This inventor holds 4 USPTO granted patents. Top assignees: Kureha Kagaku Kogyo K.k., Kureha Chemical Industry Company, Limited, Kureha Kagaku Kogyo Kabushiki Kaisha. Active years: 1989-2001.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Iwaki, JP (1989)
- Fukushima, JP (1998 - 2001)
Company Filing History:
2 out of 137 
1 out of 128 
1 out of 776 
Years Active: 1989-2001
Title: Innovations of Takayuki Tanonaka: A Pioneer in Chemical Patents
Introduction: Takayuki Tanonaka, an accomplished inventor based in Fukushima, Japan, has made significant contributions to the field of chemistry, particularly in the development of innovative chemical processes. With a total of four patents to his name, his work has paved the way for advancements in the production of various chemical compounds.
Latest Patents: Among his notable patents, Tanonaka’s latest innovations include a process for the production of 2,6-dichloro-3,5-di(secondary or tertiary alkyl)toluene. This invention focuses on an enhanced method for chlorinating 3,5-di(secondary and tertiary alkyl)toluene using a chlorinating agent alongside a Lewis acid, promoting the reaction with an aromatic sulfur compound.
Another significant patent by Tanonaka outlines a method for substituting the amino group of a primary amine with a chlorine atom. This process not only facilitates the substitution but also enables the synthesis of 2-chloro-5-methylthiazole and its derivatives. The method involves the reaction of a heterocyclic primary amine with sodium nitrite in hydrochloric acid, followed by a heating process that leads to the desired chlorination.
Career Highlights: Takayuki Tanonaka has been associated with reputable companies in the chemical industry, including Kureha Kagaku Kogyo K.K. and Kureha Chemical Industry Company, Limited. His expertise and innovative approaches have significantly contributed to the advancements made during his tenure in these organizations.
Collaborations: Throughout his career, Tanonaka has worked alongside knowledgeable professionals such as Yutaka Konai and Tadashi Nakamura. These collaborations have further enriched his research and innovations, allowing for diverse perspectives and enhanced creativity in problem-solving and product development.
Conclusion: Takayuki Tanonaka's work exemplifies dedication to innovation in chemistry. His patented processes not only illustrate his expertise but also contribute to the broader field of chemical engineering. As he continues to explore new frontiers, Tanonaka remains a significant figure in the development of advanced chemical production methods.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile