Makoto Iwakiri

Title: Makoto Iwakiri: Innovator in Iron-Based Magnetic Powders

Introduction

Makoto Iwakiri is a notable inventor based in Matsudo, Japan. He has made significant contributions to the field of magnetic materials, particularly through his innovative work on iron-based soft magnetic powders. With a total of 4 patents to his name, Iwakiri's inventions have advanced the technology used in various applications.

Latest Patents

Iwakiri's latest patents include an iron-based soft magnetic powder for dust cores and a method for its production. This innovative powder features layers of phosphoric acid-based film and silicone resin film on its surface. The phosphoric acid-based film contains elements such as cobalt, sodium, sulfur, silicon, and tungsten. This design effectively maintains insulation among iron powder particles, enhances mechanical strength, and provides good thermal stability necessary for electrical insulating properties, even after high-temperature heat treatment. Another significant patent involves an iron-base powder for powder cores, which allows for a reduction in coercivity and hysteresis loss by ensuring that 70% or more of the measured crystal grains have a size of 50 micrometers or more.

Career Highlights

Throughout his career, Makoto Iwakiri has worked with prominent companies such as Kobe Steel, Ltd. and Hitachi Powdered Metals Co., Ltd. His experience in these organizations has contributed to his expertise in the development of advanced magnetic materials.

Collaborations

Iwakiri has collaborated with notable colleagues, including Hiroyuki Mitani and Nobuaki Akagi. These partnerships have likely fostered innovation and the exchange of ideas in the field of magnetic materials.

Conclusion

Makoto Iwakiri's contributions to the development of iron-based magnetic powders have made a significant impact in the industry. His innovative patents and collaborations highlight his role as a leading inventor in this specialized field.