Toshihiko Yoshitomi

Title: The Innovations of Toshihiko Yoshitomi

Introduction

Toshihiko Yoshitomi is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of electrophotography and optical recording mediums. With a total of 6 patents to his name, his work has had a considerable impact on technology and innovation.

Latest Patents

Yoshitomi's latest patents include a magnetic toner for electrophotography. This insulative magnetic toner comprises a magnetic powder, a negative charge control agent, a binder resin, and a compound featuring a phenazine ring amorphous-silicon photoreceptor. The invention is particularly effective in preventing picture image blurring under high humidity conditions when used with an amorphous-silicon photoreceptor. Another significant patent is for an optical recording medium and the process for producing it. This medium is designed for recording information by irradiating it with a laser beam to form a hole or a deformed part. The recording medium consists of a substrate and a recording layer containing specific amounts of tellurium, selenium, and fluorine, produced through reactive sputtering.

Career Highlights

Throughout his career, Yoshitomi has worked with prominent companies such as Mitsubishi Chemical Industries Limited and Mitsubishi Kasei Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas.

Collaborations

Yoshitomi has collaborated with notable coworkers, including Hiromi Horiuchi and Yukio Yamaguchi. Their combined expertise has contributed to the success of various projects and patents.

Conclusion

Toshihiko Yoshitomi's contributions to the fields of electrophotography and optical recording mediums highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to solving complex problems in these areas.