Location History:
- Kanagawa-ken, JP (1998)
- Kanagawa, JP (1993 - 2003)
- Sodegaura, JP (2006 - 2012)
- Ichihara, JP (2010 - 2013)
Company Filing History:
11 out of 1,786 
11 out of 1,379 
3 out of 5,966 
Years Active: 1993-2013
Title: **Yuichi Okawa: Innovator in Polymer Purification and Development**
Introduction
Yuichi Okawa, based in Kanagawa, Japan, is a prominent inventor known for his significant contributions to the field of polymer chemistry. With a remarkable portfolio of 22 patents, he has made advancements in methods for polymer purification and development that are recognized in the industry.
Latest Patents
Among Okawa's notable recent patents is a method for purifying a polymer. This innovative technique involves bringing a solution containing a cyclic olefin polymer, characterized by a specific repeating structural unit, into contact with an organic compound possessing both basic and acidic functional groups. Following this process, the solution interacts with a basic adsorbent to effectively eliminate metal components. Additionally, he has developed a polymer preparation method that yields a polymer with increased dissolution rates in alkaline developers under acidic conditions. This polymer is synthesized by reacting a hydrogenated ROMP polymer with an O-alkylating agent in the presence of a base, showcasing Okawa's inventive approach to polymer chemistry.
Career Highlights
Throughout his career, Yuichi Okawa has been associated with leading companies such as Mitsui Chemicals, Inc. and Mitsui Toatsu Chemicals, Incorporated. His work in these organizations has influenced various aspects of polymer research and development.
Collaborations
Okawa has collaborated with esteemed colleagues, including Shoji Tamai and Akihiro Yamaguchi. These partnerships have been instrumental in driving forward innovative projects and enhancing the quality of research in the field.
Conclusion
Yuichi Okawa's contributions to polymer purification and preparation have solidified his status as a key figure in the industry. His extensive patent portfolio and collaboration with reputable colleagues underscore his dedication to advancing polymer chemistry and technology. As innovations continue to emerge from his work, Okawa remains a vital player in this transformative field.
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.