This inventor holds 1 USPTO granted patent. Top assignee: Sumitomo Electric Device Innovations, 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: Seiya Takashima: Semiconductor Device Inventor
Introduction
Seiya Takashima is an inventor associated with Coppell, Texas, and Sumitomo Electric Device Innovations, Inc. His patent work addresses semiconductor packaging and the electrical performance of output connections.
Latest Patents
Takashima is credited with 1 patent: “Output Matching Network to Reduce Self and Mutual Inductances of Output Inductive Components in a Cavity Package.” The invention describes a semiconductor device with a transistor die and a separate substrate positioned inside a cavity package. Shunt and output wires connect the transistor’s output to the substrate and an output lead. Their placement and shape are designed to reduce self-inductance and mutual inductance, supporting improved output matching.
Career Highlights
Takashima’s listed patent reflects work on the design of semiconductor devices and cavity packages. The invention focuses on managing inductance in output connections through the arrangement of wires and package components.
Collaborations
The patent is associated with Sumitomo Electric Device Innovations, Inc., connecting Takashima’s inventive work with the company’s semiconductor-device activities.
Conclusion
Seiya Takashima’s patent centers on reducing unwanted inductance in a cavity-packaged semiconductor device through carefully designed output connections.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile