This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Rohm Gmbh. 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: Toyokazu Katsumi: Inventor of an Overcurrent Protection Circuit
Introduction
Toyokazu Katsumi is an inventor associated with Kyoto, Japan, and Rohm GmbH. His patent work includes a power-supply protection design intended to limit current during overcurrent conditions.
Latest Patents
The provided information lists one patent for Katsumi: “Overcurrent Protection Circuit and Power Supply Device.” The invention uses first and second mirror transistors to generate mirror currents, along with a resistor and a current restriction unit. The restriction unit controls the first drive signal so that the combined sense current does not exceed a predetermined upper limit. This approach is designed to provide overcurrent protection in a power supply device.
Career Highlights
Katsumi’s listed patent reflects work on circuit protection and power-supply technology. The available information identifies Rohm GmbH as his company and records 1 patent.
Collaborations
The provided information names Tatsuya Okada and Atsuhiro Watanabe as Katsumi’s coworkers. It does not specify whether they collaborated with him on the listed patent.
Conclusion
Toyokazu Katsumi’s recorded invention focuses on limiting sense current to help protect power-supply circuitry from overcurrent conditions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile