Location History:
- Hatano, JP (1986)
- Fujinomiya, JP (1982 - 1987)
- Shizuoka, JP (1984 - 1987)
- Kanagawa, JP (1985 - 1990)
Company Filing History:
25 out of 16,458 
1 out of 72 Years Active: 1982-1990
Title: **Kyoichi Naruo: Innovator in Micro-Porous Membrane Technology**
Introduction
Kyoichi Naruo, based in Shizuoka, Japan, is a prolific inventor renowned for his advancements in micro-porous membrane technology. With a remarkable portfolio of 25 patents, his inventive contributions have significantly impacted filtration and membrane applications across various industries.
Latest Patents
Among his latest innovations are two notable patents. The first is an **asymmetric micro-porous membrane containing a layer of minimum size**. This invention features a novel approach to producing micro-porous membranes through a dry-wet method. This method involves gas contact with the surface of a spread solution prior to immersion in a solidifying bath, effectively forming a coacervation phase at the surface layer. The innovative design of this membrane results in enhanced filtration flow rates, prolonged filter life, and reduced vulnerability to scratches.
The second patent, titled **plate-type filter cartridge with internal support**, presents an advanced filter cartridge consisting of multiple stacked filtration units. Each unit showcases two filtration membranes bonded on either side of inner and outer rims. These are complemented by fibrous netty members that support the membranes, ensuring structural integrity and efficiency in filtration processes.
Career Highlights
Kyoichi Naruo has cultivated his expertise through significant tenures at prominent companies. He previously worked with **Fuji Photo Film Company, Limited**, where he honed his skills in photo-related technologies, further evolving his capabilities in diverse applications. He also contributed to the field while working at **Toagosei Chemical Industry, Co., Ltd.**, where he further developed his insights into chemical and filtration technologies that led to his innovative patents.
Collaborations
Throughout his career, Naruo has collaborated with notable professionals, including Tsutomu Okita and Nobuyuki Yamamoto. Their collective efforts have been beneficial, fostering an environment of creativity and innovation that has propelled advancements in membrane technology.
Conclusion
Kyoichi Naruo stands out as an innovative inventor whose contributions to micro-porous membrane technology have established new benchmarks in filtration systems. His patents reflect a blend of practical engineering principles and inventive spirit, ensuring a lasting legacy in the field. As he continues his work, the industry eagerly anticipates further innovations that will emerge from his expertise and collaborative efforts.