This inventor holds 2 USPTO granted patents. Top assignees: Orient Chemical Industries, Ltd., Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha, Nippon Gosei Kagako Kogyo Kk. Active years: 1986-1987.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 129 
1 out of 125 
1 out of 1 Years Active: 1986-1987
Title: Takashi Kiryu: Innovator in Dye Composition Technology
Introduction
Takashi Kiryu is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of dye compositions, particularly in applications for toners and electrostatic coatings. With a total of 2 patents, his work has had a considerable impact on the industry.
Latest Patents
Kiryu's latest patents include innovative formulations for dye compositions. The first patent describes a dye composition prepared by polymerizing an unsaturated monomer in the presence of a quinoneimine dye and an azo initiator. The specific amounts of these components are expressed by the equations x ≥ 5 and y ≥ 0.33x^1.2, where x represents the weight percentage of the quinoneimine dye and y represents the weight percentage of the azo initiator based on the unsaturated monomer. This composition is particularly useful for preparing toners for developing electrostatic images due to its outstanding charge control effect. The second patent also focuses on a toner composition that utilizes a similar dye composition, emphasizing its effectiveness in electrostatic coating powder applications.
Career Highlights
Throughout his career, Takashi Kiryu has worked with prominent companies in the chemical industry. He has been associated with Orient Chemical Industries, Ltd. and Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha. His experience in these organizations has allowed him to refine his expertise in dye technology and contribute to various innovative projects.
Collaborations
Kiryu has collaborated with several professionals in his field, including Tetsuya Ohshima and Hisashi Senshu. These collaborations have fostered a creative environment that has led to advancements in dye compositions and their applications.
Conclusion
Takashi Kiryu's contributions to dye composition technology have established him as a significant figure in the field. His innovative patents and collaborations reflect his commitment to advancing the industry. His work continues to influence the development of effective toners and electrostatic coatings.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile