This inventor holds 10 USPTO granted patents. Top assignees: Hitachi Chemical Company, Ltd., Hitachi Chemical Dupont Microsystems, Ltd.. Active years: 1993-2015.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
9 out of 1,641 
1 out of 27 Years Active: 1993-2015
Title: Innovative Contributions of Yasunori Kojima in Semiconductor Technology
Introduction
Yasunori Kojima, an accomplished inventor based in Hitachi, Japan, has made significant contributions to the field of semiconductor technology. With a portfolio of 10 patents, Kojima's innovations have advanced the reliability and efficiency of semiconductor devices, showcasing his expertise and commitment to innovation.
Latest Patents
Among his latest patents, Kojima developed a method for manufacturing semiconductor devices that features a heat-resistant resin film with a flip-chip connection structure. This method utilizes solder bumps or gold bumps and an epoxy resin compound laminated thereon. Notably, the method improves adhesiveness, especially after prolonged exposure to high-temperature and high-humidity environments, thus enhancing the overall reliability of semiconductor devices. Another notable innovation is a polyimide precursor with specific repeating units, which further underlines his influential work in material science and its applications in semiconductors.
Career Highlights
Kojima's career is marked by his work at notable companies, including Hitachi Chemical Company, Ltd. and Hitachi Chemical DuPont Microsystems, L.L.C. His roles in these organizations have allowed him to harness cutting-edge technologies and contribute to significant advancements in semiconductor manufacturing.
Collaborations
Throughout his career, Yasunori Kojima has collaborated with prominent colleagues, including Hideo Hagiwara and Makoto Kaji. Together, they have worked on pioneering projects that address complex challenges in the field, contributing to the development of innovative semiconductor technologies.
Conclusion
Yasunori Kojima stands out as a leading inventor in semiconductor technology. His patents not only reflect his inventive spirit but also highlight his dedication to enhancing the functionality and durability of semiconductor devices. As the technology continues to evolve, Kojima's contributions will undoubtedly play a crucial role in shaping the future of semiconductor manufacturing.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile