Location History:
- Tomakomai, JP (2000 - 2004)
- Yokohama, JP (2004)
Company Filing History:
1 out of 10,273 
1 out of 306 
2 out of 832,912 Years Active: 2000-2004
Title: Masayuki Yasuda: Innovator in Semiconductor and Casting Technologies
Introduction
Masayuki Yasuda is a prominent inventor based in Tomakomai, Japan. He has made significant contributions to the fields of semiconductor manufacturing and casting technologies. With a total of 3 patents to his name, Yasuda's work showcases his expertise and innovative spirit.
Latest Patents
Yasuda's latest patents include a manufacturing method for semiconductor IC devices. This method aims to provide high dimensional precision in creating fine-structure connecting holes or trenches. The process involves forming a hook-shaped hard mask made of polysilicon film on the surface of silica film. This mask is utilized as an etching mask during selective etching to create connecting holes that accommodate plugs for electrical connections in COB-type memory cells.
Another notable patent is the internal chill casting method for manufacturing a cast product containing a pipe. In this method, a controlling member is inserted through a mold's insertion hole and projected into a cavity. A pipe is arranged at a predetermined position within the cavity, and molten aluminum alloy is poured to enclose the pipe. This innovative approach allows for the creation of cast products, such as brake calipers, with an inner hydraulic circuit.
Career Highlights
Throughout his career, Yasuda has worked with notable companies, including Sumitomo Electric Industries, Limited. His experience in these organizations has contributed to his development as an inventor and innovator in his field.
Collaborations
Yasuda has collaborated with esteemed colleagues, including Yoshiki Matsuzaki and Masahide Hamada. These partnerships have likely fostered a creative environment that has led to the advancement of their respective technologies.
Conclusion
Masayuki Yasuda's contributions to semiconductor manufacturing and casting technologies highlight his innovative capabilities. His patents reflect a commitment to advancing these fields and demonstrate the impact of his work on modern technology.