Tatsuo Ohgaki

Title: Innovations of Tatsuo Ohgaki in Optical Technology.

Introduction

Tatsuo Ohgaki is a prominent inventor based in Takatsuki, Japan. He has made significant contributions to the field of optical technology, holding a total of 6 patents. His work primarily focuses on optical pickup devices and systems for magneto-optical recording.

Latest Patents

One of his latest patents is an optical pickup device with substantially mutually orthogonal reflection. This integrated optical pickup device is designed for both magneto-optical recording media and optical recording media. It features a plurality of focusing grating couplers formed on an optical waveguide layer. The device efficiently guides light reflected from disks into the waveguide layer, allowing for the production of tracking error signals, focusing error signals, and information readout signals. The design enhances the utilization efficiency of reflection light, ensuring stable signal acquisition.

Another notable patent is the optical read/write head with a low angle beam splitter and coplanar configuration. This head is utilized in magnetic-optic recording and reproducing units. It incorporates a beam splitter that bends the optical path of the reflected beam, allowing for the separation of P and S polarized components. These components are detected by co-arranged light detecting elements, optimizing the reading and writing processes.

Career Highlights

Tatsuo Ohgaki is currently associated with Omron Corporation, where he continues to innovate in optical technologies. His work has been instrumental in advancing the capabilities of optical devices, particularly in the realm of data storage and retrieval.

Collaborations

Throughout his career, Tatsuo has collaborated with notable colleagues such as Hayami Hosokawa and Hironobu Kiyomoto. These collaborations have contributed to the development of cutting-edge optical technologies.

Conclusion

Tatsuo Ohgaki's contributions to optical technology through his patents and innovations have significantly impacted the field. His work continues to influence advancements in optical devices, showcasing the importance of innovation in technology.