Location History:
- Ota, JP (2009)
- Gunma, JP (2001 - 2011)
- Nitta-machi, JP (2005 - 2011)
- Nitta-gun, JP (2010 - 2012)
Company Filing History:
16 out of 8,780 
1 out of 39 
1 out of 6 
Years Active: 2001-2012
Title: **Yukihiro Takao: Innovator in Semiconductor Technology**
Introduction
Yukihiro Takao is a prolific inventor based in Nitta-machi, Japan, credited with 18 patents in the field of semiconductor technology. His innovations focus on enhancing the reliability and manufacturing processes of semiconductor devices, showcasing his significant contributions to the industry.
Latest Patents
Among his latest patents, Yukihiro Takao introduced a method of manufacturing a ball grid array (BGA) type semiconductor device. This innovation offers high reliability by forming a pad electrode on the surface of a semiconductor substrate, which is further bonded to a glass substrate. A via hole is created from the back surface of the semiconductor substrate, reaching the pad electrode, and an insulation film is formed over the entire back surface. The method also includes etching to create a connection through a cushioning pad, ultimately allowing the semiconductor substrate to be separated into multiple semiconductor dice.
Another notable patent pertains to a manufacturing method of a semiconductor device with smoothing, which reduces costs and enhances reliability for chip-scale package (CSP) type devices. This involves bonding a supporting glass substrate to a semiconductor wafer, reducing the wafer's thickness by back-grinding, and applying a series of wet-etching processes to improve the device's yield and reliability.
Career Highlights
Yukihiro Takao has worked with several prestigious companies throughout his career, including Sanyo Electric Co., Ltd. and Kanto Sanyo Semiconductors Co., Ltd. His tenure at these companies allowed him to hone his skills and contribute significantly to the advancement of semiconductor technologies.
Collaborations
Throughout his career, Takao has collaborated with various talented professionals, including colleagues Takashi Noma and Hiroyuki Shinogi. These collaborations have fostered an environment of innovation, leading to advancements in semiconductor device manufacturing.
Conclusion
Yukihiro Takao's innovative contributions to the semiconductor industry underscore his dedication to improving device reliability and manufacturing efficiency. With a total of 18 patents to his name, his work continues to influence the field, demonstrating the important role of inventors in driving technological progress.