Location History:
- Okayama, JA (1978)
- Okayama, JP (1984 - 1998)
Company Filing History:
Years Active: 1978-1998
Title: Innovations of Shigeru Nakajima in Fiber Technology
Introduction
Shigeru Nakajima, an accomplished inventor based in Okayama, Japan, has made significant contributions to the field of fiber technology, evidenced by his five patents. His innovative spirit has led to the development of materials with unique properties, setting new standards in both functionality and usage in various applications.
Latest Patents
Among his latest inventions is the creation of an acidic or basic gas absorptive fiber and fabric. This invention boasts remarkable capabilities, showing a degree of acidic gas absorption of 70% or higher and a basic gas absorption of 80% or higher. The innovative fiber is designed to return to its original condition upon exposure to clean air after absorbing gases. The preferred material used is crosslinked acrylic fiber, which undergoes a complex process involving hydrazine. This process focuses on enhancing nitrogen content and managing carboxyl groups, resulting in durable materials that withstand cyclic usage.
Another notable patent is a spinning apparatus featuring a tubular elastomeric flow control valve body. This innovative device is constructed from an elastomeric material, allowing for its inner diameter to adapt according to external pressure. With its simple structure, the valve body is easy to retrofit into existing spinning apparatuses. The design allows dope to pass swiftly and smoothly, facilitating higher spinning speeds while preserving filament integrity.
Career Highlights
Shigeru Nakajima's career includes notable positions in reputable companies, including Japan Exlan Company Limited and Sumika-Hercules Co., Ltd. His work has significantly influenced advancements in fiber technology, reflecting his expertise and innovative mindset.
Collaborations
Throughout his career, Nakajima has collaborated with fellow inventors, including Masahiko Ozaki and Tadao Marui. These collaborations have further enriched his research and development endeavors, fostering innovation through shared knowledge and expertise.
Conclusion
Shigeru Nakajima's contributions to the field of fiber technology showcase his exceptional innovation and inventiveness. With his patents driving advancements in gas absorptive materials and spinning apparatus designs, Nakajima’s work continues to influence the industry, ensuring enhanced functionality and performance in textile applications.