Location History:
- Kawasaki, JP (2011)
- Mie, JP (2002 - 2022)
- Kanagawa, JP (2016 - 2023)
Company Filing History:
10 out of 47 
4 out of 39 
2 out of 54 Years Active: 2002-2023
Title: Innovations by Yoshiyuki Ishihama
Introduction
Yoshiyuki Ishihama is a distinguished inventor based in Mie, Japan, recognized for his substantial contributions to the field of polymer chemistry. With a total of 16 patents to his name, Ishihama has significantly impacted the development of polyethylene-based materials and their applications.
Latest Patents
Among Ishihama's latest patents are critical innovations in ethylene-based polymers and catalysts for olefin polymerization. His inventions focus on creating polyethylene-based resin compositions that excel in moldability while providing a remarkable balance of impact strength, stiffness, and transparency. Specifically, one of his patents outlines a polyethylene-based resin composition consisting of 41% to 99% of an ethylene-based polymer and 1% to 59% of another ethylene-based polymer. The manufacturing process results in a resin composition with a melt flow rate (MFR) ranging from 0.05 to 50 g/10 min and a density between 0.910 to 0.960 g/cm³. Additionally, he developed a metallocene compound and catalyst components that facilitate the polymerization of olefins, enhancing the efficiency and effectiveness of production methods.
Career Highlights
Ishihama has held significant positions in prominent companies, including Japan Polyethylene Corporation and Japan Polychem Corporation. His work in these organizations has contributed to advancements in polymer applications, focusing on sustainable and high-performance materials that are increasingly important in various industries.
Collaborations
Throughout his career, Yoshiyuki Ishihama has collaborated with notable professionals in the field, including Masaru Aoki and Tsutomu Sakuragi. These collaborations have fostered a rich environment for innovation, allowing for the sharing of insights and expertise that have led to groundbreaking advancements in polymer technologies.
Conclusion
Yoshiyuki Ishihama's contributions to the industry through his patents and collaborations mark him as a significant figure in polymer science. His work not only enhances the properties of polyethylene and related materials but also paves the way for future innovations that will benefit various sectors.
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.