Norihiro Kumagai

Title: **Innovations by Norihiro Kumagai: Impacting the Printing Industry**

Introduction

Norihiro Kumagai is an accomplished inventor hailing from Tsukuba, Japan, recognized for his significant contributions to the printing industry. With a total of six patents to his name, Kumagai's work focuses on enhancing the efficiency and quality of intaglio printing processes. His innovative methods have not only advanced technology but also improved production standards across various printing applications.

Latest Patents

Among his latest patents, one notable invention is the "Method and device for adjusting contact pressure of intaglio printer wiping roller." This invention offers a solution for automatically adjusting the contact pressure between an intaglio cylinder and a wiping roller, thereby minimizing the occurrence of defective prints. Utilizing a contact pressure adjustment motor, the method involves altering the position of the wiping roller shaft center in relation to the intaglio cylinder shaft center. By storing optimized positions for both low-speed and printing operations, the wiping roller can be accurately positioned before the start of any printing task.

Additionally, Kumagai has developed a "Contact pressure adjusting method and contact pressure adjusting apparatus for printing press," designed to maintain high accuracy in contact pressure adjustments without being affected by mechanical oscillations. This invention converts the contact pressure of a wiping roll into torque value feedback for precise control of the wiping roll drive motor, ensuring optimal performance during printing.

Career Highlights

Norihiro Kumagai currently works with Komori Corporation, a prominent entity in the printing technology sector. His expertise and innovative mindset have paved the way for groundbreaking advancements that benefit not only the company but the industry as a whole. Kumagai remains committed to pushing the boundaries of printing technology through his inventive work.

Collaborations

Throughout his career, Kumagai has collaborated with talented colleagues such as Kenji Hayashi and Soichi Nakamura. Together, they contribute to the innovation and development of cutting-edge solutions in the printing domain, enhancing both the functionality and reliability of printing equipment.

Conclusion

Norihiro Kumagai’s contributions to the field of printing technology exemplify the essence of innovation and creativity. With his patented methods and apparatuses, he continues to leave a lasting impact on the industry, helping to streamline processes and improve the overall quality of printed materials. As his work progresses, the future of printing technology looks promising, thanks to the ingenuity and dedication of inventors like Kumagai.