This inventor holds 1 USPTO granted patent. Top assignee: Hitachi Cable, Inc.. Active years: 1990.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1990
Title: Innovations of Toshio Sagawa in LED Technology
Introduction
Toshio Sagawa is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the development of light-emitting diodes (LEDs). His innovative work has led to advancements that enhance the efficiency and functionality of LED applications.
Latest Patents
One of Sagawa's key patents is for a light-emitting diode array chip and the method of fabricating the same. This patent describes an LED array chip that consists of a first semiconductor layer with p-type conduction and a second semiconductor layer with n-type conduction. The second layer has a forbidden band width smaller than the first layer and is positioned on top of the first layer, forming a semiconductor chip with a pn junction. The design includes individual plural LEDs of predetermined configuration, with specific regions etched to create a common region for enhanced performance. This innovative approach allows for efficient light emission and integration with printed circuit boards.
Career Highlights
Sagawa is associated with Hitachi Cable, Inc., where he has been instrumental in advancing LED technology. His work has not only contributed to the company's portfolio but has also positioned Hitachi as a leader in semiconductor innovations. With a focus on practical applications, Sagawa's inventions have paved the way for improved lighting solutions in various industries.
Collaborations
Sagawa has collaborated with Kazuhiro Kurata, another expert in the field, to further enhance the development of LED technologies. Their combined efforts have led to significant advancements in the efficiency and design of LED products.
Conclusion
Toshio Sagawa's contributions to LED technology exemplify the impact of innovative thinking in the semiconductor industry. His patent for the light-emitting diode array chip showcases his commitment to advancing technology for practical applications. Through his work at Hitachi Cable, Inc., Sagawa continues to influence the future of lighting solutions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile