Company Filing History:
Years Active: 1994
Title: **Innovations of Hideki Ohta: Pioneering Toner Development**
Introduction
Hideki Ohta, an accomplished inventor based in Ikoma, Japan, has made significant contributions to the field of electrostatic imaging technology. With a remarkable portfolio of two patents, Ohta has showcased his expertise in developing advanced toners that optimize image quality and efficiency.
Latest Patents
Ohta's latest innovations include a patent for a toner specifically designed for developing electrostatic images. This toner incorporates a colorant and a charge control dye within a binding resin, which is its primary component. Key features of this toner include a surface dye density of less than 5.times.10.sup.-3 g/g. The toner composition allows for the inclusion of a monomer with a charge control polar group, ranging from 0.01 to 5 weight percent relative to the toner’s weight. Moreover, the binding resin can be derived from various monomer types, including styrene and ester acrylates, which enhance the performance of the toner.
Another significant patented invention by Ohta involves a method of manufacturing a spheroidal toner for electrostatic image development. This toner consists of a binding resin as the chief component, along with carbon black and a dispersion stabilizer for the carbon black. The conductivity of the toner is critical, falling between 5.times.10.sup.-11 to 5.times.10.sup.-9 S/cm. The manufacturing process comprises several steps, involving prepolymerization, stabilizer addition, and polymerization within an aqueous medium.
Career Highlights
Hideki Ohta is associated with Mita Industrial Co., Ltd., a company known for its innovations in imaging technologies. His imaginative approach and commitment to excellence have enabled him to contribute significantly to the company's reputation and success.
Collaborations
In his journey of innovation, Ohta has worked alongside talented colleagues such as Tatsuo Imafuku and Masami Tsujihiro. Their collaborations have enriched the creativity and efficiency of the development processes at Mita Industrial Co., Ltd., leading to advancements in toner technology.
Conclusion
Hideki Ohta's contributions to the field of electrostatic imaging through his patented inventions have set a benchmark for innovation in toner development. His work not only enhances image quality but also addresses the evolving needs of the imaging industry. Through diligent collaboration and inventive thinking, Ohta continues to push the boundaries of technology, leaving a lasting impact on the field.