Location History:
- Kanagawa, JP (1993)
- Kawasaki, JP (1989 - 2001)
- Ibaraki, JP (2013)
- Tsukuba, JP (2004 - 2016)
Company Filing History:
13 out of 52,711 
2 out of 1,710 
1 out of 101 Years Active: 1989-2016
Title: Yasuhiro Yamaji: Innovator in Electroless Gold Plating Solutions
Introduction
Yasuhiro Yamaji is a prominent inventor based in Kawasaki, Japan. He holds a total of 16 patents, showcasing his significant contributions to the field of semiconductor technology and materials science. His innovative work primarily focuses on electroless gold plating solutions and their applications in semiconductor devices.
Latest Patents
Yamaji's latest patents include an electroless gold plating solution designed for forming fine gold structures. This solution allows for the rapid filling of openings in a resist overlying a substrate, particularly those with widths on the order of micrometers, specifically 100 micrometers or smaller. The solution contains a deposition accelerator that enables the formation of microfine patterns. Another notable patent involves an electrode connection structure for semiconductor chips, which aims to achieve reliable electrical connections with low stress without the need for bumps. This innovative structure allows for the arrangement of semiconductor chips in layers without requiring through vias, enhancing the efficiency of semiconductor devices.
Career Highlights
Throughout his career, Yasuhiro Yamaji has worked with esteemed organizations such as Toshiba Corporation and the National Institute of Advanced Industrial Science and Technology. His experience in these institutions has significantly contributed to his expertise in semiconductor technology and materials innovation.
Collaborations
Yamaji has collaborated with notable colleagues, including Naohiko Hirano and Tokihiko Yokoshima. Their joint efforts have further advanced the research and development of innovative technologies in the semiconductor field.
Conclusion
Yasuhiro Yamaji's contributions to the field of electroless gold plating and semiconductor technology are noteworthy. His innovative patents and collaborations reflect his commitment to advancing technology and improving manufacturing processes. His work continues to influence the industry and inspire future innovations.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.