Company Filing History:
15 out of 42,485 
7 out of 182 
1 out of 87 
Years Active: 1986-2007
Title: Innovations and Contributions of Hidetsugu Ogishi in Semiconductor Technology
Introduction: Hidetsugu Ogishi, a prominent inventor based in Hachioji, Japan, has made significant strides in the field of semiconductor technology, holding 20 patents to his name. His innovative approaches have advanced the fabrication processes for integrated circuit devices, particularly in the development of low-resistance materials for improved device performance.
Latest Patents: Among his latest innovations is a fabrication method for semiconductor integrated circuit devices featuring a low-resistance Co silicide layer that minimizes leakage currents. This method involves optimizing film forming and annealing conditions to create a Co silicide layer over the source and drain regions of a MISFET (Metal-Insulator-Semiconductor Field-Effect Transistor). Specifically, Ogishi's process entails depositing the Co film at temperatures of 200°C or less, followed by a three-stage heat treatment to transform the layer from dicobalt silicide (CoSi) to cobalt monosilicide (CoSi) and finally to cobalt disilicide (CoSi).
Another significant patent involves a complete semiconductor integrated circuit device fabrication process that includes stepwise creation of masks for etching and incorporating insulating films. This process enhances the formation of MISFETs on substrates and ensures proper isolation of active and inactive regions, showcasing Ogishi's adeptness in semiconductor technology.
Career Highlights: Throughout his career, Ogishi has contributed to reputable companies such as Hitachi, Ltd. and Hitachi VLSI Engineering Corporation. His tenure at these organizations provided him with a platform to hone his expertise in semiconductor devices and their fabrication methods.
Collaborations: Ogishi's innovative endeavors were often supported by collaborations with skilled coworkers, including Isamu Asano and Mitsuaki Horiuchi. Their teamwork contributed to advancing the technologies that are essential in the competitive semiconductor industry.
Conclusion: Hidetsugu Ogishi stands out as an influential figure in semiconductor innovation. His numerous patents demonstrate a commitment to improving electrical device performance and fabrication techniques. As technology evolves, Ogishi’s contributions continue to have a lasting impact on the industry, fostering advancements that shape the future of electronic devices.
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.