Location History:
- Kawasaki, JP (1978)
- Yokohama, JP (1988)
Company Filing History:
2 out of 2,509 
1 out of 52,730 
1 out of 2,271 
Years Active: 1978-1988
Title: The Innovations of Tadashi Koizumi
Introduction
Tadashi Koizumi is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of optical sensors and lubrication systems. With a total of 3 patents to his name, his work reflects a commitment to advancing technology in practical applications.
Latest Patents
One of Koizumi's latest patents is a fiber optical rotation sensor utilizing the Sagnac phase difference. This invention involves a laser wave emitted from a laser diode, which is guided into a one-directional optical coupler. The coupler splits the laser wave into two, allowing them to propagate in opposite directions within an optical fiber loop. The phases of these laser waves are modulated by a phase modulation signal, and the resulting interference laser wave is processed to extract the Sagnac phase difference.
Another significant patent is a method and system for lubrication. This invention addresses the lubrication of mechanical systems operating under severe conditions. It includes a lubricating oil feeding device, an extracting device, and a control system that analyzes the properties of the extracted oil. The system ensures that new lubricating oil is fed into the system as needed, maintaining optimal performance.
Career Highlights
Throughout his career, Tadashi Koizumi has worked with prominent companies such as Ebara Corporation and Toshiba Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.
Collaborations
Koizumi has collaborated with notable coworkers, including Toshiya Kinoshita and Mitsuaki Iino. These partnerships have fostered a creative environment that has led to the development of groundbreaking inventions.
Conclusion
Tadashi Koizumi's contributions to the fields of optical sensors and lubrication systems demonstrate his innovative spirit and dedication to technology. His patents reflect a deep understanding of practical applications that enhance mechanical performance.