Location History:
- Kamiayshi, JP (2000)
- Sendai, JP (1998 - 2001)
- Tokyo, JP (1999 - 2013)
Company Filing History:
16 out of 2,253 
2 out of 986 
Years Active: 1998-2013
Title: Kazuyuki Maruo: Innovator in Semiconductor Technology
Introduction
Kazuyuki Maruo is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 16 patents. His innovative work has paved the way for advancements in integrated circuits and residue number systems.
Latest Patents
One of Maruo's latest patents is a semiconductor integrated circuit switch matrix. This invention provides a compact semiconductor integrated circuit with a small circuit area and short wiring length. The design features a multi-layer structure, including a first semiconductor layer with a transistor, a wiring layer with metal wires, and a second semiconductor layer with another transistor. Notably, the gate insulating films of both transistors are designed to have similar insulation properties, achieved through radical oxidation or nitridation techniques.
Another significant patent is related to a residue number system arithmetic operating system. This invention includes a scaling operator that calculates a quotient in a first residue format. It utilizes a subtracter to output inter-moduli values of difference and a quotient outputting section to provide a set of residues for the quotient based on these values. This innovative approach enhances the efficiency of calculations within residue number systems.
Career Highlights
Kazuyuki Maruo has worked with notable organizations, including Advantest Corporation and Tohoku University. His experience in these institutions has contributed to his expertise in semiconductor technology and research.
Collaborations
Maruo has collaborated with esteemed colleagues such as Takahiro Yamaguchi and Tadahiro Ohmi. Their joint efforts have further advanced the field of semiconductor innovations.
Conclusion
Kazuyuki Maruo's contributions to semiconductor technology and his impressive portfolio of patents highlight his role as a leading inventor in the industry. His work continues to influence advancements in integrated circuits and arithmetic systems.