Kohtaro Nagasawa

Title: Kohtaro Nagasawa: Innovator in Light-Sensitive Compositions

Introduction

Kohtaro Nagasawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of light-sensitive compositions, holding a total of 6 patents. His work has advanced technologies used in lithographic printing and micro-fabrication.

Latest Patents

Nagasawa's latest patents include a light-sensitive negative working composition featuring a diazonium condensate. This composition contains a light-sensitive diazo compound, a combination of two polymers, and an epoxy resin. The polymers are designed with specific structural units to enhance the composition's properties. This negative-type light-sensitive composition is particularly useful for preparing lithographic printing plates, which exhibit superior lipophilic nature and mechanical properties such as abrasion resistance. Another notable patent is a resist material for micro-fabrication, which comprises a polymer backbone with a specific moiety. This resist material is curable by electromagnetic radiation and is especially suitable for micro-fabrication applications.

Career Highlights

Throughout his career, Nagasawa has worked with notable companies, including Somar Manufacturing Co., Ltd. and Somar Corporation. His expertise in developing innovative materials has positioned him as a key figure in his field.

Collaborations

Nagasawa has collaborated with several professionals, including Hideo Ochi and Yumi Shibata. These collaborations have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Kohtaro Nagasawa's contributions to light-sensitive compositions and micro-fabrication materials highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving the efficiency and effectiveness of printing and fabrication processes.