Location History:
- Tokyo, JP (2007)
- Kawasaki, JP (2006 - 2012)
- Kanagawa, JP (2007 - 2013)
Company Filing History:
10 out of 2,467 
4 out of 7,529 
Years Active: 2006-2013
Title: The Innovations of Takekazu Tanaka: A Pioneer in Semiconductor Technology
Introduction: Takekazu Tanaka, an esteemed inventor based in Kanagawa, Japan, has significantly contributed to the field of semiconductor technology. With a remarkable portfolio of 14 patents, his innovations reflect a profound understanding of materials and their applications in modern electronics.
Latest Patents: Among Tanaka's latest patents is a groundbreaking semiconductor device that features an electrode pad on a semiconductor chip. This electrode pad consists of aluminum (Al) ranging from 50% to 99.9% by weight, enhanced with copper (Cu). A coupling ball primarily composed of copper is attached to the electrode pad, creating a structure where CuAl layers are vertically arranged. The encapsulating resin used in the device contains a halogen level of less than or equal to 1000 ppm, ensuring protection and durability for the electronic assembly.
Another notable patent describes a semiconductor device that includes a coupling ball with layers of aluminum and copper alloys. In this design, the electrode pad is predominantly aluminum, with copper incorporated as a secondary material. This invention employs multiple layers of Cu and Al alloys where the dimensional area of these layers is at least 50% of the area at the junction of the electrode pad and the coupling ball. The encapsulating resin maintains the same halogen specifications, highlighting the inventor's commitment to consistent quality and safety in semiconductor production.
Career Highlights: Takekazu Tanaka has had an illustrious career, working with a number of notable companies in the electronics sector. He has made significant contributions at NEC Electronics Corporation and Renesas Electronics Corporation, where his expertise in semiconductor technology has been fundamental to the development of innovative products. His patents illustrate an evolved understanding of the intricacies of semiconductor devices, making him a respected figure in his field.
Collaborations: Throughout his career, Tanaka has collaborated with esteemed colleagues, including Kouhei Takahashi and Seiji Okabe. Their joint efforts have fostered an environment of innovation and creativity, leading to the fruition of groundbreaking semiconductor technologies. Such teamwork underscores the importance of collaboration in the evolving landscape of electronics.
Conclusion: Takekazu Tanaka stands out as a pioneering inventor in the realm of semiconductor technology. His 14 patents reflect his innovative spirit and dedication to improving electronic devices' performance and reliability. As technology continues to advance, Tanaka's contributions will undoubtedly leave a lasting impact on the industry and inspire future generations of inventors.