This inventor holds 1 USPTO granted patent. Top assignee: Asahi Kogaku Kogyo Kabushiki Kaisha. Active years: 1976.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1976
Title: Katsuaki Ohashi: Inventor of a Roll Film Winding Mechanism
Introduction
Katsuaki Ohashi is an inventor associated with Shiki, Japan, and Asahi Kogaku Kogyo Kabushiki Kaisha. His recorded patent concerns a mechanism designed to wind roll film securely while protecting it from light intrusion and accidental exposure.
Latest Patents
Ohashi’s listed patent is “Roll Film Winding Mechanism.” It describes a tension roller positioned between a film-guiding support and a winding spool. The roller applies controlled tension to the film and its protective liner paper while curling their longitudinal edges inward toward the spool shaft. This arrangement helps the materials wind securely and maintain a light seal. Ohashi is credited with 1 patent.
Career Highlights
The available information connects Ohashi’s inventive work with Asahi Kogaku Kogyo Kabushiki Kaisha. His patent addresses practical challenges in film handling, including consistent winding tension and protection against unwanted light exposure.
Collaborations
Hirao Monde is identified as Ohashi’s coworker. The available details do not specify whether they collaborated on the roll film winding mechanism.
Conclusion
Katsuaki Ohashi’s recorded invention focuses on improving the reliability of roll film winding by combining controlled tension with a design intended to protect film from light.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile