Hideki Osawa

Title: Innovations by Inventor Hideki Osawa

Introduction

Hideki Osawa is a notable inventor based in Fukaya, Japan. He has made significant contributions to the field of optical disk technology. With a total of 3 patents to his name, Osawa's work focuses on enhancing the performance and efficiency of optical disk recording and reproducing devices.

Latest Patents

One of his latest patents is a method of controlling the focus of optical disk recording and reproducing devices. This invention involves measuring the thickness of a spacer section between the first and second recording layers of an optical disk. Based on this measurement, an amount of defocus is set, allowing for precise focus servo operations to ensure optimal laser light irradiation on the second recording layer.

Another significant patent is related to tilt control for optical disc recording and playback apparatus. In this invention, a DC voltage value is obtained from various positions on a disc. This data is used to establish a relationship between the positions and the DC voltage values, which is then stored in a memory circuit. During recording or playback, this information is utilized to adjust the tilt of the optical pickup, enhancing the overall performance of the device.

Career Highlights

Hideki Osawa is currently employed at Sanyo Electric Co., Ltd., where he continues to innovate in the field of optical technology. His work has been instrumental in advancing the capabilities of optical disk devices, making them more efficient and reliable.

Collaborations

Osawa has collaborated with notable colleagues such as Tsuyoshi Yamamoto and Koji Tsukagoshi. Their combined expertise has contributed to the successful development of various technologies in the optical disk sector.

Conclusion

In summary, Hideki Osawa is a prominent inventor whose work in optical disk technology has led to several important patents. His innovations continue to impact the industry positively, showcasing his dedication to advancing technology.