Hitoshi Niinuma

Title: Hitoshi Niinuma: A Leader in Air Filter Innovations

Introduction

Hitoshi Niinuma is an inventive mind hailing from Yuki, Japan, recognized for his significant contributions to the field of air filtration. With a total of seven patents to his name, he has excelled in developing technologies that enhance air quality and efficiency. His work primarily revolves around innovative filtering mediums and advanced air filter units.

Latest Patents

Niinuma's latest patents include cutting-edge inventions such as a filtering medium for air filters, a filter pack, and an air filter unit. His innovative filtering medium consists of two porous membranes composed mainly of fluororesin, which are supported by a series of air-permeable structures. Notably, the first membrane is positioned upstream of the second, allowing for superior dust retention. The filtering medium is designed to maintain a pressure loss of less than 200 Pa when subjected to air flow, demonstrating remarkable efficiency. Furthermore, it boasts a collecting efficiency of 99.97% or more for NaCl particles, illustrating its capability to filter extremely fine particulates effectively.

Another noteworthy invention from Niinuma involves a mixed powder and molding material primarily composed of polytetrafluoroethylene (PTFE). This invention includes fibrillatable PTFE and specific non-fibrillated components, achieving a complex structure that enhances its filtration capabilities. The drawn porous body created through this method shows a unique interconnection of fibrils and knotted portions, optimizing its performance in filtration applications.

Career Highlights

Throughout his career, Hitoshi Niinuma has worked with prominent companies such as Daikin Industries, Ltd. and Nippon Muki Co., Ltd. His professional journey has allowed him to significantly impact the air filtration industry, garnering recognition for his technical expertise and innovative thinking.

Collaborations

Niinuma has collaborated with talented individuals, including Li Bao and Makoto Kobayashi. These partnerships have fostered a creative environment that has been instrumental in the development of cutting-edge technologies in air filtration.

Conclusion

Hitoshi Niinuma stands out as a critical figure in the realm of air filter innovation. His dedication to improving air quality through effective filtration technologies is evident in his numerous patents and esteemed career. As the industry continues to evolve, Niinuma's contributions are likely to remain at the forefront of advancements in the field.