Company Filing History:
Years Active: 1981-1982
Title: Shigeru Nagashima: Innovator in Container Closure Technology
Introduction
Shigeru Nagashima is a notable inventor based in Hiratsuka, Japan. He has made significant contributions to the field of container closure technology, holding two patents that showcase his innovative approach to design and functionality.
Latest Patents
Nagashima's latest patents include a lined closure designed as a cap that serves as a container cover. This cap features a thermoplastic resin liner that is pressed formed onto the inner surface of the cap shell. The unique design ensures that the difference between the intrasurface orientation index of the outer peripheral portion and the central portion of the liner does not exceed 0.37. Additionally, he has developed a method for creating a cap with a thermoplastic liner that maintains this orientation index. Another significant patent is for a container closure that includes an easily openable liner. This liner is composed of a base resin that consists of 30% to 95% by weight of a crystalline polyolefin and 5% to 70% by weight of a lowly crystalline or amorphous copolymer of ethylene with another olefin. The closure is designed to provide both excellent sealing properties and easy openability.
Career Highlights
Throughout his career, Nagashima has worked with prominent companies in the packaging industry, including Japan Crown Cork Co., Ltd. and Toyo Seikan Kaisha, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to advancements in container technology.
Collaborations
Nagashima has collaborated with notable colleagues such as Fumio Mori and Gunji Matsuda. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Shigeru Nagashima's work in container closure technology exemplifies his commitment to innovation and functionality. His patents reflect a deep understanding of materials and design, making significant contributions to the industry.
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.