Location History:
- Yokosuka, JP (1994)
- Hiratsuka, JP (1997)
Company Filing History:
2 out of 598 
1 out of 13,397 
Years Active: 1994-1997
Title: Masahiko Ohnishi: Innovator in Epoxy Resin Adhesives
Introduction
Masahiko Ohnishi is a notable inventor based in Yokosuka, Japan. He has made significant contributions to the field of adhesive technology, particularly in the development of epoxy resin compositions. With a total of 2 patents to his name, Ohnishi's work has had a considerable impact on various industries.
Latest Patents
Ohnishi's latest patents focus on epoxy resin structural adhesive compositions. One of his notable inventions is an epoxy resin adhesive composition that exhibits excellent adhesive properties, including impact resistance, tensile shear strength, and T-peel strength. This innovative adhesive also features a remarkable semi-gelling property, making it advantageous for applications that require long-term storage at room temperature. The composition includes an epoxy resin, a powder core/shell polymer, and a heat activation type hardener for epoxy resins. The core/shell polymer consists of a core made from an acrylate or methacrylate polymer with a low glass transition temperature and a shell made from a crosslinking polymer with a higher glass transition temperature.
Career Highlights
Throughout his career, Masahiko Ohnishi has worked with prominent companies such as Nippon Zeon Company, Ltd. and Nissan Motor Company Limited. His experience in these organizations has allowed him to refine his expertise in adhesive technologies and contribute to innovative solutions in the automotive and chemical industries.
Collaborations
Ohnishi has collaborated with esteemed colleagues, including Tadashi Ashida and Toshio Nagase. These partnerships have fostered a creative environment that has led to advancements in adhesive formulations and applications.
Conclusion
Masahiko Ohnishi's contributions to the field of epoxy resin adhesives demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of material properties and their applications, making him a significant figure in adhesive technology.
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.