Location History:
- Shiga, JP (2002)
- Kyoto, JP (2010)
- Kusatsu, JP (2004 - 2011)
Company Filing History:
4 out of 252 
2 out of 1,331 
1 out of 1 Years Active: 2002-2011
Title: The Innovative Journey of Keiichi Fujise
Introduction
Keiichi Fujise, an accomplished inventor based in Shiga, Japan, has made significant contributions to the field of polymer science. With a portfolio of five patents to his name, his work focuses on enhancing the properties and usability of vinylpyrrolidone polymers through innovative processes and compositions.
Latest Patents
Fujise's latest patents showcase his expertise and ingenuity. One notable invention is a powder of a vinylpyrrolidone polymer featuring a K value of less than 50. This powder is characterized by having a content of particles smaller than 106 µm limited to 10% by mass or less, while controlling the content of larger particles over 1,000 µm to 5% by mass or lower. The process for production involves creating a concentrated solution of the polymer and subsequently drying and pulverizing it to achieve the desired particle size. This innovation allows for excellent solubility and favorable handleability without dust formation.
Another exciting patent by Fujise is the vinylpyrrolidone-based polymer composition, which exhibits improved storage stability and minimal molecular weight reduction under shear stress. This composition combines a vinylpyrrolidone-based polymer with specific additives, including various agents that enhance its performance.
Career Highlights
Throughout his career, Keiichi Fujise has worked with esteemed companies in the industry, including Dai-ichi Kogyo Seiyaku Co., Ltd. and Nippon Shokubai Co., Ltd. His dedication to research and development in polymer applications has established him as a notable figure in the field.
Collaborations
Fujise has collaborated with talented professionals, including Itsuko Hamaguchi and Akira Kitada, which has further enriched his research endeavors. Collaborating with skilled individuals has allowed him to exchange ideas and propel his innovations forward.
Conclusion
Keiichi Fujise continues to inspire and influence the world of polymer science through his innovative patents and collaborative spirit. His contributions significantly enhance the understanding and application of vinylpyrrolidone polymers, establishing him as a key inventor in this cutting-edge 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.