Location History:
- Tokyo, JP (2004 - 2008)
- Hitachinaka, JP (2002 - 2015)
Company Filing History:
13 out of 42,485 
3 out of 2,874 
2 out of 832,680 Years Active: 2002-2015
Title: Seiji Isogai: Innovator in Semiconductor Defect Processing
Introduction
Seiji Isogai is a prominent inventor based in Hitachinaka, Japan. He has made significant contributions to the field of semiconductor technology, particularly in defect image processing. With a total of 18 patents to his name, Isogai's work has advanced the methods used to identify and classify defects in semiconductor manufacturing.
Latest Patents
Among his latest patents are several innovative technologies, including a defect image processing apparatus and method, as well as a semiconductor defect classifying apparatus and method. The defect image processing apparatus utilizes normalized cross-correlation to image-match a layout image acquired from design data with an image obtained by removing defect area portions from a defect image. This technology allows for the simultaneous display of both the layout image and the defect image, facilitating easier analysis of systematic defects that may arise due to positional relationships with other layers. Additionally, his method for classifying defects involves calculating feature quantities of defect images, classifying them into categories, and displaying them accordingly on a screen, enhancing the efficiency of defect analysis.
Career Highlights
Seiji Isogai has had a distinguished career, working with notable companies such as Hitachi, Ltd. and Hitachi High-Technologies Corporation. His experience in these organizations has allowed him to develop and refine his innovative approaches to semiconductor defect processing.
Collaborations
Throughout his career, Isogai has collaborated with esteemed colleagues, including Yuji Takagi and Yasuhiko Ozawa. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Seiji Isogai's contributions to semiconductor technology through his innovative patents and collaborative efforts have made a lasting impact on the industry. His work continues to influence the methods used in defect analysis and classification, showcasing the importance of innovation in technology.
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.