Company Filing History:
4 out of 42,508 
1 out of 222 Years Active: 1986-1997
Title: Kazunori Koga: Innovator in Ultrasonic Inspection Technology
Introduction
Kazunori Koga is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of ultrasonic inspection technology, holding a total of 4 patents. His work focuses on developing advanced apparatuses for detecting flaws in multi-layer structures, which are crucial in various industrial applications.
Latest Patents
One of Koga's latest patents is an "Ultrasonic flaw detecting apparatus for inspecting multi-layer structure." This innovative device efficiently detects flaws located deep within multi-layer structures. It features a first sensor that transmits ultrasonic waves into layers with different properties, a function generator for creating pulse-shaped sine waves, and a power amplifier to enhance the signal. Additionally, it includes multiple sensors and amplifiers to receive and process echoes from both boundaries and flaws, along with a control unit for data management.
Another notable patent is the "Apparatus and method for sending out and receiving ultrasonic wave." This technology employs a linear array of acoustic transmitters and receivers positioned next to a workpiece. By connecting an alternating potential source to some transmitters, it projects acoustic waves toward specific zones of the workpiece. The connections are then automatically altered to facilitate comprehensive scanning of the workpiece.
Career Highlights
Kazunori Koga has worked with esteemed companies such as Hitachi, Ltd. and Babcock-Hitachi Kabushiki Kaisha. His experience in these organizations has allowed him to refine his expertise in ultrasonic technology and contribute to various innovative projects.
Collaborations
Throughout his career, Koga has collaborated with notable colleagues, including Satoshi Ogura and Fuminobu Takahashi. These partnerships have fostered a collaborative environment that has led to significant advancements in ultrasonic inspection methods.
Conclusion
Kazunori Koga's contributions to ultrasonic inspection technology have established him as a key figure in the field. His innovative patents and collaborative efforts continue to influence the industry, showcasing the importance of advancements in flaw detection technology.