Location History:
- Kanagawa-ken, JP (1997 - 2005)
- Sodegaura, JP (2005 - 2009)
- Ichihara, JP (2010)
- Yokohama, JP (1988 - 2014)
Company Filing History:
15 out of 1,379 
8 out of 1,786 
1 out of 51 Years Active: 1988-2014
Title: Yoshiho Sonobe: Innovator in Olefin Polymerization Catalysts
Introduction
Yoshiho Sonobe is a prominent inventor based in Yokohama, Japan, noted for his significant contributions to the field of olefin polymerization. With an impressive portfolio of 23 patents, Sonobe has made considerable advancements in the development of catalysts that enhance the performance of ethylene-based resins, paving the way for new applications in various industries.
Latest Patents
Among his latest patents, Sonobe's innovations include the bridged metallocene compound used as an olefin polymerization catalyst. This innovation allows for the creation of macromonomers that are essential for producing olefin polymers characterized by long-chain branches. The properties of these polymers include a reduced neck-in during T-die extrusion, minimized take-up surges, and superior mechanical strength. The catalyst and its polymerization process efficiently yield high-performance olefin polymers, enhancing their applicability in manufacturing and engineering.
Furthermore, Sonobe has patented ethylene-based resins that maintain a high melt tension, resulting in molded objects with excellent mechanical strength. These advancements fulfill various performance criteria, significantly enlarging the scope of potential applications for his materials.
Career Highlights
Throughout his distinguished career, Yoshiho Sonobe has worked with notable companies such as Mitsui Toatsu Chemicals, Incorporated and Mitsui Chemicals, Inc. His tenure at these organizations has allowed him to push the boundaries of polymer science and catalyst technology.
Collaborations
Sonobe has collaborated with skilled professionals including Akihiro Yamaguchi and Masahiro Ohta. These partnerships have fostered an environment of innovation, enabling the development of advanced technologies and novel materials in the field of polymer chemistry.
Conclusion
Yoshiho Sonobe has cemented his place as a leading inventor in the domain of olefin polymerization catalysts. His ongoing contributions and groundbreaking patents not only advance industrial capabilities but also inspire future innovations within the field. As he continues to explore new frontiers in polymer technology, Sonobe's work is poised to have lasting impacts on multiple sectors, transforming how materials are processed and utilized.
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.