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: Tatsuhiko Ueno: Inventor of a Stereoselective Pyridone Preparation Process.
Introduction
Tatsuhiko Ueno is an inventor associated with Toyonaka, 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
Ueno is credited with 1 patent: “Stereoselective Process for Preparing Substituted Polycyclic Pyridone.” The invention describes an industrially suitable method for preparing intermediates for compounds with cap-dependent endonuclease inhibitory activity. It uses controlled intramolecular cyclization to produce an optically active substituted tricyclic pyridone derivative with high yield and high enantioselectivity, followed by removal of a functional group from an asymmetric carbon.
Career Highlights
Ueno’s listed patent reflects work on stereoselective chemical synthesis and the preparation of pharmaceutical intermediates. He is associated with Shionogi & Co., Ltd.
Collaborations
Kazuya Okamoto and Yoshio Hato are identified as Ueno’s coworkers. The available information does not specify their roles in the patent or the invention.
Conclusion
Tatsuhiko Ueno’s patent documents a stereoselective process designed to support the industrial preparation of intermediates for substituted polycyclic pyridone derivatives.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile