Location History:
- Yotsukaichi, JP (1981)
- Mie, JP (1985 - 1999)
- Yokkaichi, JP (1994 - 2003)
Company Filing History:
7 out of 546 
5 out of 39 
2 out of 2,346 Years Active: 1981-2003
Title: **Yoshihiro Sobajima: Innovator in Propylene Resin Innovations**
Introduction
Yoshihiro Sobajima, an accomplished inventor from Yokkaichi, Japan, has made significant contributions to the field of polymer science through his innovative work on propylene resin compositions. With a remarkable portfolio of 15 patents, Sobajima continues to push the boundaries of material technology, particularly for industrial and automotive applications.
Latest Patents
One of Sobajima's latest inventions is the propylene resin composition and method for molding the same. This invention presents a propylene-based composition that yields molded polypropylene resin articles with exceptional resistance to scratching and impressive moldability. It successfully balances high rigidity and high impact strength, making it ideal for high-performance industrial parts and automotive components, especially those used in interiors.
Another significant patent of Sobajima's is focused on a thermoplastic polypropylene composition. This composition includes various components, notably a blend of a Ziegler-Natta catalyst sequentially polymerized propylene homopolymer and ethylene-propylene copolymer, along with other materials that enhance its performance. This innovative formulation is vital for producing lightweight yet durable products.
Career Highlights
Yoshihiro Sobajima has had a distinguished career working with prominent companies such as Mitsubishi Petrochemical Company Limited and Japan Polychem Corporation. His experience in these reputable organizations has enabled him to develop and refine his expertise in polymer technology, paving the way for numerous innovations in the industry.
Collaborations
Throughout his career, Sobajima has had the opportunity to collaborate with talented individuals, including his coworkers Masahide Hamaura and Hiroshi Yui. These partnerships have likely fostered an environment of creativity and shared knowledge, contributing to the success of his innovative projects.
Conclusion
Yoshihiro Sobajima stands out as a pioneering inventor whose work in the field of propylene resin compositions has garnered attention and respect. With his impressive portfolio of patents and collaborations with esteemed colleagues, he continues to influence the advancements in material technology, significantly impacting the automotive and industrial sectors. His ongoing dedication to innovation heralds a promising future for the applications of his inventions.
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.