This inventor holds 7 USPTO granted patents. Top assignees: Terumo Kabushiki Kaisha, Terumo Kabushiki Kaisha, Trading as Terumo Corporation, Terumo Corporation. Active years: 1984-1992.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
4 out of 2,429 
2 out of 3 
1 out of 195 
Years Active: 1984-1992
Title: Kazuaki Takahara: Innovator in Medical Membrane Technology
Introduction
Kazuaki Takahara is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of medical technology, particularly in the development of hollow fiber membranes for artificial lungs and dialysis. With a total of 7 patents to his name, Takahara's work has had a profound impact on healthcare.
Latest Patents
One of his latest patents is a process for creating a hollow fiber membrane for artificial lungs. This innovative method involves mixing polypropylene with an organic filler that can uniformly disperse in a fused state and easily dissolve in an extractant. The mixture is then discharged through an annular spinning nozzle, resulting in hollow fibers that are cooled and solidified. The organic filler is subsequently removed to form the membrane.
Another notable patent is for unstretched hollow fibers of cuprammonium cellulose for dialysis. These fibers possess a film structure with a porosity of 15 to 25% and a pore diameter of 25 to 40 angstroms. The ultrafiltration ratio achieved is between 3.0 to 5.5 ml/mmHg.hr.m², which is obtained through a meticulous process of extruding, coagulating, and regenerating a cuprammonium cellulose spinning dope.
Career Highlights
Kazuaki Takahara has worked with Terumo Corporation, a leading company in the medical technology sector. His experience at Terumo has allowed him to develop and refine his innovative ideas, contributing to advancements in medical devices and treatments.
Collaborations
Throughout his career, Takahara has collaborated with notable colleagues, including Kazuhiro Shimoda and Yukio Seita. These partnerships have fostered a creative environment that has led to groundbreaking developments in the field.
Conclusion
Kazuaki Takahara's contributions to medical technology through his patents and collaborations have significantly advanced the field of healthcare. His innovative approaches to hollow fiber membranes continue to influence medical practices and improve patient outcomes.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile