This inventor holds 1 USPTO granted patent. Top assignee: Shionogi & Co., Ltd.. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Shohei Majima: Inventor in Pharmaceutical Process Chemistry.
Introduction
Shohei Majima is an inventor associated with Amagasaki, Japan, and Shionogi & Co., Ltd. His patent work concerns a process for preparing intermediates used in the production of substituted polycyclic pyridone derivatives.
Latest Patents
Majima is named on 1 patent: “Stereoselective Process for Preparing Substituted Polycyclic Pyridone.” The invention describes an industrially suitable method for producing intermediates for compounds with cap-dependent endonuclease inhibitory activity. It uses stereochemistry-controlled intramolecular cyclization to form an optically active substituted tricyclic pyridone derivative in high yield and with high enantioselectivity, followed by removal of a functional group from an asymmetric carbon.
Career Highlights
The patent reflects work on stereoselective synthesis and the preparation of pharmaceutical intermediates. The disclosed process aims to support efficient production of substituted polycyclic pyridone derivatives.
Collaborations
Majima’s listed coworkers include Kazuya Okamoto and Tatsuhiko Ueno. The patent is associated with Shionogi & Co., Ltd.
Conclusion
Shohei Majima’s patent highlights a stereoselective approach to preparing pharmaceutical intermediates and documents his contribution to process innovation at Shionogi & Co., Ltd.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile