Morihisa Nishikawa

**Title: The Innovative Journey of Morihisa Nishikawa**

Introduction

Morihisa Nishikawa is a notable inventor based in Aichi, Japan, with a significant contribution to the field of electrical discharge machining. With a total of two patents to his name, Nishikawa has made strides in enhancing the precision and efficiency of machining processes.

Latest Patents

One of Nishikawa's latest inventions is the "Waveform control device for electrical discharge machining apparatus." This innovative device supplies current pulses to the gap between an electrode and a workpiece, facilitating the precise machining of various materials. The invention features a first D.C. source that is connected in parallel with circuits comprising a series connection of a switch and a diode. This design allows for the controlled discharge of current across the gap while ensuring that the output voltage remains at a safe level. The inclusion of variable inductances further enhances the control of discharge current shape, making this invention a significant advancement in electrical discharge machining techniques.

Another important patent is the "Electric discharge machining method and device," which demonstrates Nishikawa's ongoing commitment to improving machining technologies. These innovative methods are essential for enhancing manufacturing processes across various industries.

Career Highlights

Nishikawa has gained valuable experience through his work at prestigious companies, including Mitsubishi Denki Kabushiki Kaisha and Mitsubishi Denki K.K. His tenure at these organizations has provided him with the expertise and resources necessary to develop groundbreaking technologies in the field of electrical engineering.

Collaborations

Throughout his career, Morihisa Nishikawa has had the opportunity to work alongside esteemed colleagues, such as Yoshio Ozaki and Toshiaki Tanaka. These collaborations have undoubtedly enriched his inventive process, leading to the successful development of various patents and innovations.

Conclusion

Morihisa Nishikawa stands out in the realm of invention, particularly in electrical discharge machining. His patents not only showcase his ingenuity but also contribute significantly to advancements in manufacturing technology. As he continues to explore new avenues of innovation, the industry eagerly anticipates the impact of his future work.