Ryuuichi Kira

Title: Innovations of Ryuuichi Kira in Retardation Film Production

Introduction

Ryuuichi Kira is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of optical film production, particularly in the development of methods for creating retardation films. His innovative approaches have enhanced production efficiency and precision in controlling film characteristics.

Latest Patents

Ryuuichi Kira holds a patent for a method of producing retardation film, a method of producing a circularly polarizing plate, and a film-stretching apparatus. This patent describes a technique capable of producing a retardation film with an elongated shape and a slow axis oriented in an oblique direction. The method emphasizes high production efficiency while allowing precise control over the direction of the slow axis and its variations. The process involves holding the film's left and right end portions with variable pitch-type clips, preheating the film, and obliquely stretching it. The innovation includes braking the moving speeds of the clips during critical steps to ensure optimal results.

Career Highlights

Kira's career is marked by his work at Nitto Denko Corporation, where he has applied his expertise in film production technologies. His contributions have been instrumental in advancing the company's capabilities in optical film manufacturing.

Collaborations

Ryuuichi Kira has collaborated with notable colleagues such as Takashi Shimizu and Makoto Nakaichi. Their teamwork has fostered an environment of innovation and has led to the successful development of advanced film production techniques.

Conclusion

Ryuuichi Kira's innovative methods in the production of retardation films exemplify the impact of dedicated inventors in the field of optical technologies. His work continues to influence the industry and enhance production processes.