This inventor holds 3 USPTO granted patents, plus 2 CIPO patents and 1 EPO patent. Top assignees: Teijin Limited, Nippon Pillar Packing Co., Ltd., Teijin Pharma Limited. Active years: 1998-2011.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Iwakuni, JP (2002)
- Yamaguchi, JP (1998 - 2011)
Company Filing History:

Years Active: 1998-2011
Title: Kenji Takemasa: Innovator in Gas Treatment Technologies
Introduction
Kenji Takemasa is a notable inventor based in Yamaguchi, Japan. He has made significant contributions to the field of gas treatment technologies, holding a total of 3 patents. His innovative designs focus on improving efficiency and effectiveness in various treatment processes.
Latest Patents
One of Takemasa's latest patents is a rotary-valve and adsorption separation system. This rotary valve features sliding members that supply treatment gas containing water vapor to multiple treatment processes. The design includes sliding surfaces that are slidable to each other and a mechanical seal mechanism that switches the flow passages while sealing fluid by pressing the sliding surfaces. Notably, the sliding surfaces are made of hydrophobic material with varying hardness.
Another significant patent is an apparatus for producing oxygen-enhanced gas from air. This fractionator is designed for use in oxygen inhalation therapy and includes an air source that supplies air to a series of columns containing adsorbent material for nitrogen gas. The system is equipped with a temperature sensor that detects the temperature of the column's side wall, allowing the fractionator to adjust the nitrogen gas adsorption time based on the detected temperature.
Career Highlights
Throughout his career, Kenji Takemasa has worked with prominent companies such as Teijin Limited and Teijin Pharma Limited. His experience in these organizations has contributed to his expertise in developing innovative gas treatment solutions.
Collaborations
Takemasa has collaborated with talented individuals in his field, including Daisuke Kobatake and Masaki Tachino. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Kenji Takemasa is a distinguished inventor whose work in gas treatment technologies has made a significant impact. His innovative patents and collaborations highlight his commitment to advancing the field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile