Company Filing History:
5 out of 20 
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1 out of 173 Years Active: 1994-2001
Title: **Innovations of Shigeharu Matsumoto in Thin Film Technology**
Introduction
Shigeharu Matsumoto, a notable inventor based in Tokyo, Japan, has made significant contributions to the field of thin film technology. With a portfolio of eight patents, Matsumoto has focused on developing methods and apparatuses that enhance the formation of composite metal compounds, reflecting his dedication to innovation in materials science.
Latest Patents
Matsumoto’s latest patents include a groundbreaking **Method for forming a thin film of a composite metal compound and apparatus for carrying out the method**. This invention discloses a unique method and apparatus for creating ultra-thin films of composite metal compounds on substrates. The process involves sputtering different metals to create a film, which is then irradiated with activated species of a reactive gas. This reaction converts the film into a composite metal compound, allowing for sequential layering to achieve desired thickness. The accompanying apparatus includes essential components, such as a vacuum chamber and plasma CVD apparatus, working in tandem to produce a thin film with specific refractive index properties.
Career Highlights
Throughout his career, Shigeharu Matsumoto has worked with prestigious companies like Shincron Co., Ltd. and NEC Corporation. His experiences in these organizations have prominently shaped his research and inventions in thin film technology, illustrating his commitment to advancing industrial applications of his findings.
Collaborations
In his innovative journey, Matsumoto has collaborated with esteemed colleagues such as Kazuo Kikuchi and Masafumi Yamasaki. These partnerships have likely contributed to the refinement and development of his patent applications, embodying the essence of teamwork in research and innovation.
Conclusion
Shigeharu Matsumoto stands out as a pioneering inventor in the realm of thin film technology. His patents and career achievements reflect a profound understanding of materials science and its industrial applications. As he continues to innovate, Matsumoto’s work promises to leave a lasting impact on the field.