This inventor holds 1 USPTO granted patent. Top assignee: Okamoto Industries, Inc.. 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: Iwao Endo and His Condom Innovation.
Introduction
Iwao Endo is an inventor based in Tokyo, Japan, associated with Okamoto Industries, Inc. His patent work addresses condom design and lubricant performance.
Latest Patents
Endo is credited with 1 patent: “Condom and Method for Manufacturing Same.” The invention uses two lubricants with different properties. A higher-viscosity silicone oil is placed on the inner surface near the condom’s tip, while a second lubricant is applied to the outer surface of that area. This arrangement is intended to help prevent the first lubricant from losing viscosity during use and to improve adherence to the penis.
Career Highlights
Endo’s listed patent reflects work on improving condom functionality through the placement and selection of lubricants. He is associated with Okamoto Industries, Inc.
Collaborations
Yuuki Sayama is identified as Endo’s coworker.
Conclusion
Iwao Endo’s patent describes a lubricant arrangement designed to support condom adherence and maintain lubricant performance during use.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile