Location History:
- Tsukuba, JP (2003 - 2015)
- Ibaraki, JP (2019)
Company Filing History:
3 out of 1,715 
1 out of 144 
1 out of 832,880 Years Active: 2003-2019
Title: Kenji Haraya: Innovator in Carbon Membrane Technology
Introduction
Kenji Haraya is a prominent inventor based in Tsukuba, Japan. He has made significant contributions to the field of gas separation technology, holding a total of 5 patents. His innovative work focuses on methods for producing hollow fiber carbon membranes and hydrogen separation devices.
Latest Patents
One of Haraya's latest patents is a method for producing hollow fiber carbon membranes. This invention aims to provide a method capable of easily controlling the permeation rate and selectivity of gas molecules in a hollow fiber carbon membrane, which can be utilized as a gas separation membrane. The method includes several steps: preparing a precursor made of an organic polymer compound in the form of a hollow fiber, preheating the precursor in an oxygen-rich atmosphere, and carbonizing the precursor at high temperatures in the presence of a hydrocarbon gas. This innovative approach allows for precise control over the membrane's properties.
Another notable patent is the hydrogen separation device, which comprises a laminate formed by integrating a hydrogen separation layer with a mixed gas layer and a transmitted gas layer. This device is designed to optimize the separation of hydrogen from mixed gases, ensuring efficient operation under varying pressure conditions.
Career Highlights
Kenji Haraya has worked at the National Institute of Advanced Industrial Science and Technology, where he has contributed to various research projects and innovations. His work has been instrumental in advancing the field of gas separation technologies.
Collaborations
Throughout his career, Haraya has collaborated with notable colleagues, including Miki Yoshimune and Akira Tachiki. These collaborations have further enriched his research and development efforts.
Conclusion
Kenji Haraya's contributions to carbon membrane technology and hydrogen separation devices highlight his role as an influential inventor in the field. His innovative methods and collaborative efforts continue to drive advancements in gas separation technologies.