Takahagi, Japan

Mitsuo Yamazaki

This inventor holds 10 USPTO granted patents. Top assignees: Hitachi Chemical Company, Ltd., Hitachi, Ltd.. Active years: 1981-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mitsuo Yamazaki. Retrieved from https://idiyas.com/inventor/mitsuo-yamazaki-hrdllsse

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 4.4

ph-index = 7

Forward Citations = 146(Granted Patents)


Location History:

  • Hitachi, JP (1981 - 1993)
  • Takahagi, JP (1993 - 1997)

Company Filing History:


Years Active: 1981-1997

Loading Chart...
10 patents (USPTO):Explore Patents

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.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…