Norio Tsunematsu

Title: Norio Tsunematsu: Innovator in Optical Disk Technology

Introduction

Norio Tsunematsu is a notable inventor based in Ageo, Japan. He has made significant contributions to the field of optical disk technology, holding a total of 2 patents. His work focuses on innovative methods for manufacturing optical disks, which are essential in various data storage applications.

Latest Patents

Tsunematsu's latest patents include an "Optical Disk Production Device" and an "Optical Disk and Method of Manufacturing Optical Disk." The optical disk production device features a nozzle that ejects a UV curable cationic composition. This device also includes ultraviolet radiation means that irradiate the composition as it drops onto a disc substrate. Additionally, it has superimposing means that allow two disc substrates to be stacked, facilitating the spreading of the composition between them. The second patent describes a method where ultraviolet rays are irradiated in a space through which the cationic composition passes before reaching the disc substrate. This method ensures that the composition is distributed in a ring form on the surface of the substrate, enhancing the manufacturing process.

Career Highlights

Norio Tsunematsu is associated with Dainippon Ink and Chemicals, Incorporated, where he has been instrumental in advancing optical disk technology. His innovative approaches have contributed to the efficiency and effectiveness of optical disk production.

Collaborations

Throughout his career, Tsunematsu has collaborated with notable colleagues, including Shoei Ebisawa and Kiyoshi Oshima. These collaborations have fostered a creative environment that has led to significant advancements in their field.

Conclusion

Norio Tsunematsu's contributions to optical disk technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry, paving the way for future innovations in data storage solutions.