Hiroyuki Yasujima

Title: Hiroyuki Yasujima: Innovator in Vacuum Coating and Recording Media

Introduction

Hiroyuki Yasujima is a notable inventor based in Tokyo, Japan. He has made significant contributions to the fields of vacuum coating technology and heat development recording media. With a total of 2 patents, Yasujima's work showcases his innovative spirit and technical expertise.

Latest Patents

Yasujima's latest patents include a vacuum coating installation and a diazotype heat development recording medium. The vacuum coating installation features a container where the material to be vaporized, such as SiO, is placed. This material is vaporized using an electron beam gun or a vaporization oven. A synthetic film to be coated is transported by a specialized arrangement, while microwaves are irradiated into the space between the vaporized material and the film. The diazotype heat development recording medium boasts excellent shelf life and heat sensitivity. It consists of a support and a recording layer that includes a diazo compound, a coupler, an acid stabilizer, a thermal developer, and a polymeric binder.

Career Highlights

Throughout his career, Yasujima has worked with prominent companies such as Toppan Printing Co., Ltd. and Leybold Aktiengesellschaft. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in his field.

Collaborations

Yasujima has collaborated with notable coworkers, including Niro Watanabe and Shiro Nemoto. These partnerships have likely enriched his work and led to further advancements in technology.

Conclusion

Hiroyuki Yasujima is a distinguished inventor whose contributions to vacuum coating and recording media have made a lasting impact. His innovative patents and collaborations reflect his dedication to advancing technology in his field.