Location History:
- Kadoma, JA (1976)
- Osaka, JP (1984)
- Hirakata, JP (1980 - 1997)
Company Filing History:
Years Active: 1976-1997
Title: Innovations by Haruyasu Yamada: A Pioneer in Integrated Circuits
Introduction
Haruyasu Yamada is a prominent inventor based in Hirakata, Japan, renowned for his contributions to the field of semiconductor technology. With a remarkable portfolio of 20 patents, Yamada has significantly influenced the development and reliability of integrated circuits. His inventions reflect a deep understanding of electronic components and innovative methodologies in analog-to-digital conversion.
Latest Patents
One of Yamada's latest patents focuses on a **semiconductor integrated circuit** designed to enhance the reliability and manufacturing yields of IILs and high-frequency npn bipolar transistors. This integrated circuit comprises various circuit elements—such as resistors, capacitors, and diodes—all incorporating deep p⁻-type regions that are formed concurrently with a specific p⁻-type region in the IIL. These advancements ensure not only improved circuit element characteristics but also heightened manufacturing consistency.
Another groundbreaking invention by Yamada is an **analog-to-digital conversion method and device** utilizing a triangular vertex solution. This innovative method involves defining boundary values for the analog quantity and calculating physical quantities based on differences scaled by coefficients. By comparing these physical quantities with a comparator circuit, the device successfully converts analog signals into digital values, showcasing Yamada's prowess in refining conversion technology.
Career Highlights
Yamada is currently affiliated with Matsushita Electric Industrial Co., Ltd., where he collaborates with leading experts in the field. His extensive research and development work have established him as a key figure in advancing semiconductor technologies, which are vital for modern electronic applications.
Collaborations
Throughout his career, Yamada has worked closely with notable colleagues such as Toyoki Takemoto and Akira Matsuzawa. Together, they form a dynamic team that shares a commitment to innovation and excellence in the realm of semiconductor engineering. Their collective expertise enhances collaboration within Matsushita Electric and contributes to pioneering advancements in the industry.
Conclusion
Haruyasu Yamada's impressive body of work and patents underline his status as a leading innovator in the semiconductor field. His inventions not only contribute to technological progress but also pave the way for future advancements in integrated circuits and analog-to-digital conversion methodologies. As the industry continues to evolve, Yamada's contributions will undoubtedly remain a cornerstone of electronic innovation.
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.