This inventor holds 5 USPTO granted patents. Top assignees: Sumitomo Metal Industries, Inc., Hitachi, Ltd., Sumitomo Kinzoku Kogyo Kabushiki Kaisha. Active years: 1981-1984.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Akashi, JP (1981 - 1982)
- Amagasaki, JP (1981 - 1984)
Company Filing History:

Years Active: 1981-1984
Title: Hisao Yamaguchi: Innovator in Electromagnetic-Acoustic Technology
Introduction
Hisao Yamaguchi is a notable inventor based in Amagasaki, Japan. He has made significant contributions to the field of electromagnetic-acoustic technology, holding a total of 5 patents. His work has advanced the methods of non-contact ultrasonic flaw detection, showcasing his expertise and innovative spirit.
Latest Patents
One of Hisao Yamaguchi's latest patents is an electromagnetic-acoustic measuring apparatus. This apparatus features an exciting coil wound around a body to generate a magnetic field within the body, aligned parallel to the surface. A transmitting coil generates mechanical strain in the surface of the body using this magnetic field, while a receiving coil detects the mechanical strain after it has propagated through the body. The exciting coil is enclosed with a separable core, and the transmitting and receiving coils are supported by pole pieces fixed to the core. Additionally, these components are water-cooled through cooling pipes. Another significant patent is a method and apparatus for non-contact ultrasonic flaw detection, which further emphasizes his innovative contributions to the field.
Career Highlights
Throughout his career, Hisao Yamaguchi has worked with prominent companies such as Sumitomo Metal Industries, Inc. and Hitachi, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies.
Collaborations
Hisao Yamaguchi has collaborated with notable coworkers, including Kazuo Fujisawa and Toshio Shiraiwa. These partnerships have likely fostered an environment of innovation and creativity, leading to the development of advanced technologies.
Conclusion
Hisao Yamaguchi's contributions to electromagnetic-acoustic technology and his impressive portfolio of patents highlight his role as a significant inventor in the field. His work continues to influence advancements in non-contact ultrasonic flaw detection and related technologies.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile