Company Filing History:
Years Active: 2003
Title: Mari Matsuyoshi: Innovator in Electronic Device Technology
Introduction
Mari Matsuyoshi is a prominent inventor based in Yokohama, Japan. She has made significant contributions to the field of electronic devices, holding a total of 2 patents. Her work focuses on enhancing the reliability and efficiency of electronic components.
Latest Patents
Matsuyoshi's latest patents include an innovative electronic device and an optical transmission module. The electronic device features a unique design where terminals of a semiconductor integrated circuit chip and terminals of a circuit substrate are mounted with solder to face one another. This device incorporates a first resin positioned between the circuit substrate and the terminal formation face of the semiconductor integrated circuit chip, along with a second resin located at the outer perimeter of the chip. Notably, the modulus of elasticity of the second resin is smaller than that of the first resin, ensuring optimal performance at room temperature.
Another significant patent is related to a packaging structure and method for electronic parts. This invention allows for easy removal of a semiconductor integrated circuit chip while ensuring the reliability of flip-chip bonding. The method utilizes two types of resins—soluble and insoluble—for bonding the chip to a circuit board, enhancing the overall efficiency of electronic packaging.
Career Highlights
Matsuyoshi is currently employed at Hitachi, Ltd., where she continues to innovate and develop cutting-edge technologies in the electronics sector. Her work has been instrumental in advancing the capabilities of electronic devices, making them more reliable and efficient.
Collaborations
Throughout her career, Matsuyoshi has collaborated with notable colleagues, including Toyoki Asada and Yuji Fujita. These partnerships have contributed to her success and the development of her innovative technologies.
Conclusion
Mari Matsuyoshi is a trailblazer in the field of electronic device technology, with a focus on improving the reliability and efficiency of electronic components. Her contributions through her patents and work at Hitachi, Ltd. highlight her significant impact on the industry.