Location History:
- Yokohama, JP (1992)
- Kawasaki, JP (1996 - 2005)
Company Filing History:
14 out of 39,244 
2 out of 36 
2 out of 12 Years Active: 1992-2005
Title: **Ichiro Yamaguchi: Innovator in Semiconductor Technologies**
Introduction
Ichiro Yamaguchi is a renowned inventor based in Kawasaki, Japan, holding an impressive portfolio of 14 patents. His contributions to the fields of semiconductor technology and material science have significantly advanced the development of electronic components.
Latest Patents
Among his latest innovations are two noteworthy patents:
1. **Formation of Solder Balls Having Resin Member as Reinforcement** - This patent describes a method for forming solder balls, which involves creating an electrode pad on a substrate, applying an insulating layer with an opening, and filling it with a solder paste that includes both solder and resin. The process culminates in heating to create a solder ball that also incorporates a cured resin member, enhancing the reliability of the connection.
2. **Method of Making Semiconductor Device** - In this patent, Yamaguchi outlines a process for fabricating semiconductor devices, featuring multiple steps such as forming a resin film over electrode portions, creating openings in the film, and subsequently loading and heating bump material to form effective electrical connections.
Career Highlights
Ichiro Yamaguchi has had a distinguished career, including notable roles at Fujitsu Corporation and Kyushu Fujitsu Electronics Limited. His work in these companies has been pivotal to his development as an inventor tackling complex technological challenges.
Collaborations
Throughout his career, Yamaguchi has collaborated with esteemed colleagues, including Koki Otake and Michio Sono. These partnerships have facilitated innovation and the sharing of knowledge within the semiconductor industry, contributing to the successful outcomes of various projects.
Conclusion
Ichiro Yamaguchi’s innovative spirit and dedication to advancing technology are reflected in his significant contributions to semiconductor processes. His patents not only exemplify his expertise but also play a crucial role in the ongoing evolution of electronic device manufacturing. With each new invention, he continues to influence the landscape of technology, making a lasting impact on the industry.