This inventor holds 1 USPTO granted patent. Top assignee: Idemitsu Petrochemical Co., Ltd.. Active years: 1999.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1999
Title: Yoshikazu Shirai: Innovator of the Snap Zipper Technology
Introduction
Yoshikazu Shirai, a talented inventor based in Himeji, Japan, has made a significant contribution to modern packaging solutions with his innovative snap zipper technology. With a focus on creating functional and efficient designs, Shirai has earned recognition for his inventive prowess in the field of material applications.
Latest Patents
Yoshikazu Shirai holds a notable patent for a snap zipper and a bag incorporating this novel feature. His invention details a unique composition for the snap zipper components, blending polypropylene with an ethylene copolymer. This copolymer is derived from copolymerizing ethylene with an alpha-olefin, which has a ratio of carbon atoms between 3 and 20. Notably, the ethylene copolymer possesses specific characteristics, including a weight average to number average molecular weight of less than 3, a density range from 0.850 g/cm³ to 0.935 g/cm³, and a melt index between 0.3 g/10 min. and 15 g/10 min. Furthermore, the molecular weight branching is meticulously controlled at 0-5 branches per 1,000 carbons. His bag design seamlessly incorporates the snap zipper by fusing it to the bag body, enhancing both functionality and durability.
Career Highlights
Shirai is currently employed at Idemitsu Petrochemical Co., Ltd., where his expertise in polymer technology and engineering plays a vital role in advancing the company's innovative product lines. Through his work, he continuously aims to enhance packaging solutions that cater to consumer needs and industry standards.
Collaborations
Throughout his career, Yoshikazu Shirai has collaborated with distinguished professionals in the field, including his coworkers Kenichi Tanaka and Masao Takashige. These partnerships have fostered a creative environment where innovative ideas can flourish, enhancing the potential for breakthroughs in materials science.
Conclusion
In conclusion, Yoshikazu Shirai stands out as a remarkable inventor whose contributions to the development of snap zipper technology have made a significant impact on packaging solutions. With his innovative mindset and collaborative spirit, Shirai continues to drive advancements at Idemitsu Petrochemical Co., Ltd., further solidifying his legacy in the realm of inventions and patents.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile