This inventor holds 1 USPTO granted patent. Top assignee: Yoshino Kogyosho., 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: Koji Watase and His Patent for a Liquid Container.
Introduction
Koji Watase is an inventor based in Tokyo, Japan. His work includes an invention designed to make liquid containers easier to sort and dispose of while helping prevent liquid from dripping outside the container.
Latest Patents
Watase is associated with 1 patent: “Liquid Container and Liquid Container with Content Liquid.” The invention describes a container body that holds liquid, a tubular nozzle that guides it outward, and a recovery channel that returns liquid from around the nozzle to the container’s interior. These components are formed together through integral molding.
Career Highlights
Watase is associated with Yoshino Kogyosho Co., Ltd. His patented container design addresses practical concerns in liquid dispensing and disposal.
Collaborations
Watase’s listed coworkers include Yusuke Ishii and Hiromichi Saito.
Conclusion
Koji Watase’s patent presents an integrated liquid-container design intended to reduce dripping and simplify sorting and disposal.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile