This inventor holds 6 USPTO granted patents. Top assignee: Mitsubishi Gas Chemical Company, Inc.. Active years: 1997-2003.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Ibaraki, JP (1997 - 1999)
- Ibaraki-ken, JP (2001)
- Mie, JP (2003)
Company Filing History:
Years Active: 1997-2003
Title: The Innovative Contributions of Takashi Onozawa
Introduction
Takashi Onozawa is a prominent inventor based in Ibaraki-ken, Japan. He has made significant contributions to the field of chemistry, particularly in the production of adamantanediols and adamantanols. With a total of six patents to his name, Onozawa's work showcases his expertise and innovative spirit.
Latest Patents
Onozawa's latest patents include a method for the production of adamantanediols. This process involves the hydroxylation of adamantane compounds in a water/organic solvent two-phase system, utilizing a ruthenium compound and hypochlorite. The hydroxylation process is carefully controlled by regulating the hypochlorite concentration, which is monitored through the pH of the reaction system. This meticulous control results in the production of adamantanediols with high selectivity and yield. Another notable patent is the process for producing adamantanols, which focuses on the efficient separation and recovery of the ruthenium compound used as a catalyst. This method allows for the extraction of the ruthenium compound into the organic phase and its subsequent recovery, ensuring a sustainable approach to chemical production.
Career Highlights
Onozawa is currently employed at Mitsubishi Gas Chemical Company, Inc., where he continues to innovate and develop new chemical processes. His work has not only advanced the field of chemistry but has also contributed to the company's reputation as a leader in chemical manufacturing.
Collaborations
Throughout his career, Onozawa has collaborated with esteemed colleagues such as Osamu Kondo and Minoru Kakuda. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and the advancement of innovative solutions.
Conclusion
In summary, Takashi Onozawa's contributions to the field of chemistry through his patents and collaborative efforts highlight his role as a significant inventor. His innovative processes for producing adamantanediols and adamantanols demonstrate his commitment to advancing chemical manufacturing.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile