Makoto Nakaichi

Title: Innovations of Makoto Nakaichi in Retardation Film Production

Introduction

Makoto Nakaichi is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of film production technology, particularly in the development of methods for producing retardation films. His innovative approaches have enhanced production efficiency and precision in controlling film properties.

Latest Patents

Nakaichi 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 method capable of producing a retardation film with an elongated shape and a slow axis in an oblique direction. The method allows for high production efficiency while precisely controlling the direction of the slow axis and its variations. The process involves holding the left and right end portions of a film with variable pitch-type clips, preheating the film, obliquely stretching it, and then releasing the clips. The oblique stretching is characterized by differing change ratios of clip pitches on either side, ensuring precise control over the film's properties.

Career Highlights

Nakaichi is associated with Nitto Denko Corporation, a leading company in the field of advanced materials and film production. His work has contributed to the company's reputation for innovation and quality in manufacturing processes.

Collaborations

Nakaichi has collaborated with notable colleagues such as Takashi Shimizu and Ryuuichi Kira. Their combined expertise has further advanced the development of innovative film production techniques.

Conclusion

Makoto Nakaichi's contributions to the field of film production, particularly through his patented methods, demonstrate his commitment to innovation and efficiency. His work continues to influence the industry and pave the way for future advancements in film technology.