Kazuhiko Yasohama

Title: Innovator Kazuhiko Yasohama: Pioneering Electromagnetic Inspection Technologies

Introduction: Kazuhiko Yasohama, based in Tokyo, Japan, is a distinguished inventor known for his innovative contributions to the field of electromagnetic induction inspection technologies. With a total of three patents to his name, Yasohama's work has significantly advanced methods for inspecting various materials with a high degree of accuracy and sensitivity.

Latest Patents: His latest patents include cutting-edge devices and methods that leverage electromagnetic induction for inspection purposes. One such innovation is the "Electromagnetic Induction Type Inspection Device and Method." This device allows for the inspection of any object, irrespective of its material, by placing it in a magnetic field generated from an alternating current applied to an exciting coil. The method precisely detects changes in voltage levels and phase shifts of electromotive force through a detection coil unit. The discrimination of the inspection object is performed by analyzing a direct current voltage value against a standard specimen and assessing the phase differential voltage regarding the phase difference between the voltage signal from the induction coil and the exciting current to the coil.

Another noteworthy patent is the "Electromagnetic Induction Inspection Apparatus and Method Employing," which highlights the relationship between the electromotive induction current and the varying frequencies of the applied alternating current. This method allows for a detailed analysis of an object's physical properties, dimensions, relative position, and internal defects, including cracks and pinholes, by examining the changes in amplitude and frequency phase of the detected current.

Career Highlights: Kazuhiko Yasohama has made a remarkable impact in his field, primarily through his role at Kaisei Engineer Co., Ltd. His innovative work in inspection technology has not only garnered patents but has also contributed to the advancement of quality assurance in various industries.

Collaborations: Yasohama has collaborated with notable colleagues, including Hiroaki Kohama and Hirofumi Takahashi. These collaborations have fostered an environment of innovation, allowing for the sharing of ideas and advancements in technology that drive their projects forward.

Conclusion: Kazuhiko Yasohama stands out as a key figure in the field of electromagnetic inspection technologies. Through his inventive spirit and commitment to quality, he continues to push the boundaries of what is possible in material inspection. His contributions through his patents advance the state of the art, benefiting industries that rely on precise inspection methods.