Company Filing History:
Years Active: 1990
Title: Tetsuhiro Umezaki: Innovator in Electrophotographic Technology
Introduction
Tetsuhiro Umezaki is a notable inventor based in Koshigaya, Japan. He has made significant contributions to the field of electrophotographic technology, holding a total of 2 patents. His work focuses on the development of advanced photoreceptors that enhance the efficiency and quality of electrophotographic processes.
Latest Patents
Umezaki's latest patents include innovations in electrophotographic photoreceptors that utilize azo compounds. The first patent describes an electrophotographic photoreceptor equipped with a photosensitive layer containing an azo compound. This compound features at least one azo group coupled with a coupler residuum, which is essential for forming aromatic hydrocarbon or heterocyclic rings. The second patent also involves an electrophotographic photoreceptor that incorporates an azo compound and a coupler, emphasizing the importance of specific atomic groups and radicals in enhancing the photoreceptor's performance.
Career Highlights
Tetsuhiro Umezaki is currently employed at Dainichiseika Color & Chemicals Mfg. Co., Ltd. His work at this company has allowed him to focus on the development of innovative materials and technologies that are crucial for the printing and imaging industries. His expertise in electrophotographic technology has positioned him as a key figure in this specialized field.
Collaborations
Umezaki has collaborated with several talented individuals in his career, including Osamu Suda and Norio Tanaka. These collaborations have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Tetsuhiro Umezaki's contributions to electrophotographic technology through his patents and collaborations highlight his role as an influential inventor in the field. His work continues to impact the industry, paving the way for future innovations in imaging technology.