Company Filing History:
2 out of 7,529 
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1 out of 1 Years Active: 1997-2011
Title: Masaru Iizuka: Innovator in Display Control Technology
Introduction
Masaru Iizuka is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor integrated circuits, particularly in display control technology. With a total of 4 patents to his name, Iizuka's work has had a lasting impact on the industry.
Latest Patents
Iizuka's latest patents include a display control semiconductor integrated circuit and a semiconductor integrated circuit device for display controllers. The display control semiconductor integrated circuit features a RAM capable of repairing defective bits, thereby improving yield without significantly increasing the occupation area. This innovation includes a liquid crystal controller/driver that adjusts the storage capacity of the built-in RAM based on the size of the display screen. It also incorporates a fuse circuit for setting defect addresses and a comparing circuit for matching these addresses with input addresses.
The semiconductor integrated circuit device for display controllers focuses on repairing defective bits in memory. It includes a display memory for storing display data and a repair circuit that replaces defective areas with spare storage. A selector circuit allows for the selective replacement of output data from the regular storage area with data from the spare area, effectively repairing defective bits.
Career Highlights
Throughout his career, Masaru Iizuka has worked with notable companies such as Renesas Electronics Corporation and Nippon Yakin Kogyo Co., Ltd. His experience in these organizations has contributed to his expertise in semiconductor technology and innovation.
Collaborations
Iizuka has collaborated with esteemed colleagues, including Yoshikazu Koshiba and Yasuhide Kuroda. These partnerships have further enriched his work and expanded the scope of his inventions.
Conclusion
Masaru Iizuka's contributions to display control technology through his innovative patents demonstrate his significant role in the field of semiconductor integrated circuits. His work continues to influence advancements in display technology and memory repair solutions.