This inventor holds 5 USPTO granted patents and 1 EPO patent. Top assignee: Takasago International Corporation. Active years: 1994-2009.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Tokyo, JP (1994 - 1996)
- Shizuoka, JP (1998)
- Kanagawa, JP (1997 - 2009)
Company Filing History:
Years Active: 1994-2009
Title: Akifumi Yoshida: Innovator in Chemical Production
Introduction
Akifumi Yoshida is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of chemical production, holding a total of 5 patents. His work focuses on innovative methods for synthesizing important chemical compounds.
Latest Patents
One of his latest patents is a method for producing alcohols. This method involves reducing esters or lactones with hydrogen gas in the presence of a catalyst that includes a ruthenium compound, a monodentate monophosphine or a bidentate bisphosphine, and an amine. The catalyst can be represented by a specific formula involving ruthenium complexes. Another significant patent is for a phosphine-phosphinite compound, which is useful as a catalyst for asymmetric hydroformylation. This compound allows for the synthesis of important intermediates for carbapenem antibiotics with high regioselectivity and diastereo-selectivity.
Career Highlights
Akifumi Yoshida is currently employed at Takasago International Corporation, where he continues to innovate in the field of chemical production. His work has been instrumental in advancing methods that enhance the efficiency and effectiveness of chemical synthesis.
Collaborations
He has collaborated with notable coworkers, including Takashi Miura and Toshiyuki Murayama, contributing to various projects that push the boundaries of chemical research.
Conclusion
Akifumi Yoshida's contributions to the field of chemical production through his innovative patents and collaborations highlight his role as a significant inventor. His work continues to impact the industry positively.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile