Location History:
- Tokyo, JP (1990 - 2009)
- Kanagawa, JP (2006 - 2010)
- Kawasaki, JP (2009 - 2014)
Company Filing History:
14 out of 35,658 
13 out of 2,467 
1 out of 158 
Years Active: 1990-2014
Title: The Innovations of Kazuyoshi Ueno: A Pioneer in Semiconductor Manufacturing
Introduction: Kazuyoshi Ueno, based in Tokyo, Japan, is an accomplished inventor with a notable portfolio of 28 patents. His work has significantly impacted the field of semiconductor manufacturing, introducing innovative methods that enhance performance and reliability in electronic devices.
Latest Patents: Among his latest patents are methods revolving around ULSI (Ultra Large Scale Integration) wiring and semiconductor devices designed for improved stress migration resistance. The ULSI wiring patent describes a manufacturing process that enables the formation of wiring layers using a diffusion prevention layer and an insulating interlayer made from silicon dioxide (SiO). This process involves treating the SiO surface with a silane compound, catalyzing with a palladium solution, and forming the wiring layer through electroless plating. The innovative approach allows for better adhesion properties and simplifies the production process.
Furthermore, Ueno's patent on semiconductor devices focuses on enhancing stress migration resistance and reliability. This design includes a lower interconnection layer composed of a barrier metal film and a copper-silver alloy film, topped with an interlayer insulating film and an upper interconnection. The use of a copper-silver alloy with silver beyond the solid solution limit contributes to improved device performance.
Career Highlights: Kazuyoshi Ueno's impressive career includes significant tenures at NEC Corporation and NEC Electronics Corporation. His experience in these leading firms has allowed him to refine his inventions and contribute to the advancement of semiconductor technology.
Collaborations: Throughout his career, Ueno has collaborated with esteemed coworkers such as Toshiyuki Takewaki and Ryuji Tomita. Their collective efforts have furthered innovations in the industry, combining expertise and creativity to push the boundaries of semiconductor manufacturing.
Conclusion: Kazuyoshi Ueno's contributions to the technology landscape through his patents and innovations in semiconductor manufacturing have played a critical role in enhancing electronic device performance. His work is a testament to the impact of dedicated inventors in shaping the future of technology.
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.