Mutsumi Suematsu

Title: The Innovative Mind of Mutsumi Suematsu

Introduction

Mutsumi Suematsu is a notable inventor based in Yokohama, Japan, recognized for his contributions to the field of semiconductor devices and motor-driving circuits. With a total of three patents to his name, Suematsu continues to push the boundaries of technology through innovative designs and methods.

Latest Patents

Suematsu's latest patents include an "Optically Coupled Semiconductor Device and Method for Manufacturing the Same." This invention features a mount electrode and wire electrode on the first wiring substrate, with a light-emitting element connected to these electrodes. The second wiring substrate contains a first and second electrode pad surrounding an opening, with a photo-receptor element positioned to block this opening, thereby enhancing the functionality of the optical coupling device.

Another significant patent is a "Motor-Driving Circuit and Wire-Bonding Apparatus." This device is designed for motors utilizing a rotor with a permanent magnet and three-phase windings. The circuit includes features for short-circuiting leads from the windings, incorporating a rotational position detector and control circuit to maintain precise motor positioning according to external inputs.

Career Highlights

Mutsumi Suematsu works with Kabushiki Kaisha Toshiba, a leading technology company in Japan, where he applies his inventive skills to various projects. His expertise in designing semiconductor devices and motor-driving systems has positioned him as an influential figure in the field.

Collaborations

Throughout his career, Suematsu has collaborated with talented colleagues including Noriyasu Kashima and Kazumi Ohtani. Ohtani, notable for her contributions as a woman in the technology sector, complements Suematsu's work, showcasing the power of teamwork in innovative developments.

Conclusion

Mutsumi Suematsu's inventive spirit and contributions to technology are evident through his patents and collaborative efforts. His work at Toshiba and partnership with other skilled professionals highlight the importance of innovation in driving advancements in semiconductor technology and motor systems. As he continues to develop new ideas, Suematsu remains a vital player in the world of patents and inventions.