Keijiro Okawachi

Title: Keijiro Okawachi: Innovator in Active-Energy-Ray-Curable Inks

Introduction

Keijiro Okawachi is a notable inventor based in Hyogo, Japan. He has made significant contributions to the field of active-energy-ray-curable inks. With a total of 2 patents to his name, Okawachi's work focuses on innovative resin compositions that enhance the performance of inks used in various applications.

Latest Patents

Okawachi's latest patents include a resin for active-energy-ray-curable ink, a composition for active-energy-ray-curable ink, and the active-energy-ray-curable ink itself. The resin for active-energy-ray-curable ink contains a rosin-modified polyester resin, which is a reaction product of materials including rosins, dibasic acids, and polyols. This resin is characterized by specific ester bond, acid value, and hydroxyl value ranges, ensuring optimal performance in ink applications. Additionally, his work on the rosin-modified unsaturated polyester resin involves a careful balance of components to achieve desired properties, making it suitable for various industrial uses.

Career Highlights

Keijiro Okawachi is currently employed at Harima Chemicals, Incorporated. His role at the company allows him to further develop his innovative ideas and contribute to advancements in the field of inks and coatings. His expertise in resin technology has positioned him as a key figure in the industry.

Collaborations

Okawachi has collaborated with notable coworkers such as Hironori Matsushima and Keiji Sasakura. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Keijiro Okawachi's contributions to the field of active-energy-ray-curable inks demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of resin chemistry and its applications in modern technology.