This inventor holds 5 USPTO granted patents. Top assignees: Sumitomo Naugatuck Co., Ltd., Sumitomo Dow Limited, Sumitomo Naugatick Co., Ltd.. Active years: 1988-1998.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
3 out of 39 
1 out of 13 
1 out of 1 
Years Active: 1988-1998
Title: The Innovative Journey of Mikio Hirai
Introduction: Mikio Hirai, an accomplished inventor from Niihama, Japan, has made significant contributions to the field of materials science. With a total of five patents to his name, he has focused on the development of advanced thermoplastic resin compositions that enhance both processability and performance.
Latest Patents: One of Hirai's latest patents is centered around a glass fiber-reinforced thermoplastic resin composition. This innovative formula achieves an impressive balance between processability, tapping strength, and heat resistance. The composition includes (A) 10 to 60% by weight of a terpolymer composed of N-phenylmaleimide, styrene, and acrylonitrile; (B) 5 to 20% by weight of a graft polymer featuring rubber types such as conjugated diene rubber and ethylene-propylene rubber; (C) 10 to 80% by weight of a copolymer comprising styrene and acrylonitrile; and (D) 5 to 35% by weight of glass fiber. The terpolymer and copolymer possess specific intrinsic viscosities that contribute to the overall effectiveness of the composition.
Another notable invention includes a resin of polycarbonate and a graft copolymer of an unsaturated epoxy monomer, which showcases his expertise in creating novel materials.
Career Highlights: Throughout his career, Mikio Hirai has worked with leading companies in the industry, including Sumitomo Naugatuck Co., Ltd and Sumitomo Dow Limited. His innovative work has garnered him recognition and respect within the materials engineering community.
Collaborations: During his tenure, Hirai collaborated with talented colleagues such as Tomio Yoshida and Tokuo Tatsuda. These partnerships have helped foster creativity and innovation, allowing for the development of groundbreaking materials and compositions.
Conclusion: Mikio Hirai's contributions to the field of thermoplastic resins exemplify the essence of innovation through collaboration and research. His ongoing commitment to advancing material science stands as a testament to his skill and passion as an inventor. With continued dedication, Hirai's work promises to impact industries requiring advanced material solutions for years to come.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile