This inventor holds 3 USPTO granted patents. Top assignees: Bando Chemical Industries, Inc., Showa Denko K.k.. Active years: 1990-1994.
Company Filing History:

Years Active: 1990-1994
Title: Jiro Yamashiro: Innovator in Toner Technology
Introduction
Jiro Yamashiro is a notable inventor based in Kobe, Japan. He has made significant contributions to the field of toner technology, holding a total of 3 patents. His work focuses on developing advanced toners for use in electrophotography, enhancing their performance and stability.
Latest Patents
Yamashiro's latest patents include a decolorizable toner that features a resin binder, a near-infrared ray-absorbing dye, a decolorizing agent, and a light fastness stabilizer. This innovative toner exhibits excellent light stability during production and storage, along with remarkable decolorizing properties. Another patent details a method for producing toner particles for electrophotography, which involves suspending a radical polymerizable monomer containing a colorant and a charge-controlling agent in an aqueous phase. This process results in spherical polymer particles that can be further treated to enhance their properties.
Career Highlights
Throughout his career, Jiro Yamashiro has worked with prominent companies such as Bando Chemical Industries, Inc. and Showa Denko K.K. His experience in these organizations has allowed him to refine his expertise in toner technology and contribute to various innovative projects.
Collaborations
Yamashiro has collaborated with notable colleagues, including Harushi Nagami and Takashi Miki. These partnerships have fostered a creative environment that has led to the development of cutting-edge technologies in the field.
Conclusion
Jiro Yamashiro's contributions to toner technology have established him as a key figure in the industry. His innovative patents and collaborations reflect his commitment to advancing the field and improving the performance of electrophotographic toners.