Tadashi Takehana

Title: The Innovations of Tadashi Takehana

Introduction

Tadashi Takehana is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the field of photographic materials, holding a total of 2 patents. His work has been instrumental in advancing the technology used in photography.

Latest Patents

Tadashi Takehana's latest patents focus on innovative photographic materials. One of his patents describes a photographic material that comprises a support of a polyester film, a first subbing layer provided thereon, a second subbing layer comprising gelatin provided on the first subbing layer, and a photographic layer provided on the second subbing layer. The first subbing layer is a layer of polyurethane latex cured with an epoxy compound or a dichloro-s-triazine derivative. Alternatively, the first subbing layer comprises a polymer that has a breaking elongation of not more than 300% or stress at 100% elongation of not less than 130 kg/cm².

Career Highlights

Tadashi Takehana is currently employed at Fuji Photo Film Company, Limited, where he continues to innovate in the field of photography. His expertise and dedication have contributed to the company's reputation as a leader in photographic technology.

Collaborations

Throughout his career, Tadashi has collaborated with talented individuals such as Hiroyuki Tamaki and Ken Nakanishi. These collaborations have fostered a creative environment that encourages innovation and the development of new ideas.

Conclusion

Tadashi Takehana's contributions to photographic materials demonstrate his commitment to innovation and excellence in his field. His patents reflect a deep understanding of the technology involved in photography, and his work continues to influence the industry.