This inventor holds 2 USPTO granted patents. Top assignee: Matsushita Electric Works, Ltd.. Active years: 1991-2002.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kadoma, JP (1991)
- Soraku, JP (2002)
Company Filing History:
Years Active: 1991-2002
Title: Kazushi Tomii: Innovator in Semiconductor Technology
Introduction
Kazushi Tomii is a notable inventor based in Soraku, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 2 patents. His work focuses on improving the efficiency and reliability of semiconductor devices.
Latest Patents
One of Kazushi Tomii's latest patents is a light responsive semiconductor switch with shorted load protection. This innovative switch is designed to successfully interrupt a load overcurrent. It includes an output transistor triggered by a photovoltaic element to connect a load to a power source. An overcurrent sensor provides a signal when an overcurrent condition is detected. The design incorporates a shunt transistor connected in series with a current limiting resistive element, which helps to manage the current flow effectively. A latch circuit is also included to maintain the interruption signal, ensuring reliable overcurrent interruption.
Another significant patent is a semiconductor device that features a high specific resistance zone between the anode and cathode zones. This design includes a lattice defect zone in the anode zone, which shortens the turn-off time of the device, even at elevated temperatures. These advancements contribute to the overall performance and reliability of semiconductor devices.
Career Highlights
Kazushi Tomii is currently employed at Matsushita Electric Works, Ltd., where he continues to innovate in the semiconductor field. His work has garnered attention for its practical applications and improvements in technology.
Collaborations
Kazushi has collaborated with notable coworkers, including Takuya Komoda and Toshiroh Abe. Their combined expertise has contributed to the successful development of innovative semiconductor technologies.
Conclusion
Kazushi Tomii's contributions to semiconductor technology through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence advancements in the industry, showcasing the importance of innovation in technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile