Location History:
- Kawasaki, JP (2004)
- Kanagawa, JP (2004 - 2006)
- Tokyo, JP (2004 - 2021)
Company Filing History:
4 out of 90,753 
3 out of 60 
1 out of 944 Years Active: 2004-2021
Title: The Innovative Contributions of Yumiko Kato
Introduction: Yumiko Kato, a distinguished inventor based in Tokyo, Japan, has made significant strides in the field of composite materials and sheet processing technology. With a remarkable portfolio of eight patents, Kato's work demonstrates her dedication to innovation and problem-solving in industrial applications.
Latest Patents: Among her latest inventions, Yumiko Kato has developed a core material for fiber reinforced composites. This groundbreaking material boasts excellent workability when combined with fiber reinforcing materials. It is composed of a molded product of expanded beads containing a thermoplastic resin. This core material features a heat shrinkage onset temperature of 80°C or higher, a linear expansion coefficient of 10x10 mm/mm·°C or less, and a ratio of change in dimensions with heating at 130°C ranging from -4.0% to 0%. Furthermore, Kato has designed an innovative sheet processing apparatus that comprises a sheet conveying path, a sheet entrance unit, a sheet discharge unit, a driving unit, a sheet guide unit, and a sheet buffer device. This apparatus facilitates the sequential stacking and efficient processing of sheets.
Career Highlights: Yumiko Kato has garnered valuable experience with reputable companies such as Canon and Gradco Japan Ltd. Throughout her career, she has focused on enhancing material properties and processing efficiency, showcasing her ability to solve complex engineering challenges.
Collaborations: In her journey as an inventor, Kato has collaborated with esteemed colleagues such as Kazushige Masunari and Kuniaki Kimura. These partnerships have enriched her research and development efforts, leading to the successful realization of her patents.
Conclusion: Yumiko Kato's contributions to the fields of composite materials and processing technology highlight her innovative spirit and commitment to excellence. Her patents not only reflect her ingenuity but also serve to advance industrial applications, making her a prominent figure in the world of invention.