This inventor holds 2 USPTO granted patents. Top assignees: Kureha Kagaku Kogyo Kabushiki Kaisha, Kureha Kogyo Kabushiki Kaisha. Active years: 1984-2004.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Fukushima, JP (1984)
- Ibaraki-ken, JP (2004)
Company Filing History:

Years Active: 1984-2004
Title: Eiichi Hayashi: Innovator in Heat-Shrinkable Films and Resin Feeding Apparatus
Introduction
Eiichi Hayashi is a notable inventor based in Ibaraki-ken, Japan. He has made significant contributions to the field of materials science, particularly in the development of heat-shrinkable films and apparatus for resin feeding. With a total of 2 patents to his name, Hayashi's work has had a considerable impact on packaging technology.
Latest Patents
One of Hayashi's latest patents is for a heat-shrinkable multilayer film. This innovative film features a polyester surface that exhibits excellent printability and adaptability to various automatic packaging processes. The film consists of an outer surface layer made of polyester resin, an intermediate layer of polyamide resin, and an inner surface layer of sealable resin. It demonstrates a heat-shrinkable stress at 50°C of no more than 3 MPa in both longitudinal and transverse directions, along with a hot water shrinkability at 90°C of at least 20%.
Another significant patent is for an apparatus designed for feeding synthetic resin powder to a screw extruder. This apparatus improves the feeding of powderous resin material to a vacuum hopper by incorporating at least one vertical pipe-line portion between the resin tank and the vacuum hopper. Additionally, it features a flow-restricting element, such as an orifice, within this pipe-line portion to enhance efficiency.
Career Highlights
Throughout his career, Hayashi has worked with prominent companies, including Kureha Kagaku Kogyo Kabushiki Kaisha and Kureha Kogyo Kabushiki Kaisha. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Hayashi has collaborated with notable colleagues, including Takahisa Ueyama and Tadayoshi Itoh. These partnerships have fostered a creative environment that has led to advancements in their respective fields.
Conclusion
Eiichi Hayashi's contributions to the development of heat-shrinkable films and resin feeding apparatus highlight his innovative spirit and dedication to advancing technology. His work continues to influence the packaging industry and materials science.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile