Company Filing History:
Years Active: 1984-1986
Title: Hiroyo Oshima: Innovator in Thermal Dye-Transfer Technology
Introduction
Hiroyo Oshima is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of thermal dye-transfer technology, holding a total of six patents. Her innovative work has led to advancements in recording materials that enhance color density and clarity.
Latest Patents
Among her latest patents is a thermal dye-transfer type recording sheet designed for a recording method that utilizes a coating layer on a substrate. This layer is in contact with a coloring material layer containing sublimable dye, which is transferred through heating. The coating layer incorporates precipitated calcium carbonate with a specific surface area of at least 25,000 cm²/g, along with a binder made of saturated polyester or a mixture of saturated polyester with polyvinyl pyrrolidone. This design results in a recording sheet that provides a clear record with superior color density. Another notable patent involves a similar thermal dye-transfer type recording sheet, which includes both particular fine silica and a specific binder, further enhancing the quality of the recorded images.
Career Highlights
Hiroyo Oshima has established herself as a key figure in her field through her innovative patents and contributions to thermal dye-transfer technology. Her work at Jujo Paper Co., Ltd. has positioned her as a leader in developing advanced recording materials.
Collaborations
Throughout her career, Oshima has collaborated with notable colleagues, including Yutaka Kojima and Koichi Nagai. These partnerships have fostered a creative environment that has led to the development of cutting-edge technologies in the industry.
Conclusion
Hiroyo Oshima's contributions to thermal dye-transfer technology exemplify her innovative spirit and dedication to enhancing recording materials. Her patents reflect a commitment to quality and clarity in imaging, making her a significant figure in the field.