Location History:
- Takarazuka, JP (1987)
- Itami, JP (1981 - 1988)
- Hyogo, JP (1987 - 1996)
Company Filing History:
25 out of 21,351 
1 out of 3 Years Active: 1981-1996
Title: Michihiro Yamada: Innovator in Semiconductor Technology
Introduction: Michihiro Yamada, based in Hyogo, Japan, is a prolific inventor with 26 patents to his name. His expertise lies in the realm of semiconductor technology, particularly focusing on memory devices and data transfer methodologies. Yamada's innovations have significantly impacted the efficiency and reliability of semiconductor memory systems.
Latest Patents: Among his notable recent patents is a semiconductor memory device and method of data transfer. This invention features sense amplifiers that are divided into groups to be independently driven. This design minimizes the influence of sense amplifiers from different groups, ultimately preventing data destruction in non-selected memory cells during data transfers. Furthermore, Yamada's patent emphasizes that the sense amplifier remains inactive until the selected memory cell information is entirely read to the corresponding bit lines. This approach further protects data integrity during read operations. Additionally, he has patented a semiconductor memory device that includes multiple memory arrays featuring column repairing circuits designed to fix defective memory cells, ensuring continuous operation and performance stability.
Career Highlights: Michihiro Yamada has held positions in reputable companies such as Mitsubishi Electric Corporation and Mitsubishi Denki Kabushiki Kaisha. His work in these organizations has focused on advancing semiconductor technologies, particularly in the design and implementation of memory devices.
Collaborations: Throughout his career, Yamada has collaborated with esteemed colleagues, including Hiroshi Miyamoto and Shigeru Mori. Their collective efforts have contributed to the development of innovative solutions within the semiconductor industry, expanding the frontiers of technology.
Conclusion: Michihiro Yamada is a leading figure in semiconductor innovation, with a solid portfolio of patents that address critical challenges in memory technology. His contributions not only enhance the operational efficiency of semiconductor devices but also ensure data integrity, positioning him as a key player in the ongoing evolution of this essential field.