Katsumi Yasunaka

Title: Katsumi Yasunaka: Innovator in Electrostatic Discharge Protection

Introduction

Katsumi Yasunaka is a notable inventor based in Nagaokakyo, Japan. He has made significant contributions to the field of electrostatic discharge (ESD) protection devices. With a total of 4 patents to his name, Yasunaka continues to push the boundaries of innovation in this critical area of technology.

Latest Patents

Yasunaka's latest patents include an electrostatic discharge protection device and a method of manufacturing the same. This ESD protection device features an insulating substrate, first and second discharge electrodes that are in contact with the substrate, and are separated from each other while opposing one another. Additionally, it includes first and second outer electrodes on the outside surface of the insulating substrate, with the first outer electrode connected to the first discharge electrode and the second outer electrode connected to the second discharge electrode. A discharge auxiliary electrode spans the first and second discharge electrodes in the region where they oppose each other. This auxiliary electrode comprises semiconductor particles and metal particles, with an average particle diameter of the metal particles ranging from about 0.3 μm to about 1.5 μm. The density of the metal particles is greater than or equal to about 20 particles per 50 μm, while the semiconductor particles feature an oxygen-containing layer on their surfaces. Another patent describes an ESD protection device that includes a bare unitary body, with the first and second discharge electrodes disposed inside it. The design allows for a gap between the electrodes, enhancing the device's effectiveness.

Career Highlights

Yasunaka is currently employed at Murata Manufacturing Co., Ltd., a leading company in the electronics industry. His work focuses on developing innovative solutions for ESD protection, which is crucial for safeguarding electronic components from damage caused by static electricity.

Collaborations

Yasunaka has collaborated with several talented individuals in his field, including Jun Adachi and Takahiro Sumi. These collaborations have contributed to the advancement of ESD protection technologies.

Conclusion

Katsumi Yasunaka is a prominent inventor whose work in electrostatic discharge protection devices has made a significant impact in the electronics industry. His innovative patents and collaborations highlight his commitment to advancing technology in this essential area.