Location History:
- Kashima, JP (1993)
- Okayama-Pref., JP (2003 - 2004)
- Kurashiki, JP (2002 - 2014)
- Okayama, JP (2004 - 2017)
Company Filing History:
11 out of 1,868 
1 out of 41 Years Active: 1993-2017
Title: Innovations of Yoshiki Nobuto in Artificial Leather Technology
Introduction
Yoshiki Nobuto, an accomplished inventor from Okayama, Japan, has made significant contributions to the field of material science, particularly in the development of artificial leather. With a total of 12 patents to his name, Nobuto has demonstrated a commitment to innovation and excellence in his work. His inventions aim to enhance the sensuous qualities and physical properties of artificial materials, making them more appealing and functional.
Latest Patents
Nobuto's latest patents include a substrate for artificial leather that comprises a nonwoven fabric made from bundles of microfine filaments. This substrate is designed to meet several critical requirements: it utilizes 8 to 70 microfine filaments with a nearly circular cross-sectional shape, has a cross-sectional area between 170 to 700 µm, and ensures a density of 1500 to 3000 microfine fiber bundles per square millimeter along with small gaps of 70 µm or less. By achieving these specifications, the substrate offers a unique combination of high-level sensuous qualities and robust physical properties.
Another notable patent is for a leather-like sheet developed from a microfine long-fiber nonwoven fabric. This sheet features an entangled web structure made from bundles of microfine long fibers and incorporates an elastic polymer. It exhibits a ratio of breaking strength in both machine and transverse directions of 1/1 to 1.3/1, with an elongation at break of 80% or more. Such attributes provide the leather-like sheet with a natural dense feel, softness, balanced mechanical properties, and durability.
Career Highlights
Throughout his career, Yoshiki Nobuto has worked with reputable organizations, including Kuraray Co., Ltd. and the Research Institute of Innovative Technology for the Earth. His experience in these esteemed companies has allowed him to refine his skills in research and development, bringing forth innovations that have the potential to revolutionize the synthetic leather industry.
Collaborations
Nobuto has collaborated with distinguished peers in the field, notably Hisao Yoneda and Norio Makiyama. Together, they have contributed to advancements in material science, effectively pushing the boundaries of what is achievable in artificial material technology.
Conclusion
Yoshiki Nobuto's inventive spirit and expertise in creating advanced artificial leather materials highlight the importance of innovation in today's world. His patents serve as a testament to his dedication and creativity, potentially paving the way for new developments in synthetic materials. As the industry evolves, the impact of his work will undoubtedly continue to shape the future of artificial leather technology.