This inventor holds 9 USPTO granted patents and 1 published patent application, plus 1 CIPO patent and 2 EPO patents. Top assignees: Nof Corporation, Tokyo Institute of Technology, Universitá Degli Studi Di Padova. Active years: 2016-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
9 out of 344 
2 out of 591 
1 out of 43 
Years Active: 2016-2025
Title: Midori Hirai: Innovator in Polyethylene Glycol Purification
Introduction
Midori Hirai is a prominent inventor based in Kawasaki, Japan. She has made significant contributions to the field of polymer science, particularly with her innovative methods for purifying polyethylene glycol compounds. With eight patents to her name, Hirai continues to influence her field through her research and inventive solutions.
Latest Patents
Hirai's latest patents showcase her expertise in the purification of branched polyethylene glycol. One of her notable inventions, titled "Method for Purifying Branched Polyethylene Glycol," involves a unique process that includes adding a solid acid, such as magnesium silicate or aluminum silicate, to a branched polyethylene glycol compound in the presence of an aprotic organic solvent. This innovative approach allows for effective purification of the compound, ensuring the removal of impurities.
Another significant patent is the "Method for Purifying Polyethylene Glycol Compound," which outlines a two-step process. This method involves dissolving the compound in an organic solvent with a specific Hildebrand solubility parameter and subsequently mixing it with an adsorbent made from hydrotalcite, leading to the preparation of a slurry for purification purposes.
Career Highlights
Hirai's career has been marked by her work with notable organizations, including Nof Corporation and the Tokyo Institute of Technology. Her experiences in these institutions have fueled her innovative thinking and have enabled her to develop practical solutions to complex challenges in polymer science.
Collaborations
Throughout her career, Hirai has collaborated with eminent professionals in her field, including Hiroki Yoshioka and Yuji Yamamoto. These collaborations have not only expanded her knowledge but have also facilitated the advancement of her research initiatives.
Conclusion
Midori Hirai stands out as an influential figure in the arena of polymer purification, with her patents reflecting her dedication to innovation. Through her work, she continues to pave the way for new advances in the science of polyethylene glycol, demonstrating the significant impact that skilled inventors can have on industry and academia alike.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile