Company Filing History:
Years Active: 1994-2012
Title: The Innovative Journey of Yasuki Ohtawa
Introduction
Yasuki Ohtawa, an accomplished inventor based in Wakayama, Japan, has made significant contributions to the field of electrophotography through his innovative patents. With a remarkable portfolio of 16 patents, Ohtawa has established himself as a prominent figure in the realm of technology and materials science.
Latest Patents
One of Ohtawa's latest patents is focused on a toner for electrophotography. The toner comprises a charge control agent featuring a specified iron-azo complex or a specific metal compound of a benzilic acid derivative, paired with a colorant and a resin binder made from polyester. This unique formulation utilizes a polyester obtained by polycondensing an alcohol component containing a propylene oxide adduct of bisphenol A. The patent highlights detailed specifications regarding the average mole of propylene oxide added and the content ratio of hydroxyl groups, emphasizing its suitability for developing latent images in various methods like electrophotography and electrostatic printing.
Another notable invention by Ohtawa is a process for producing alkylene oxide adducts. This process includes the steps of reacting an aliphatic alcohol containing a hydrocarbon group with an alkylene oxide in the presence of a catalyst. The resulting product undergoes successive acid and reduction treatments, yielding an alkylene oxide adduct useful in creating various anionic surfactants that boast minimal undesirable coloration.
Career Highlights
Yasuki Ohtawa's career is marked by his extensive work at Kao Corporation, a leading company known for its innovative products in consumer goods and chemical sectors. His tenure there has been characterized by a strong focus on research and development, particularly in the areas of materials for electrophotography and surfactants. His inventions have contributed significantly to enhancing the performance and efficiency of imaging technologies.
Collaborations
Throughout his career, Ohtawa has collaborated with talented colleagues such as Tohru Katoh and Uichiro Nishimoto. These collaborations have fostered a creative environment that encourages the exploration of new ideas and technological advancements. Together, they have worked on various projects that push the boundaries of current technology in their respective fields.
Conclusion
Yasuki Ohtawa exemplifies the spirit of innovation through his extensive work and contributions to the fields of electrophotography and materials science. His 16 patents, including groundbreaking inventions like specialized toners and alkylene oxide adduct production processes, underscore his commitment to advancing technology. As he continues to pursue new ideas and collaborations, Ohtawa remains a trailblazer in his field, positively impacting the industry and inspiring future inventors.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.