Nobutaka Takenaka

Title: Nobutaka Takenaka: Innovator in Printing Ink Technology

Introduction

Nobutaka Takenaka is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of printing ink technology. His innovative work has led to the development of a unique printing ink varnish that enhances the quality and performance of printing processes.

Latest Patents

Nobutaka Takenaka holds a patent for "Printing ink varnish, and printing ink composition using same." This invention relates to an oil-based printing ink varnish comprising a polyurethane prepared using a polymeric polyol and a polyisocyanate as the main structural components. The polyurethane is synthesized using a polyfunctional amine as a chain extender, which contains at least one secondary amino group in each molecule. The total number of primary and secondary amino groups is three or more per molecule. This invention provides a printing ink varnish that contains a non-aromatic organic solvent and exhibits excellent laminate strength, blocking resistance, dot reproducibility, and plate clogging resistance.

Career Highlights

Throughout his career, Nobutaka Takenaka has worked with prominent companies in the printing industry. He has been associated with Toyo Ink Holdings Co., Ltd. and Toyo Ink Co., Ltd. His experience in these organizations has allowed him to refine his expertise in printing ink formulations and applications.

Collaborations

Nobutaka has collaborated with talented individuals in his field, including Yuika Hayasaka and Satotaro Tanaka. These collaborations have contributed to the advancement of printing ink technologies and innovations.

Conclusion

Nobutaka Takenaka is a distinguished inventor whose work in printing ink technology has made a lasting impact. His innovative patent demonstrates his commitment to improving the quality and efficiency of printing processes. His contributions continue to influence the industry and inspire future innovations.