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Years Active: 2007-2018
Title: Yasuhiko Shimotsuma: Innovator in Optical Recording and Nanotechnology
Introduction
Yasuhiko Shimotsuma is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the fields of optical recording and nanotechnology. With a total of 4 patents, his work has advanced the understanding and application of recording techniques and nanowire production.
Latest Patents
Shimotsuma's latest patents include an optical recording device, an optical recording method, and an information recording medium. His innovative recording technique utilizes an ultra-short pulse laser and a spatial phase modulator to form multiple light spots simultaneously. This method allows for the creation of recording dots with varying refractive indexes within a recording medium. By recording a series of dots at a predetermined pitch and subsequently filling in the gaps with additional dots, he addresses the challenge of balancing recording quality and density.
Another notable patent involves a method for producing nanometer-size wires. This technique simplifies the conventional processes of nanowire production, allowing for better control over the size and shape of the nanowires. By irradiating a suspension of powder particles containing a metal element with a femtosecond laser, Shimotsuma's method effectively divides these particles into nanowires. Furthermore, it enables the transformation of these nanowires into nanometer-size particles through additional laser irradiation.
Career Highlights
Throughout his career, Yasuhiko Shimotsuma has worked with notable companies, including Kyocera Corporation. His expertise in optical technologies and nanotechnology has positioned him as a leading figure in these fields.
Collaborations
Shimotsuma has collaborated with esteemed colleagues such as Kazuyuki Hirao and Jianrong Qiu. Their joint efforts have contributed to the advancement of innovative technologies and research.
Conclusion
Yasuhiko Shimotsuma's contributions to optical recording and nanotechnology highlight his role as a significant inventor. His innovative patents and collaborations continue to influence the fields of technology and engineering.