Location History:
- Hitachi, JP (1981 - 1993)
- Takahagi, JP (1993 - 1997)
Company Filing History:
10 out of 1,641 
3 out of 42,485 
Years Active: 1981-1997
Title: **Mitsuo Yamazaki: A Pioneer in Electrically Conductive Bonding Films**
Introduction
Mitsuo Yamazaki, an accomplished inventor based in Takahagi, Japan, has made significant contributions to the field of material science through his innovative patents. With a strong portfolio of 10 patents, Yamazaki has focused primarily on the development of electrically conductive bonding films, which play a critical role in the integration of integrated circuits (IC) and large-scale integrations (LSI) with lead frames.
Latest Patents
One of Yamazaki's prominent inventions is an electrically conductive bonding film designed for efficient bonding of ICs and LSIs with lead frames. The film design incorporates a polyimide resin that is synthesized from a tetracarboxylic dianhydride component, ensuring that at least 70 mole% of this component adheres to a specific structural formula. This resin is further enhanced with an electrically conductive filler to improve its performance. Additionally, the bonding film can optionally include a thermosetting resin or an imide compound featuring at least two thermally-crosslinking imido groups per molecule. This innovative approach not only improves the bonding process but also increases the longevity and reliability of electronic devices.
Career Highlights
Yamazaki has been associated with notable companies, including Hitachi Chemical Company, Ltd. and Hitachi, Ltd., where he leveraged his expertise to pioneer advancements in bonding materials. His work exemplifies the blend of theoretical knowledge and practical application in the realm of electronic manufacturing.
Collaborations
Throughout his career, Yamazaki has collaborated with other prominent figures in the industry, including Nobuo Ichimura and Masaaki Okunaka. These collaborations have contributed significantly to the refinement and success of his inventive endeavors, showcasing the importance of teamwork in driving innovation.
Conclusion
Mitsuo Yamazaki stands out as a leading inventor in the creation of electrically conductive bonding films, demonstrating the impact of innovative materials in the electronics industry. As technology continues to evolve, the contributions of inventors like Yamazaki will pave the way for future advancements, solidifying their place in the annals of technological history.
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.