Company Filing History:
1 out of 58,131 
1 out of 832,880 Years Active: 2000-2004
Title: **Eiji Isomura: Innovator in Polysilicon Evaluation Technologies**
Introduction
Eiji Isomura, an accomplished inventor based in Kanagawa, Japan, has made significant contributions to the field of semiconductor technology. With two patents to his name, Isomura's innovations focus on advancing the evaluation processes of polysilicon films, which are critical in various applications within the semiconductor industry.
Latest Patents
Isomura's latest patents include the "Apparatus for Evaluating Polysilicon Film." This innovative apparatus enables objective and automatic evaluation of polysilicon films in a highly accurate, contact-free manner. It features a stage to hold a substrate carrying a polysilicon film, equipped with an optical system that uses visible light to capture surface images for auto-focusing. Additionally, an optical system utilizing UV light acquires surface images of the polysilicon film, allowing for assessments of its linearity and periodicity through an evaluating unit. This comprehensive evaluation process significantly enhances the analysis of polysilicon film quality.
Another noteworthy patent is the "Visual Examination Apparatus and Visual Examination Method of a Semiconductor Device." This apparatus is designed for optically reading images of semiconductor devices with a substantially rectangular package, streamlining the inspection process in semiconductor manufacturing.
Career Highlights
Eiji Isomura has held positions at notable companies, including Sony Corporation, where he applied his expertise in semiconductor technology and contributed to advancements in product development and innovation. His experience in these prestigious organizations has bolstered his reputation as a leading inventor in the industry.
Collaborations
Throughout his career, Isomura has collaborated with talented professionals, including Hiroshi Tomiya and Hiroyuki Wada. These partnerships have fostered an environment of creativity and innovation, leading to notable advancements in semiconductor evaluation methods.
Conclusion
Eiji Isomura's contributions to the field of semiconductor technology exemplify the spirit of innovation. His patents on polysilicon film evaluation and visual examination methods underline the importance of accuracy and efficiency in semiconductor manufacturing. As he continues to push the boundaries of technology, Isomura remains a pivotal figure in the world of invention and innovation.