Location History:
- Tokyo, JP (2012 - 2016)
- Akita, JP (2008 - 2023)
Company Filing History:
6 out of 38,002 
5 out of 1,458 
2 out of 377 Years Active: 2008-2023
Title: The Innovative Mind of Keiyo Kusanagi
Introduction
Keiyo Kusanagi, a prominent inventor based in Akita, Japan, has made significant contributions to the field of semiconductor technology. With an impressive portfolio of 13 patents, Kusanagi's work reflects his ability to innovate and advance the current technological landscape.
Latest Patents
Among his latest inventions, Kusanagi developed a "Shielded fan-out packaged semiconductor device and method of manufacturing." This technology focuses on advancing fan-out packaged semiconductor devices by incorporating an integrated shield, which may include a conductive wall and cap over a redistribution structure. The shield is designed to either surround or partially enclose circuits situated on the redistribution structure, with the possibility of encapsulation covering circuits and caps.
Another notable patent is for "Stacked semiconductor die assemblies with die substrate extensions," which outlines a novel semiconductor die assembly setup. This invention includes a package substrate and two stacked dies, wherein at least one die features a substrate extension composed of a mold material that defines the assembly's planform, further enhancing versatility and performance in semiconductor designs.
Career Highlights
Kusanagi's career encompasses significant roles at leading technology companies, including Micron Technology Incorporated and Elpida Memory, Inc. His expertise in semiconductor manufacturing and design has positioned him as a valuable asset in the industry, earning respect for both his technical skills and innovative thinking.
Collaborations
Throughout his career, Kusanagi has had the opportunity to work alongside notable colleagues such as Fumitomo Watanabe and Mitsuhisa Watanabe. These collaborations have fostered an environment of innovation, leading to the development of cutting-edge technological solutions.
Conclusion
Keiyo Kusanagi's work exemplifies the spirit of innovation crucial to the advancement of semiconductor technology. With a solid foundation in both theory and application, Kusanagi continues to make significant strides in the field, reinforcing the importance of intellectual creativity and collaboration in driving future technological breakthroughs.