This inventor holds 5 USPTO granted patents. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1990-2000.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Itami, JP (1990 - 1992)
- Tokyo, JP (2000)
Company Filing History:
Years Active: 1990-2000
Title: Kazuyoshi Hasegawa: Innovator in Optical Semiconductor Technology
Introduction
Kazuyoshi Hasegawa is a prominent inventor based in Itami, Japan. He has made significant contributions to the field of optical semiconductor technology, holding a total of 5 patents. His work focuses on developing devices that enhance optical information processing.
Latest Patents
Hasegawa's latest patents include an integrated semiconductor light generating and detecting device. This optical semiconductor device is designed for optical information processing, such as writing and reading data from optical disks. It features a silicon substrate, a light-emitting element, and a reflector that directs light emitted from the element perpendicularly to the substrate's mounting surface. The reflector is crafted by etching a single crystal of silicon, with a reflecting surface inclined at 45 degrees.
Another notable patent is the semiconductor light-emitting device with partial encapsulation. This device provides optically undistorted light and consists of a semiconductor light-emitting element and at least one optical element. The light-emitting element and optical element are encased in a transparent resin, allowing light to travel along an optical path entirely within the resin before exiting the optical element.
Career Highlights
Kazuyoshi Hasegawa is associated with Mitsubishi Electric Corporation, where he continues to innovate in the field of semiconductor technology. His work has been instrumental in advancing optical devices that are crucial for modern data storage and retrieval systems.
Collaborations
Hasegawa has collaborated with notable colleagues such as Seiichi Nagai and Mitsuo Ishii. Their combined expertise has contributed to the development of cutting-edge technologies in the semiconductor industry.
Conclusion
Kazuyoshi Hasegawa's contributions to optical semiconductor technology have made a significant impact on the industry. His innovative patents reflect his dedication to advancing technology in this vital field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile