This inventor holds 2 USPTO granted patents. Top assignees: Asahi Kasei Kabushiki Kaisha, Asahi Kasei Kogyo Kabushiki Kaisha. Active years: 1987-2013.
Location History:
- Yokosuka, JP (1987)
- Tokyo, JP (2013)
Company Filing History:
1 out of 994 
1 out of 1,297 
Years Active: 1987-2013
Title: Tsumoru Kuwabara: Innovator in Membrane Technology
Introduction
Tsumoru Kuwabara is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of membrane technology, holding a total of 2 patents. His work focuses on innovative materials that enhance performance in various applications.
Latest Patents
Kuwabara's latest patents include a reflecting sheet and a composite hydrophilic membrane. The reflecting sheet invention features a surface layer containing an inorganic powder and a polyolefin resin, designed to optimize light reflection. The inner layer is composed of a polyolefin resin and additional incompatible resins, which create voids to enhance performance. The second patent, the composite hydrophilic membrane, consists of a thin semipermeable membrane with sulfonic groups, combined with a microporous membrane. This innovative design allows for a high permeation rate of water and excellent separation capabilities, produced through a unique manufacturing method.
Career Highlights
Throughout his career, Tsumoru Kuwabara has worked with prominent companies, including Asahi Kasei Kogyo and Asahi Kasei. His experience in these organizations has allowed him to develop and refine his inventions, contributing to advancements in membrane technology.
Collaborations
Kuwabara has collaborated with notable colleagues such as Tadashi Inoue and Kiyotaka Yoshie. These partnerships have fostered a creative environment that has led to innovative solutions in their field.
Conclusion
Tsumoru Kuwabara's contributions to membrane technology through his patents and collaborations highlight his role as a significant inventor. His work continues to influence advancements in materials science and engineering.