Location History:
- Toyota, JP (1999)
- Aichi-gun, JP (2009)
Company Filing History:
2 out of 36,713 
1 out of 19,748 
Years Active: 1999-2009
Title: Tomomasa Yoshida: Innovator in Semiconductor and Suspension Technologies
Introduction
Tomomasa Yoshida is a notable inventor based in Aichi-gun, Japan. He has made significant contributions to the fields of semiconductor manufacturing and vehicle suspension systems. With a total of 2 patents, his work reflects a commitment to innovation and technological advancement.
Latest Patents
One of Yoshida's latest patents is a method for manufacturing a semiconductor device that includes a solder layer. This method involves several steps, including grinding and etching the mounting surface of a semiconductor chip, forming an electrode, and assembling the chip with the solder layer and a base. The process culminates in heating these components to a temperature that allows the solder layer to reflow, effectively soldering the chip onto the base.
Another significant patent is for a vehicle height adjusting suspension that incorporates a differential pressure valve. This invention allows for the efficient discharge of oil from an actuator when lowering a vehicle's height. The design ensures that the actuator pressure is higher than the pump pressure, enabling the differential pressure valve to open the return conduit and facilitate the flow of oil back to the reserve tank with minimal resistance.
Career Highlights
Throughout his career, Tomomasa Yoshida has worked with prominent companies such as Toyota Motor Corporation and Denso Corporation. His experience in these leading automotive firms has undoubtedly influenced his innovative approach to engineering and design.
Collaborations
Yoshida has collaborated with notable colleagues, including Kenji Harada and Hirohiko Morikawa. These partnerships have likely contributed to the development of his patents and the advancement of technology in their respective fields.
Conclusion
Tomomasa Yoshida's contributions to semiconductor manufacturing and vehicle suspension technology highlight his role as an influential inventor. His patents demonstrate a blend of creativity and technical expertise that continues to impact the industry.