Location History:
- Tokyo, JP (1987 - 1989)
- Kanagawaken, JP (1998)
- Kawasaki, JP (1989 - 2002)
Company Filing History:
Years Active: 1987-2002
Title: Kiyoshi Iyogi: Innovator in Ceramic Circuit Board Technology
Introduction
Kiyoshi Iyogi is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of electronic components, particularly in the development of ceramic circuit boards. With a total of 14 patents to his name, Iyogi's work has greatly influenced the reliability and efficiency of electronic devices.
Latest Patents
One of Iyogi's latest patents is for a ceramic circuit board that features a ceramic substrate and a metal circuit plate bonded through a brazing material layer. This innovative design utilizes an Al–Si group brazing material, with the amount of silicon limited to 7 wt % or less. The structure is enhanced by the inclusion of thinned portions, holes, or grooves in the outer peripheral portion of the metal circuit plate. This invention provides a ceramic circuit board that boasts high bonding strength and exceptional heat-cycle resistance, thereby increasing the operational reliability of electronic devices.
Another notable patent focuses on electronic components and their connecting structures. This invention addresses semiconductor packages and chips that utilize groups of connecting bumps with varying melting points or mechanical strengths. By incorporating high-temperature solder and In type solder, Iyogi's design ensures that the connecting parts maintain their integrity and reliability without compromising the number of input and output terminals.
Career Highlights
Kiyoshi Iyogi is associated with Kabushiki Kaisha Toshiba, a leading company in the electronics industry. His work at Toshiba has allowed him to push the boundaries of innovation in electronic component design. His patents reflect a deep understanding of the challenges faced in the industry and a commitment to developing solutions that enhance performance.
Collaborations
Throughout his career, Iyogi has collaborated with notable colleagues such as Nobuo Iwase and Takaaki Yasumoto. These partnerships have fostered a creative environment that has led to groundbreaking advancements in technology.
Conclusion
Kiyoshi Iyogi's contributions to the field of electronic components, particularly through his innovative patents, have established him as a key figure in the industry. His work continues to influence the design and reliability of electronic devices, showcasing the importance of innovation in technology.