Hiroshi Koh

Title: Innovations of Hiroshi Koh

Introduction

Hiroshi Koh is a notable inventor based in Kyoto, Japan. He has made significant contributions to the field of electrical engineering, particularly in the areas of diagnostic methods and seismic detection. With a total of three patents to his name, Koh's work reflects a commitment to advancing technology and improving safety.

Latest Patents

One of Koh's latest patents is a harmonic diagnosing method for electric facilities. This invention relates to diagnosing deterioration in electric motors and inverters by comparing an index value derived from the relative harmonic content of current harmonics with a predetermined criteria value. The method allows for distinguishing the degrees of deterioration and identifying specific harmonic orders that indicate issues within the electric components. Another significant patent is for an improved seismic detector. This device includes a container filled with liquid, a light source for illumination, and a photoelectric sensor that transforms light into electric signals. The signal processor generates an output when the sensor's readings exceed a predetermined threshold, enhancing the detection of seismic activity.

Career Highlights

Throughout his career, Hiroshi Koh has worked with prominent companies such as Fujitec Co., Ltd. and Atec Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative solutions in electrical engineering.

Collaborations

Koh has collaborated with notable colleagues, including Suteo Tsutsumi and Takashi Tokuyama. Their combined efforts have likely fostered advancements in their respective fields.

Conclusion

Hiroshi Koh's contributions to innovation in electrical engineering are evident through his patents and professional collaborations. His work continues to influence the industry and enhance technological safety and efficiency.