Yoshiharu Nishikori

Title: Yoshiharu Nishikori: Inventor of Printing Film Technologies.

Introduction

Yoshiharu Nishikori is an inventor based in Kawasaki, Japan, associated with Oji Paper Co., Ltd. His work includes innovations in composite films and film laminates designed for printing applications. He is credited with 2 patents.

Latest Patents

Nishikori’s patent portfolio includes two inventions focused on improving printing films and their performance.

- **Composite printing film.** This invention describes a composite film intended for various printing methods, particularly UV flexographic printing. It features a synthetic-polymer substrate, especially polypropylene, with a binder-resin top layer whose surface roughness is specified within a defined range. Optional adhesive layers can be included between the substrate and top layer to support bonding.

- **Film laminates for printing.** This invention describes a polyolefin film laminate with a surface-modified film and an anchor layer containing an oxazoline group-modified resin. The manufacturing process includes corona treatment, application of an ethylene-acrylic acid copolymer layer, and film orientation. The resulting laminate is designed to provide transparency and strong adhesion to a coated layer.

Career Highlights

Nishikori’s listed inventions address practical materials challenges in printing, including surface characteristics, transparency, and adhesion. His work at Oji Paper Co., Ltd. connects these developments with the company’s activities in paper and film materials.

Collaborations

Koichi Katayama and Eiichi Mikami are identified as Nishikori’s coworkers.

Conclusion

Yoshiharu Nishikori’s two patents highlight his contributions to composite printing films and polyolefin laminates, with a focus on materials suited to reliable, high-quality printing.