Location History:
- Saitama, JP (2007)
- Kumagaya, JP (2006 - 2014)
Company Filing History:
4 out of 8,780 
2 out of 39 
2 out of 6 
Years Active: 2006-2014
Title: The Innovative Contributions of Motoaki Wakui
Introduction
Motoaki Wakui, based in Kumagaya, Japan, is a notable inventor holding five patents in the field of semiconductor technology. His work significantly contributes to advancements in manufacturing techniques and material cost reduction, particularly in semiconductor devices.
Latest Patents
One of Motoaki Wakui's latest patents is a semiconductor device that features a copper wire ball-bonded to an electrode pad, incorporating a buffer layer. This innovative semiconductor element is affixed to an island with through-holes formed around the secured area, allowing for efficient electrical connections using copper wires instead of gold. This design not only reduces material costs but also enhances the structural support of the island within the resin package.
Another recent patent focuses on a semiconductor device with a recess portion over the pad electrode. This manufacturing method optimizes the yield and reliability of chip-sized packages by ensuring that a window exposing the first wirings is formed precisely where needed. Such improvements lead to better adhesion of the semiconductor substrate to the supporting body, thus minimizing the risks of cracks and separation during the dicing process.
Career Highlights
Motoaki Wakui has worked for prominent companies such as Sanyo Electric Co., Ltd. and Kanto Sanyo Semiconductor Co., Ltd. Throughout his career, he has been a key player in developing innovative semiconductor solutions, showcasing his expertise and commitment to enhancing technology in his field.
Collaborations
During his career, Wakui has collaborated with esteemed colleagues, including Takashi Noma and Yoshinori Seki. These partnerships have fostered a creative environment conducive to innovation, allowing for the exchange of ideas and technological advancements in semiconductor design and manufacturing.
Conclusion
Motoaki Wakui’s contributions to the field of semiconductor technology through his patent innovations illustrate his remarkable skill and dedication as an inventor. His work continues to inspire advancements in the industry, proving the significant impact of innovative thinking in technology development.