This inventor holds 4 USPTO granted patents. Top assignee: Canon Kabushiki Kaisha. Active years: 2011-2019.
Company Filing History:
Years Active: 2011-2019
Title: Sunao Ichihara: Innovator in Magnetic Sensing Technology
Introduction
Sunao Ichihara is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of magnetic sensing technology, holding a total of 4 patents. His work focuses on optically pumped atomic magnetometers, which have applications in various scientific and industrial fields.
Latest Patents
Ichihara's latest patents include an optically pumped atomic magnetometer and a magnetic sensing method. The optically pumped atomic magnetometer is designed to separate and acquire magnetic information from spatially different locations simultaneously using a single probe beam. This innovative device features a cell containing alkali metal atoms, a pump beam optical system that introduces circularly polarized light to different locations, and a detection unit that measures the rotation angle of the probe beam's polarization. Additionally, the magnetometer includes a modulation unit that varies the frequencies and phases of the pump beams to enhance its functionality.
Another notable patent is the optically pumped magnetometer, which utilizes a pump light to spin-polarize a first alkali-metal atom group. This light enters a cell containing both the first and a second alkali-metal atom group, allowing for interaction via spin exchange. A probe light with a different wavelength measures the spin polarization of the second alkali-metal atom group, and a wavelength discrimination unit differentiates between the pump and probe lights. This design increases the flexibility of the device layout.
Career Highlights
Ichihara is currently employed at Canon Kabushiki Kaisha, a leading company in imaging and optical products. His work at Canon has allowed him to develop cutting-edge technologies that push the boundaries of magnetic sensing.
Collaborations
Throughout his career, Ichihara has collaborated with notable colleagues, including Tetsuo Kobayashi and Natsuhiko Mizutani. These collaborations have contributed to the advancement of innovative technologies in their respective fields.
Conclusion
Sunao Ichihara's contributions to magnetic sensing technology through his patents and work at Canon Kabushiki Kaisha highlight his role as a key innovator in the field. His inventions continue to influence advancements in scientific research and industrial applications.