Location History:
- Hachioji, JP (1981 - 1987)
- Kanagawa, JP (1985 - 1994)
- Tsukui, JP (1995 - 2007)
- Sagamiko, JP (2003 - 2009)
- Tokyo, JP (2010)
Company Filing History:
22 out of 42,508 
10 out of 3,781 
1 out of 182 
Years Active: 1981-2010
Title: The Innovative Journey of Yoshinori Imamura: Semiconductor Pioneer
Introduction: Yoshinori Imamura, based in Sagamiko, Japan, is a prolific inventor with an impressive portfolio of 32 patents. His work primarily focuses on the development and manufacturing of advanced semiconductor devices. Imamura's contributions to the field have had a significant impact on the technology landscape, making him a notable figure among inventors in the semiconductor industry.
Latest Patents: Imamura’s latest patents include innovative designs for semiconductor devices that enhance performance and efficiency. One of his prominent patents describes a semiconductor device and manufacturing method that utilizes a GaAs substrate as a semi-insulating substrate. In this technology, a heterojunction bipolar transistor (HBT) is formed within the element formation region, while an isolation region is created in an insulating area by introducing helium into the semiconductor layers of the sub-collector and collector of the HBT. Additionally, he developed a method to couple a conductive layer to a back surface electrode, ensuring a GND potential is reliably supplied.
Another significant patent involves a semiconductor device with external wiring for GND, where multiple via holes penetrate the wiring substrate. This design allows for the efficient mounting of semiconductor chips, including high power consumption HBTs. His work addresses heat dissipation issues by stacking a second semiconductor chip with lower heat dissipation characteristics on top of the first, demonstrating his innovative approach to enhancing semiconductor technology.
Career Highlights: Throughout his career, Yoshinori Imamura has made substantial contributions while working for leading companies in the technology sector. He has held positions at Hitachi, Ltd. and Renesas Technology Corporation, where he contributed his expertise to semiconductor innovations.
Collaborations: Imamura has collaborated with other esteemed professionals in the field, notably Eiichi Maruyama and Sachio Ishioka. These collaborations have enabled him to expand his research and drive forward advancements in semiconductor technology.
Conclusion: Yoshinori Imamura’s innovative work in semiconductor devices and methodologies has earned him recognition as an influential inventor in the industry. With 32 patents to his name, his advancements not only benefit the companies he has worked with but also pave the way for future innovations in semiconductor technology, showcasing his significant role in shaping this vital sector.