Location History:
- Tokyo, JP (2003)
- Kawasaki, JP (2007 - 2011)
- Kanagawa, JP (2008 - 2013)
Company Filing History:
6 out of 2,467 
6 out of 35,734 
3 out of 7,529 
Years Active: 2003-2013
Title: Naoyoshi Kawahara: Innovator in Semiconductor Technology
Introduction
Naoyoshi Kawahara is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 10 patents. His work focuses on innovative methods and designs that enhance the performance and reliability of semiconductor devices.
Latest Patents
Kawahara's latest patents include a method, design apparatus, and design program for semiconductor devices. This design method involves setting an inspection region of layout data generated from circuit data. It calculates the area ratio of a first area to a second area, where the first area represents the inspection region and the second area is the sum of the surface area of a plane that a first member contacts with a second member. The second member, which constitutes a circuit element in the inspection region, has different heat reflective properties from the first member. Additionally, he arranges a dummy element in the layout data to ensure the area ratio remains within a predetermined range in each inspection region. Another notable patent describes a semiconductor device and method for manufacturing it, which includes a metal cap film on an electric fuse to reduce its breakability. This semiconductor device comprises interconnects, an electric fuse, and metal cap films, all composed of copper, with the interconnects and electric fuse provided in the same layer.
Career Highlights
Throughout his career, Kawahara has worked with notable companies such as NEC Electronics Corporation and NEC Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in semiconductor technology.
Collaborations
Kawahara has collaborated with esteemed colleagues, including Hiroaki Ohkubo and Yasutaka Nakashiba. These partnerships have contributed to the advancement of his research and the successful development of his patents.
Conclusion
Naoyoshi Kawahara's contributions to semiconductor technology through his innovative patents and collaborations highlight his role as a leading inventor in the field. His work continues to influence the development of advanced semiconductor devices, showcasing the importance of innovation in technology.