Location History:
- Kanagawa-ken, JP (1999 - 2002)
- Chiba, JP (2004 - 2014)
Company Filing History:
Years Active: 1999-2014
Title: The Innovations of Tamio Kawasumi
Introduction
Tamio Kawasumi is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced resin foams and films. With a total of six patents to his name, Kawasumi's work has had a notable impact on various industries.
Latest Patents
Kawasumi's latest patents include a groundbreaking foam and its production method. This resin foam features fine foam cells and is produced at a low cost. The method involves preparing a molten resin composition and continuous extrusion foaming of the molten resin. The composition is created by melting a mixture of resins (A) and (B), with a foaming agent dissolved into the mixture. Resins (A) and (B) are selected based on their glass transition temperatures, and resin (B) particles are dispersed in resin (A) at an appropriate diameter.
Another significant patent involves a shape-retaining film, which boasts excellent adhesion to inks and other functional layers while maintaining high shape-retaining properties. This film is made from an ethylene homopolymer or an ethylene/a-olefin copolymer with specific characteristics, including a density of 950 kg/m3 or higher and a weight-average molecular weight to number-average molecular weight ratio of 5-20. The film exhibits a tensile elasticity modulus of 6-50 GPa and has defined angles of recovery from bending.
Career Highlights
Kawasumi is currently employed at Mitsui Chemicals, Inc., where he continues to innovate and develop new materials. His work has been instrumental in advancing the capabilities of resin products, making them more efficient and effective for various applications.
Collaborations
Throughout his career, Kawasumi has collaborated with notable colleagues, including Michio Eriguchi and Haruo Inoue. These partnerships have fostered a creative environment that has led to the successful development of new technologies and materials.
Conclusion
Tamio Kawasumi's contributions to the field of materials science through his innovative patents and collaborations highlight his importance as an inventor. His work continues to influence the industry and pave the way for future advancements in resin technologies.
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.