Hideki Tomizawa

Title: Innovations of Hideki Tomizawa

Introduction

Hideki Tomizawa is a notable inventor based in Ashigarakami, Japan. He has made significant contributions to the field of materials science, particularly in the development of conductive films and photosensitive compositions. With a total of 2 patents, his work has garnered attention in the industry.

Latest Patents

One of Tomizawa's latest patents involves a conductive film that boasts excellent adhesiveness of a conductive thin wire after undergoing durability tests. This innovative film comprises a transparent substrate and a mesh pattern formed of a conductive thin wire. The conductive thin wire includes a black layer made of carbon black, a palladium-containing layer, and a metal plating layer, arranged in that order from the transparent substrate side.

Another significant patent focuses on a photosensitive composition, which includes a carboxyl group-containing photosensitive polyurethane resin, a phosphorus-containing flame retardant, a polymerizable compound, and a photopolymerization initiator. Notably, both the resin polymer of the photosensitive polyurethane resin and the polymerizable compound do not contain phosphorus atoms. The photosensitive polyurethane resin has a weight average molecular weight ranging from 2,000 to 60,000, an acid value between 20 mg KOH/g and 120 mg KOH/g, and an ethylenically unsaturated group equivalent from 0.05 mmol/g to 3.0 mmol/g. Additionally, the resin features at least one particular functional group in its side chain.

Career Highlights

Tomizawa is currently employed at Fujifilm Corporation, where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of materials used in various applications.

Collaborations

Some of his notable coworkers include Takahiro Ohno and Daisuke Arioka, who have collaborated with him on various projects within the company.

Conclusion

Hideki Tomizawa's contributions to the field of materials science through his patents and work at Fujifilm Corporation highlight his role as a significant inventor. His innovative approaches to conductive films and photosensitive compositions continue to influence the industry.