a printing unit and an imaging unit, equipped with a defect detection unit that identifies defects in captured images. It also features a defective nozzle position candidate extraction unit that identifies potential positions of defective nozzles. The first correction unit performs defect correction processes while sequentially setting only the identified nozzles as correction targets. The defective nozzle identification unit then identifies the defective nozzle based on the corrected image.
Another notable patent is a printing apparatus and a deviation amount calculating method. This apparatus is designed for printing on transported media and includes a print head with multiple modules. It utilizes a printing controller to manage the printing of a testing chart, a scanner for acquiring testing image data, and an image processor for creating reference and comparison charts. The deviation amount calculator then computes the deviation based on the composite testing chart.
Career Highlights
Throughout his career, Keiji Hatano has worked with notable companies such as Screen Holdings Co., Ltd. and Dainippon Screen Manufacturing Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in printing technology.
Collaborations
Keiji has collaborated with several talented individuals in his field, including Yusaku Ikeda and Masahiro Hayakawa. These collaborations have contributed to the advancement of printing technologies and the successful development of his patents.
Conclusion
Keiji Hatano is a distinguished inventor whose work in printing technology has led to several important patents. His innovative approaches to defect detection and printing apparatus design continue to influence the industry. His contributions are a testament to the importance of innovation in enhancing printing processes.