This inventor holds 2 USPTO granted patents. Top assignees: Fuji Electric Co., Ltd., Fuji Electric Corporate Research and Developement Ltd.. Active years: 1995-2005.
Company Filing History:
1 out of 4,826 
1 out of 41 
Years Active: 1995-2005
Title: Michio Ohsawa: Innovator in Magnetic Recording and Solar Cell Technology
Introduction
Michio Ohsawa is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the fields of magnetic recording media and solar cell technology. With a total of 2 patents, Ohsawa's work reflects his innovative approach to engineering and materials science.
Latest Patents
Ohsawa's latest patents include a magnetic recording medium with controlled lattice spacing and a method for manufacturing CuInSe₂ thin film solar cells. The magnetic recording medium patent describes a method of producing a recording medium without substrate heating during sputtering. This medium consists of a substrate, an underlayer of a nonmagnetic film with a bcc structure, an intermediate layer of a nonmagnetic film with an hcp structure, a magnetic layer of a magnetic film with an hcp structure, and a protective layer. The materials used in these layers have specific lattice spacings that enhance performance.
The second patent focuses on the manufacturing process of CuInSe₂ thin film solar cells. It emphasizes the use of photoluminescence analysis to estimate the quality of the solar cells during production. By measuring the emitted luminescence when irradiated with laser light, Ohsawa's method allows for the identification of non-defective products based on luminous intensity.
Career Highlights
Throughout his career, Michio Ohsawa has worked with prominent companies such as Fuji Electric Corporate Research and Development Ltd. and Fuji Electric Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced technologies.
Collaborations
Ohsawa has collaborated with various professionals in his field, including Akihiro Otsuki. These partnerships have facilitated the exchange of ideas and fostered innovation in their respective projects.
Conclusion
Michio Ohsawa's contributions to magnetic recording and solar cell technology highlight his role as a significant inventor in Japan. His innovative patents and career achievements reflect his dedication to advancing technology and improving product quality.