Company Filing History:
1 out of 42,485 
1 out of 336 
3 out of 832,680 Years Active: 2001-2005
Title: Manabu Ishimatsu: Innovator in Semiconductor Technology
Introduction
Manabu Ishimatsu is a prominent inventor based in Fukuoka, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of four patents. His innovative work has advanced the design and functionality of semiconductor devices.
Latest Patents
Ishimatsu's latest patents include a semiconductor integrated circuit device and a semiconductor memory. The semiconductor integrated circuit device features a design that incorporates both regular and redundant circuits. It includes a plurality of relievable first wiring lines and irrelievable second wiring lines arranged in the same wiring layer and direction as the regular circuits. This innovative arrangement enhances the reliability of the device. The semiconductor memory patent describes a 64 M-bits or 256 M-bits DRAM that utilizes a hierarchical word line structure or a multi-division bit line structure. This design allows for improved yield of memory cells and direct peripheral circuits while maintaining the continuity of layout units.
Career Highlights
Throughout his career, Ishimatsu has worked with notable companies, including Hitachi, Ltd. His experience in the semiconductor industry has positioned him as a key figure in the development of advanced technologies.
Collaborations
Ishimatsu has collaborated with esteemed colleagues such as Goro Kitsukawa and Toshitsugu Ueda. These partnerships have contributed to the success of his innovative projects and patents.
Conclusion
Manabu Ishimatsu's contributions to semiconductor technology through his patents and collaborations highlight his role as a leading inventor in the field. His work continues to influence advancements in semiconductor devices and memory systems.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.