Company Filing History:
Years Active: 1993-1996
Title: Kenji Kondou: Innovator in Porous Polypropylene Membranes
Introduction
Kenji Kondou is a notable inventor based in Otake, Japan. He has made significant contributions to the field of materials science, particularly in the development of porous polypropylene hollow fiber membranes. With a total of 2 patents, his work has implications for various industrial applications.
Latest Patents
Kondou's latest patents focus on the creation of porous polypropylene hollow fiber membranes with large pore diameters. The first patent describes a membrane featuring rectangular pores formed by microfibrils oriented in the lengthwise direction of the fibers. This design allows for a stacked, multicellular structure, with an average pore diameter ranging from 1.7 µm to 10 µm, a porosity of 80 to 95%, and an air permeability of not less than 4×10^5 l/m²·hr·0.5 atm. The production process involves melt-spinning polypropylene, followed by specific annealing, cold-stretching, and hot-stretching techniques. The second patent outlines a similar membrane with slightly different parameters, including an average pore diameter greater than 1 µm and a porosity of 70 to 95%.
Career Highlights
Kenji Kondou is currently employed at Mitsubishi Rayon Company, Limited, where he continues to innovate in the field of polymer materials. His work has garnered attention for its potential applications in filtration and separation technologies.
Collaborations
Kondou collaborates with esteemed colleagues such as Jun Kamo and Takayuki Hirai, contributing to a dynamic research environment that fosters innovation.
Conclusion
Kenji Kondou's contributions to the development of porous polypropylene membranes highlight his role as a key innovator in materials science. His patents reflect a commitment to advancing technology in this field, paving the way for future applications.