Location History:
- Mie, JP (1993 - 1998)
- Yokkaichi, JP (1995 - 2002)
Company Filing History:
4 out of 2,350 
3 out of 546 
1 out of 26 Years Active: 1993-2002
Title: Keiko Shichijo: Innovator in Resin Composition
Introduction
Keiko Shichijo is a prominent inventor based in Yokkaichi, Japan. She has made significant contributions to the field of materials science, particularly in the development of advanced resin compositions. With a total of 8 patents to her name, her work has had a substantial impact on various industries.
Latest Patents
One of her latest innovations is a resin composition for extruded forms. This composition boasts improved workability and excellent properties regarding transparency, heat resistance, and low-temperature resistance. It consists of 50 to 99% by weight of component A, a copolymer of ethylene and α-olefin, and 1 to 50% by weight of component B, which is an ethylene-containing polymer. Component A has specific characteristics, including a melt flow rate (MFR) of 0.1 to 5 g/10 min and a density ranging from 0.88 to 0.925 g/cm³. Additionally, it features a unique elution curve profile that meets certain criteria. Component B also has defined properties, including a melt flow rate of 0.1 to 20 g/10 min and a density of 0.88 to 0.93 g/cm³. Another notable invention is a propylene resin composition that offers an excellent balance between low-temperature impact resistance and rigidity, making it suitable for automobile interior and exterior trim parts.
Career Highlights
Throughout her career, Keiko has worked with leading companies in the chemical industry, including Mitsubishi Chemical Corporation and Mitsubishi Petrochemical Company Limited. Her expertise in resin technology has positioned her as a key player in the development of innovative materials.
Collaborations
Keiko has collaborated with notable colleagues such as Hajime Ikeno and Koji Yamamoto. These partnerships have further enhanced her research and development efforts in the field of resin compositions.
Conclusion
Keiko Shichijo's contributions to resin technology exemplify her innovative spirit and dedication to advancing material science. Her patents reflect her commitment to improving product performance and functionality in various applications.