This inventor holds 1 USPTO granted patent. Top assignees: Kabushiki Kaisha Toshiba, Toshiba Electronic Devices & Storage Corporation. 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:
1 out of 53,286 
1 out of 1,715 Years Active: 2026
Title: Eriko Shigesawa: Semiconductor Device Inventor
Introduction
Eriko Shigesawa is an inventor associated with Tokyo, Japan. Her patent work includes an invention concerning semiconductor-device circuitry and control.
Latest Patents
The provided information lists one patent for Shigesawa: “Semiconductor device.” The patent describes a device with a first terminal that receives an external control signal and a first circuit that switches according to the signal’s logic level. The first circuit controls the slew rate of its output voltage during a transition between states. A second circuit includes a switch connected to the first node and a second voltage, and controls that switch based on the voltage at a second node. Shigesawa is credited with 1 patent in the information provided.
Career Highlights
Shigesawa is associated with Kabushiki Kaisha Toshiba and Toshiba Electronic Devices & Storage Corporation. The available details do not specify her roles or the dates of those associations.
Collaborations
Akio Ogura is identified as Shigesawa’s coworker. The provided information does not describe a specific joint patent or project.
Conclusion
Eriko Shigesawa’s listed patent reflects work on semiconductor circuitry that manages switching behavior and output-voltage slew rate.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile