Location History:
- Ibaraki-ken, JP (1999)
- Ibaraki, JP (2001 - 2007)
- Tsukuba, JP (1995 - 2009)
Company Filing History:
14 out of 2,245 
1 out of 2 Years Active: 1995-2009
Title: **Inventor Spotlight: Takayasu Fujimori**
Introduction
Takayasu Fujimori is a distinguished inventor based in Tsukuba, Japan. With a remarkable portfolio of 14 patents, he has made significant contributions to the field of polymer engineering, particularly focusing on polycarbonate materials. His innovative work has led to advancements that enhance the quality and performance of polycarbonate resins.
Latest Patents
Two of Fujimori’s latest patents exemplify his expertise in polymer science. The first patent outlines a polycarbonate copolymer that consists of 30 to 70 mol % of a structural unit comprising a bisphenyl fluorene structure and 70 to 30 mol % of a structural unit containing tricyclo [5.2.1.0] decanedimethanol. This copolymer is noteworthy for its minimal occurrence of birefringence during processes such as extrusion, injection molding, or stretch processing. The second patent details a polycarbonate resin characterized by a polystyrene-converted weight average molecular weight (Mw) ranging from 20,000 to 200,000. This resin is produced by forming a carbonate bond from specific dihydroxy compounds and boasts higher stiffness and improved mechanical properties compared to traditional aromatic polycarbonate resins derived from 2,2-bis(4-hydroxyphenyl)propane.
Career Highlights
Fujimori has an impressive career, having worked with esteemed organizations such as Mitsubishi Gas Chemical Company, Inc. and Fuji Kasei Co., Ltd. His roles in these companies allowed him to apply his innovative ideas and develop cutting-edge materials that have practical applications across various industries.
Collaborations
Throughout his career, Fujimori has collaborated with notable colleagues, including Kyohei Takakuwa and Yoshinori Isahaya. These partnerships have been instrumental in driving research and development efforts, leading to the successful creation of new materials and processes within the field of polymer chemistry.
Conclusion
Takayasu Fujimori stands out as a prominent inventor whose contributions to polycarbonate materials have had a significant impact on technology and manufacturing. His ongoing innovations continue to shape the future of polymer engineering, making him a key figure in this field. As we look forward to his future contributions, it is clear that his work will inspire new developments and advancements in materials science.
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.