Location History:
- Kawagoe, JP (1993)
- Komoro, JP (1991 - 1999)
- Sayama, JP (1997 - 2004)
- Tokyo, JP (2007 - 2014)
Company Filing History:
9 out of 42,496 
6 out of 30 
3 out of 35 
Years Active: 1991-2014
Title: Innovator Seiichiro Tsukui: Pioneering Advances in Semiconductor Technology
Introduction: Seiichiro Tsukui, an accomplished inventor based in Sayama, Japan, has made significant contributions to the field of semiconductor technology. With a total of 16 patents to his name, Tsukui’s work focuses on improving the performance and efficiency of semiconductor devices. His latest patents exemplify his commitment to innovation and excellence in engineering.
Latest Patents: Tsukui's most recent patents include groundbreaking developments such as a "Semiconductor device and method for manufacturing the same." This invention involves a POP type semiconductor device featuring a stacked structure, where a second semiconductor package is positioned above a first semiconductor package. In this design, multiple main surface-side lands are strategically distributed on both sides of a chip mounting region, facilitating the adoption of a through molding method. As a result, the first sealing body extends effectively across the main surface of the wiring substrate.
Another notable patent is the "Mounting structure for semiconductor parts and semiconductor device," which introduces a novel interposer used to space semiconductor components, like chip resistors, between a BGA (Ball Grid Array) and a mounting substrate. This innovative interposer not only maintains the necessary distance between the mounting substrate and the BGA but also ensures effective electrical connection between the components.
Career Highlights: Throughout his career, Tsukui has collaborated with prominent organizations, notably Hitachi, Ltd. and Hitachi Tobu Semiconductor. His experiences in these esteemed companies have allowed him to refine his skills and develop innovative semiconductor solutions that drive advancements in technology.
Collaborations: Seiichiro Tsukui has worked alongside talented professionals such as Toshio Sugano and Kensuke Tsuneda, whose collaboration has resulted in dynamic and cutting-edge patented technologies in the semiconductor domain. These partnerships highlight the importance of teamwork in fostering innovation and pushing the boundaries of what is possible in engineering.
Conclusion: Seiichiro Tsukui is a prominent figure in semiconductor innovation, with a proven track record of patenting advanced technologies that contribute to the industry's growth. His inventive spirit and dedication to excellence are evident in his work, which continues to shape the future of semiconductor devices and applications. As the technology landscape evolves, Tsukui's contributions will undoubtedly remain influential.