Company Filing History:
Years Active: 2003-2021
Title: Innovator in Catalyst Technology: The Work of Yoichi Umehara
Introduction: Yoichi Umehara, a distinguished inventor based in Yokohama, Japan, has made significant contributions to the field of catalyst technology. With a total of eight patents to his name, Umehara's work primarily focuses on innovative vinylpyridine resins used in catalyst supports, which are crucial for various chemical reactions.
Latest Patents: Umehara's latest patents showcase his expertise in vinylpyridine resin development. One notable patent is for a vinylpyridine resin intended for use as a catalyst support, which features specific characteristics such as a nitrogen content derived from pyridine groups between 3.00% and 8.00% by mass, and a degree of crosslinking between 35% and 70% by mole. Additionally, the resin has a carbon to nitrogen molar ratio of between 12.00 and 36.00, total pore volume ranging from 0.20 cc/g to 0.45 cc/g, and specific surface area measurements between 70.0 m/g and 280 m/g. This novel resin also specifies pore diameter averages that support high catalytic activity.
Another invention focuses on a vinylpyridine resin designed to resist pulverization and thermal decomposition, thereby maintaining catalytic performance. The patented manufacturing method employs a combination of a poor solvent and a good solvent in specific ratios to produce a resin that meets rigorous performance standards.
Career Highlights: Umehara is currently a vital part of Chiyoda Corporation, where he applies his extensive knowledge to drive innovations in catalyst technologies. His work is integral to the ongoing research and development activities at the company, enabling advancements in various chemical processes.
Collaborations: Throughout his career, Umehara has collaborated with notable colleagues, including Zhixiong You and Takeshi Minami. These partnerships have enhanced the research initiatives within the company, fostering an environment of innovation and creativity.
Conclusion: Yoichi Umehara's contributions to vinylpyridine resin technology reflect his commitment to advancing catalyst efficiency and effectiveness. As an inventor with a strong portfolio of patents, he continues to shape the future of catalyst materials through his groundbreaking work in this essential field. His career at Chiyoda Corporation signifies the importance of innovation in the constantly evolving chemical industry.
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.